1f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc/* 2f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 3f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * Copyright 2005-2006, Devicescape Software, Inc. 4f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 5d98ad83ee86e523cc00cbf425f456fbd14b4fdc4Johannes Berg * Copyright 2013-2014 Intel Mobile Communications GmbH 6f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 7f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * This program is free software; you can redistribute it and/or modify 8f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * it under the terms of the GNU General Public License version 2 as 9f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * published by the Free Software Foundation. 10f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 11f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 12f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <net/mac80211.h> 13f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/module.h> 14f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/init.h> 15f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/netdevice.h> 16f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/types.h> 17f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/slab.h> 18f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/skbuff.h> 19f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/etherdevice.h> 20f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/if_arp.h> 21f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/rtnetlink.h> 22f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/bitmap.h> 23e8db0be1245de16a6cc6365506abc392c3c212d4Jean Pihet#include <linux/pm_qos.h> 24685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen#include <linux/inetdevice.h> 25881d966b48b035ab3f3aeaae0f3d3f9b584f45b2Eric W. Biederman#include <net/net_namespace.h> 26f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <net/cfg80211.h> 27a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#include <net/addrconf.h> 28f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 29f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include "ieee80211_i.h" 302448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg#include "driver-ops.h" 312c8dccc77420fb7433da5674818959d3499d35beJohannes Berg#include "rate.h" 32f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo#include "mesh.h" 33f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include "wep.h" 342c8dccc77420fb7433da5674818959d3499d35beJohannes Berg#include "led.h" 35e0eb68596232788bc352368f2fbc3cb088e42e41Michael Wu#include "cfg.h" 36e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc#include "debugfs.h" 37f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 380d143fe1e2efc084fa730d2dfa22d0d1ca2ee5f1Johannes Bergvoid ieee80211_configure_filter(struct ieee80211_local *local) 394150c57212ad134765dd78c654a4b9906252b66dJohannes Berg{ 403ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg u64 mc; 414150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int changed_flags; 424150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int new_flags = 0; 434150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 4453918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_promiscs)) 454150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_PROMISC_IN_BSS; 464150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 4753918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_allmultis)) 484150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_ALLMULTI; 494150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 508a690674e0601efbe9a7b16a5826fc522645cca3Ben Greear if (local->monitors || test_bit(SCAN_SW_SCANNING, &local->scanning) || 518a690674e0601efbe9a7b16a5826fc522645cca3Ben Greear test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) 528cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_BCN_PRBRESP_PROMISC; 538cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 547be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg if (local->fif_probe_req || local->probe_req_reg) 557be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg new_flags |= FIF_PROBE_REQ; 567be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg 578cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_fcsfail) 588cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_FCSFAIL; 598cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 608cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_plcpfail) 618cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_PLCPFAIL; 628cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 638cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_control) 648cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_CONTROL; 658cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 668cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_other_bss) 678cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_OTHER_BSS; 684150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 69e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov if (local->fif_pspoll) 70e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov new_flags |= FIF_PSPOLL; 71e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov 723ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_lock_bh(&local->filter_lock); 734150c57212ad134765dd78c654a4b9906252b66dJohannes Berg changed_flags = local->filter_flags ^ new_flags; 744150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 7522bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc = drv_prepare_multicast(local, &local->mc_list); 763ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_unlock_bh(&local->filter_lock); 773ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 784150c57212ad134765dd78c654a4b9906252b66dJohannes Berg /* be a bit nasty */ 794150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= (1<<31); 804150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 813ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg drv_configure_filter(local, changed_flags, &new_flags, mc); 824150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 834150c57212ad134765dd78c654a4b9906252b66dJohannes Berg WARN_ON(new_flags & (1<<31)); 844150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 854150c57212ad134765dd78c654a4b9906252b66dJohannes Berg local->filter_flags = new_flags & ~(1<<31); 864150c57212ad134765dd78c654a4b9906252b66dJohannes Berg} 874150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 883ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Bergstatic void ieee80211_reconfig_filter(struct work_struct *work) 893ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg{ 903ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg struct ieee80211_local *local = 913ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg container_of(work, struct ieee80211_local, reconfig_filter); 923ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 933ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg ieee80211_configure_filter(local); 943ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg} 953ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 9655de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Bergstatic u32 ieee80211_hw_conf_chan(struct ieee80211_local *local) 97b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg{ 981ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg struct ieee80211_sub_if_data *sdata; 99675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan struct cfg80211_chan_def chandef = {}; 10055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg u32 changed = 0; 101e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg int power; 102ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau u32 offchannel_flag; 103f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 104ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 105675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan 1067ca15a0ae865067aac8d36e27e0acbe4a8f1e70aSimon Wunderlich if (local->scan_chandef.chan) { 1077ca15a0ae865067aac8d36e27e0acbe4a8f1e70aSimon Wunderlich chandef = local->scan_chandef; 108b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear } else if (local->tmp_channel) { 109675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef.chan = local->tmp_channel; 110675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef.width = NL80211_CHAN_WIDTH_20_NOHT; 111675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef.center_freq1 = chandef.chan->center_freq; 112675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan } else 113675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef = local->_oper_chandef; 114675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan 115675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan WARN(!cfg80211_chandef_valid(&chandef), 116675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan "control:%d MHz width:%d center: %d/%d MHz", 117675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef.chan->center_freq, chandef.width, 118675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef.center_freq1, chandef.center_freq2); 119675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan 120675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (!cfg80211_chandef_identical(&chandef, &local->_oper_chandef)) 121b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; 122b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear else 123b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL; 124b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear 125ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 126f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 127675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (offchannel_flag || 128675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan !cfg80211_chandef_identical(&local->hw.conf.chandef, 129675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan &local->_oper_chandef)) { 130675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan local->hw.conf.chandef = chandef; 131e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_CHANNEL; 132e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 1338318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 1340f78231bffb868a30e8533aace142213266bb811Johannes Berg if (!conf_is_ht(&local->hw.conf)) { 1350f78231bffb868a30e8533aace142213266bb811Johannes Berg /* 1360f78231bffb868a30e8533aace142213266bb811Johannes Berg * mac80211.h documents that this is only valid 1370f78231bffb868a30e8533aace142213266bb811Johannes Berg * when the channel is set to an HT type, and 1380f78231bffb868a30e8533aace142213266bb811Johannes Berg * that otherwise STATIC is used. 1390f78231bffb868a30e8533aace142213266bb811Johannes Berg */ 1400f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC; 1410f78231bffb868a30e8533aace142213266bb811Johannes Berg } else if (local->hw.conf.smps_mode != local->smps_mode) { 1420f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = local->smps_mode; 1430f78231bffb868a30e8533aace142213266bb811Johannes Berg changed |= IEEE80211_CONF_CHANGE_SMPS; 1440f78231bffb868a30e8533aace142213266bb811Johannes Berg } 1450f78231bffb868a30e8533aace142213266bb811Johannes Berg 1460430c883470d0c9a23661ea9f02c56b1d91cf93cSimon Wunderlich power = ieee80211_chandef_max_power(&chandef); 147a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 1481ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg rcu_read_lock(); 1491ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg list_for_each_entry_rcu(sdata, &local->interfaces, list) { 1501ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg if (!rcu_access_pointer(sdata->vif.chanctx_conf)) 1511ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg continue; 152764152ff66f4a8be1f9d7981e542ffdaa5bd7affFelix Fietkau if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) 153764152ff66f4a8be1f9d7981e542ffdaa5bd7affFelix Fietkau continue; 1541ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg power = min(power, sdata->vif.bss_conf.txpower); 1551ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg } 1561ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg rcu_read_unlock(); 157a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 158e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (local->hw.conf.power_level != power) { 159e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_POWER; 160e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.power_level = power; 161e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 162b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg 16355de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg return changed; 16455de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg} 16555de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 16655de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Bergint ieee80211_hw_config(struct ieee80211_local *local, u32 changed) 16755de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg{ 16855de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg int ret = 0; 16955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 17055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg might_sleep(); 17155de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 17255de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (!local->use_chanctx) 17355de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg changed |= ieee80211_hw_conf_chan(local); 17455de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg else 17555de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg changed &= ~(IEEE80211_CONF_CHANGE_CHANNEL | 17655de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg IEEE80211_CONF_CHANGE_POWER); 17755de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 178e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (changed && local->open_count) { 1792448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg ret = drv_config(local, changed); 180d73782fdde76554016abf73b46f843b29f520848Johannes Berg /* 181447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Goal: 182d73782fdde76554016abf73b46f843b29f520848Johannes Berg * HW reconfiguration should never fail, the driver has told 183d73782fdde76554016abf73b46f843b29f520848Johannes Berg * us what it can support so it should live up to that promise. 184447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 185447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Current status: 186447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * rfkill is not integrated with mac80211 and a 187447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * configuration command can thus fail if hardware rfkill 188447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * is enabled 189447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 190447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * FIXME: integrate rfkill with mac80211 and then add this 191447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * WARN_ON() back 192447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 193d73782fdde76554016abf73b46f843b29f520848Johannes Berg */ 194447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre /* WARN_ON(ret); */ 195d73782fdde76554016abf73b46f843b29f520848Johannes Berg } 196f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 197b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg return ret; 198b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg} 199f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 200471b3efdfccc257591331724145f8ccf8b3217e1Johannes Bergvoid ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 201471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg u32 changed) 202d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 203471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg struct ieee80211_local *local = sdata->local; 204471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 205990baec022ccb97b6bb4185624f4fe7cd6150333Felix Fietkau if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN) 206471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg return; 207471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 20812375ef933fa8271396ed0c1e318cb1bd2e2689dJohannes Berg drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed); 209d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 210d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 211f698d856f65c3fea091cc303a135967965c5b880Jasper Bryant-Greeneu32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) 212d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 213bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_cts_prot = false; 214bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_preamble = false; 215bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_slot = false; 2167a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg return BSS_CHANGED_ERP_CTS_PROT | 2177a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_PREAMBLE | 2187a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_SLOT; 219d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 220d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 221f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void ieee80211_tasklet_handler(unsigned long data) 222f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 223f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = (struct ieee80211_local *) data; 224f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 225f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 226f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc while ((skb = skb_dequeue(&local->skb_queue)) || 227f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (skb = skb_dequeue(&local->skb_queue_unreliable))) { 228f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc switch (skb->pkt_type) { 229f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_RX_MSG: 23051fb61e76d952e6bc2fbdd9f0d38425fbab1cf31Johannes Berg /* Clear skb->pkt_type in order to not confuse kernel 231f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * netstack. */ 232f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 233005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_rx(&local->hw, skb); 234f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 235f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_TX_STATUS_MSG: 236f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 237005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_tx_status(&local->hw, skb); 238f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 239f4ea83dd743d3e1bec8fdf954ac911c6b12ae87aJohannes Berg default: 2405e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger WARN(1, "mac80211: Packet is of unknown type %d\n", 2415e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger skb->pkt_type); 242f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc dev_kfree_skb(skb); 243f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 244f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 245f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 246f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 247f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 248f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergstatic void ieee80211_restart_work(struct work_struct *work) 249f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 250f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = 251f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg container_of(work, struct ieee80211_local, restart_work); 252f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 253bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka /* wait for scan work complete */ 254bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka flush_workqueue(local->workqueue); 255bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 256d43c6b6e6f2fcaebf198c499716e5e24d878fdd2David Spinadel WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 257d43c6b6e6f2fcaebf198c499716e5e24d878fdd2David Spinadel "%s called with hardware scan in progress\n", __func__); 258bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 259f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 2604136c4224ccf1907d309e1cdfaefef9da97dbc5eStanislaw Gruszka ieee80211_scan_cancel(local); 261f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 262f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 263f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 264f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 265f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 266f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 267f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 268f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 269b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 270b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 271b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch wiphy_info(hw->wiphy, 272b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch "Hardware restart was requested\n"); 273b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch 27418145c69349f2ab60c470798f83b3a2639e2a8d9John W. Linville /* use this reason, ieee80211_reconfig will unblock it */ 275445ea4e83ec50668cc9ad7e5cf96d242f19165e8Johannes Berg ieee80211_stop_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP, 276cca07b00a56d6ddd339e457dfd1a229222b9acf5Luciano Coelho IEEE80211_QUEUE_STOP_REASON_SUSPEND, 277cca07b00a56d6ddd339e457dfd1a229222b9acf5Luciano Coelho false); 278f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 27904800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov /* 28004800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * Stop all Rx during the reconfig. We don't want state changes 28104800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * or driver callbacks while this is in progress. 28204800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov */ 28304800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov local->in_reconfig = true; 28404800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov barrier(); 28504800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov 286f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg schedule_work(&local->restart_work); 287f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 288f2753ddbadb0873a98421415882318251bbd9eaaJohannes BergEXPORT_SYMBOL(ieee80211_restart_hw); 289f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 29026b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 2912b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenstatic int ieee80211_ifa_changed(struct notifier_block *nb, 2922b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unsigned long data, void *arg) 2932b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 2942b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_ifaddr *ifa = arg; 2952b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_local *local = 2962b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen container_of(nb, struct ieee80211_local, 2972b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifa_notifier); 2982b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct net_device *ndev = ifa->ifa_dev->dev; 2992b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct wireless_dev *wdev = ndev->ieee80211_ptr; 300685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct in_device *idev; 3012b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_sub_if_data *sdata; 302685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct ieee80211_bss_conf *bss_conf; 3032b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_if_managed *ifmgd; 304685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen int c = 0; 3052b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3062b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* Make sure it's our interface that got changed */ 3072b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!wdev) 3082b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3092b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3102b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (wdev->wiphy != local->hw.wiphy) 3112b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3122b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3132b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 314685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf = &sdata->vif.bss_conf; 3152b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3162b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* ARP filtering is only supported in managed mode */ 3172b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (sdata->vif.type != NL80211_IFTYPE_STATION) 3182b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3192b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 32095ae6b228f814fc0528d0506ee9f18ac333d6851Eric Dumazet idev = __in_dev_get_rtnl(sdata->dev); 321685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (!idev) 322685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen return NOTIFY_DONE; 323685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 3242b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifmgd = &sdata->u.mgd; 3258d61ffa5e01c5f676431d12caba17db164a48a86Johannes Berg sdata_lock(sdata); 326685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 327685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Copy the addresses to the bss_conf list */ 328685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = idev->ifa_list; 3290f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg while (ifa) { 3300f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg if (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN) 3310f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg bss_conf->arp_addr_list[c] = ifa->ifa_address; 332685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = ifa->ifa_next; 333685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c++; 334685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 335685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 336685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_cnt = c; 337685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 33853d69c399abf3b382c1e737ff9402d31ca5a7a51Eliad Peller /* Configure driver only if associated (which also implies it is up) */ 3390f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg if (ifmgd->associated) 340685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ieee80211_bss_info_change_notify(sdata, 341685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen BSS_CHANGED_ARP_FILTER); 342685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 3438d61ffa5e01c5f676431d12caba17db164a48a86Johannes Berg sdata_unlock(sdata); 3442b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3458bd811aa6c407a8a4712d7142fb9909f1b2a5fa4Zhao, Gang return NOTIFY_OK; 3462b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 34726b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 3482b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 349a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 350a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Bergstatic int ieee80211_ifa6_changed(struct notifier_block *nb, 351a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unsigned long data, void *arg) 352a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg{ 353a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)arg; 354a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct inet6_dev *idev = ifa->idev; 355a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct net_device *ndev = ifa->idev->dev; 356a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct ieee80211_local *local = 357a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg container_of(nb, struct ieee80211_local, ifa6_notifier); 358a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct wireless_dev *wdev = ndev->ieee80211_ptr; 359a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct ieee80211_sub_if_data *sdata; 360a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 361a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg /* Make sure it's our interface that got changed */ 362a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg if (!wdev || wdev->wiphy != local->hw.wiphy) 363a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg return NOTIFY_DONE; 364a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 365a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 366a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 367a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg /* 368a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg * For now only support station mode. This is mostly because 369a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg * doing AP would have to handle AP_VLAN in some way ... 370a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg */ 371a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg if (sdata->vif.type != NL80211_IFTYPE_STATION) 372a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg return NOTIFY_DONE; 373a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 374a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg drv_ipv6_addr_change(local, sdata, idev); 375a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 3768bd811aa6c407a8a4712d7142fb9909f1b2a5fa4Zhao, Gang return NOTIFY_OK; 377a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg} 378a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 379a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 3802e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg/* There isn't a lot of sense in it, but you can transmit anything you like */ 3812e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergstatic const struct ieee80211_txrx_stypes 3822e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3832e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_ADHOC] = { 3842e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 3853bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3863bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins BIT(IEEE80211_STYPE_AUTH >> 4) | 38741e31b8b902397d5d507b275050fcbe8adaf4ff4Antonio Quartulli BIT(IEEE80211_STYPE_DEAUTH >> 4) | 38841e31b8b902397d5d507b275050fcbe8adaf4ff4Antonio Quartulli BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 3892e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 3902e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_STATION] = { 3912e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 3922e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3932e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 3942e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 3952e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP] = { 3962e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 3972e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 3982e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 3992e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4002e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4012e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4022e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4032e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4042e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4052e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP_VLAN] = { 4062e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg /* copy AP */ 4072e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4082e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4092e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4102e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4112e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4122e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4132e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4142ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4152ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4162ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_CLIENT] = { 4172ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4182ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4192ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4202ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4212ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_GO] = { 4222ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4232ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4242ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4252ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4262e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4272e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4282e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4292e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4302e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 431c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona [NL80211_IFTYPE_MESH_POINT] = { 432c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona .tx = 0xffff, 43371839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 43471839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_AUTH >> 4) | 43571839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_DEAUTH >> 4), 436c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona }, 437f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg [NL80211_IFTYPE_P2P_DEVICE] = { 438f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg .tx = 0xffff, 439f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 440f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 441f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg }, 4422e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg}; 4432e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 444ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greearstatic const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = { 445ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .ampdu_params_info = IEEE80211_HT_AMPDU_PARM_FACTOR | 446ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_AMPDU_PARM_DENSITY, 447ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 448ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 449ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_MAX_AMSDU | 450bc0784d951470ca6597239f1bae6e59caf49fb10Ben Greear IEEE80211_HT_CAP_SGI_20 | 451a2e7495d639baeb4692ae80539963cf35dbcb467Pawel Kulakowski IEEE80211_HT_CAP_SGI_40 | 4529a07bf507dfc5402e63d96596341f2a15e4142c7Jouni Malinen IEEE80211_HT_CAP_LDPC_CODING | 4539a07bf507dfc5402e63d96596341f2a15e4142c7Jouni Malinen IEEE80211_HT_CAP_40MHZ_INTOLERANT), 454ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .mcs = { 455ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff, 456ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 0xff, 0xff, 0xff, 0xff, 0xff, }, 457ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear }, 458ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear}; 459ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 460dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Bergstatic const struct ieee80211_vht_cap mac80211_vht_capa_mod_mask = { 461dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .vht_cap_info = 462dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC | 463dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SHORT_GI_80 | 464dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SHORT_GI_160 | 465dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_1 | 466dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_2 | 467dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_3 | 468dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_4 | 469dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_TXSTBC | 470dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 471dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 472dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 473dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 474dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK), 475dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .supp_mcs = { 476dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .rx_mcs_map = cpu_to_le16(~0), 477dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .tx_mcs_map = cpu_to_le16(~0), 478dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg }, 479dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg}; 480dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg 481c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Bergstatic const u8 extended_capabilities[] = { 482c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg 0, 0, 0, 0, 0, 0, 0, 483c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg WLAN_EXT_CAPA8_OPMODE_NOTIF, 484c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg}; 485c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg 486f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 487f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 488f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 489f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 49096f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 491f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 492fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg bool use_chanctx; 493f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 494c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config || 495c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->add_interface || !ops->remove_interface || 496c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->configure_filter)) 497c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg return NULL; 498c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg 499f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove))) 500f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg return NULL; 501f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg 502e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg /* check all or no channel context operations exist */ 503e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg i = !!ops->add_chanctx + !!ops->remove_chanctx + 504e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->change_chanctx + !!ops->assign_vif_chanctx + 505e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->unassign_vif_chanctx; 506e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg if (WARN_ON(i != 0 && i != 5)) 507e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg return NULL; 508fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg use_chanctx = i == 5; 509e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg 510f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 511f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 512f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 513f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 514f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 515f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 516f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 517f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 518f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 519f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 520f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 521f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 522f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 523f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 524f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 5251ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 526f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 527f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 528f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 529f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 530f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 531f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5322e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; 5332e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 534207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->privid = mac80211_wiphy_privid; 535207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 5369bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 5379bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 538ee971924543fe82f279d3e97f6f6d02320b381b7Johannes Berg WIPHY_FLAG_4ADDR_STATION | 5397c4ef7122cef54dc49562eea35cbfaf0f44faa0bJohannes Berg WIPHY_FLAG_REPORTS_OBSS | 54081ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg WIPHY_FLAG_OFFCHAN_TX; 54181ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg 542c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg wiphy->extended_capabilities = extended_capabilities; 543c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg wiphy->extended_capabilities_mask = extended_capabilities; 544c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg wiphy->extended_capabilities_len = ARRAY_SIZE(extended_capabilities); 545c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg 54681ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg if (ops->remain_on_channel) 54781ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 548207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 549b292219fa5061e2657ecf518b48426913d0ddae6Johannes Berg wiphy->features |= NL80211_FEATURE_SK_TX_STATUS | 550b292219fa5061e2657ecf518b48426913d0ddae6Johannes Berg NL80211_FEATURE_SAE | 5511ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg NL80211_FEATURE_HT_IBSS | 552a6dad6a26e15f2f9269eea41b756c8cf0971b2bcThomas Pedersen NL80211_FEATURE_VIF_TXPOWER | 553a6dad6a26e15f2f9269eea41b756c8cf0971b2bcThomas Pedersen NL80211_FEATURE_USERSPACE_MPM; 554a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 555cd2bb512cda58f1efb922ad6dc29013ea5d5d9d0Sam Leffler if (!ops->hw_scan) 5565c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN | 5575c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli NL80211_FEATURE_AP_SCAN; 5585c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli 559cd2bb512cda58f1efb922ad6dc29013ea5d5d9d0Sam Leffler 560207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg if (!ops->set_key) 561207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 56218a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 5630c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 564f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 565f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 566de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 567f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 568f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5691ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 570f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 571f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 572fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg local->use_chanctx = use_chanctx; 573f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 574e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 575e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 576e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 57778be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa local->hw.max_report_rates = 0; 578df6ba5d80d6c9b51471d5fa046c3c06988e5f62aLuciano Coelho local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 57939e68712d75700ec09770c7ad9e8e4abc65db7c6Helmut Schaa local->hw.max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 5803a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue = IEEE80211_INVAL_HW_QUEUE; 581b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 582b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 583ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg local->hw.radiotap_mcs_details = IEEE80211_RADIOTAP_MCS_HAVE_MCS | 584ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_GI | 585ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_BW; 5865164892184d1b9ce19e45e97e9ca405ea8b9ceb2Johannes Berg local->hw.radiotap_vht_details = IEEE80211_RADIOTAP_VHT_KNOWN_GI | 5875164892184d1b9ce19e45e97e9ca405ea8b9ceb2Johannes Berg IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH; 588219c38674c262378ec411dd8318ebfd199fbce8dAlexander Bondar local->hw.uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; 589219c38674c262378ec411dd8318ebfd199fbce8dAlexander Bondar local->hw.uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; 5901ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 591ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask; 592dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg wiphy->vht_capa_mod_mask = &mac80211_vht_capa_mod_mask; 593f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 59479010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 5952f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 5962f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 5972f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 598c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 599a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_init(&local->mtx); 600f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 601ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 6023b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 603f9e124fbd8cbea974b5dc7e9dafddd17d21df7e2Christian Lamparter spin_lock_init(&local->rx_path_lock); 604ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 605ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 606d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior INIT_LIST_HEAD(&local->chanctx_list); 607d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior mutex_init(&local->chanctx_mtx); 608d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior 609c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 610f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 611f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 612f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 613164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich INIT_WORK(&local->radar_detected_work, 614164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich ieee80211_dfs_radar_detected_work); 615164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 6163ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 6170f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 6183ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 619520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 620520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 621520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 622520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 623520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 624520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 625520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 62685a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho INIT_WORK(&local->sched_scan_stopped_work, 62785a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho ieee80211_sched_scan_stopped_work); 62885a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho 629a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg spin_lock_init(&local->ack_status_lock); 630a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_init(&local->ack_status_frames); 631a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 632f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 633f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 634a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 6352a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 636a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg atomic_set(&local->agg_queue_stop[i], 0); 637a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg } 638f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 639f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 640f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 641f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 642f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 643f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 644f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 645f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 646f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 647f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 648fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg ieee80211_led_names(local); 649fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg 6502eb278e083549f4eb29838037004054b3b55df62Johannes Berg ieee80211_roc_setup(local); 65121f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg 652005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg return &local->hw; 653f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 654f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 655f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6562475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanovstatic int ieee80211_init_cipher_suites(struct ieee80211_local *local) 657f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 6582475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov bool have_wep = !(IS_ERR(local->wep_tx_tfm) || 6592475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov IS_ERR(local->wep_rx_tfm)); 6602475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov bool have_mfp = local->hw.flags & IEEE80211_HW_MFP_CAPABLE; 6612475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov const struct ieee80211_cipher_scheme *cs = local->hw.cipher_schemes; 6622475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov int n_suites = 0, r = 0, w = 0; 6632475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov u32 *suites; 66425e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 6655daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg /* keep WEP first, it may be removed below */ 66625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 66725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 66825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 66925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 67025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 67125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 67225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 67325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 6748318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 6752475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* Driver specifies the ciphers, we have nothing to do... */ 6762475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (local->hw.wiphy->cipher_suites && have_wep) 6772475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return 0; 6782475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6792475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* Set up cipher suites if driver relies on mac80211 cipher defs */ 6802475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!local->hw.wiphy->cipher_suites && !cs) { 6812475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->cipher_suites = cipher_suites; 6822475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 6832475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6842475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!have_mfp) 6852475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites--; 6862475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6872475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!have_wep) { 6882475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->cipher_suites += 2; 6892475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites -= 2; 6902475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 6912475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6922475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return 0; 6932475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 6942475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6952475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!local->hw.wiphy->cipher_suites) { 6962475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* 6972475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov * Driver specifies cipher schemes only 6982475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov * We start counting ciphers defined by schemes, TKIP and CCMP 6992475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov */ 7002475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov n_suites = local->hw.n_cipher_schemes + 2; 7012475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7022475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* check if we have WEP40 and WEP104 */ 7032475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_wep) 7042475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov n_suites += 2; 7052475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7062475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* check if we have AES_CMAC */ 7072475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_mfp) 7082475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov n_suites++; 7092475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7102475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites = kmalloc(sizeof(u32) * n_suites, GFP_KERNEL); 7112475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!suites) 7122475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return -ENOMEM; 7132475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7142475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_CCMP; 7152475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_TKIP; 7162475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7172475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_wep) { 7182475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_WEP40; 7192475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_WEP104; 7202475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 7212475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7222475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_mfp) 7232475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_AES_CMAC; 7242475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7252475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov for (r = 0; r < local->hw.n_cipher_schemes; r++) 7262475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = cs[r].cipher; 7272475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } else { 7282475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* Driver provides cipher suites, but we need to exclude WEP */ 7292475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites = kmemdup(local->hw.wiphy->cipher_suites, 7302475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov sizeof(u32) * local->hw.wiphy->n_cipher_suites, 7312475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov GFP_KERNEL); 7322475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!suites) 7332475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return -ENOMEM; 7342475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7352475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) { 7362475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov u32 suite = local->hw.wiphy->cipher_suites[r]; 7372475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7382475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (suite == WLAN_CIPHER_SUITE_WEP40 || 7392475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suite == WLAN_CIPHER_SUITE_WEP104) 7402475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov continue; 7412475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = suite; 7422475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 7432475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 7442475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7452475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->cipher_suites = suites; 7462475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites = w; 7472475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->wiphy_ciphers_allocated = true; 7482475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7492475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return 0; 7502475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov} 7512475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7522475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanovint ieee80211_register_hw(struct ieee80211_hw *hw) 7532475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov{ 7542475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov struct ieee80211_local *local = hw_to_local(hw); 7552475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov int result, i; 7562475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov enum ieee80211_band band; 7572475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov int channels, max_bitrates; 7582475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov bool supp_ht, supp_vht; 7592475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov netdev_features_t feature_whitelist; 7602475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov struct cfg80211_chan_def dflt_chandef = {}; 7612475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7623a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg if (hw->flags & IEEE80211_HW_QUEUE_CONTROL && 7633a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg (local->hw.offchannel_tx_hw_queue == IEEE80211_INVAL_HW_QUEUE || 7643a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue >= local->hw.queues)) 7653a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg return -EINVAL; 7663a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg 76738bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger#ifdef CONFIG_PM 768964dc9e2c3aaccacacd40640964a58544fb5769aJohannes Berg if (hw->wiphy->wowlan && (!local->ops->suspend || !local->ops->resume)) 769eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg return -EINVAL; 770dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg#endif 771eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg 772fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (!local->use_chanctx) { 773fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { 774fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg const struct ieee80211_iface_combination *comb; 775fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 776fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg comb = &local->hw.wiphy->iface_combinations[i]; 777fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 778fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (comb->num_different_channels > 1) 779fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg return -EINVAL; 780fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg } 781746a336582a7e05082ab4efbb43f5357858f629aJohannes Berg } else { 782fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg /* 783fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * WDS is currently prohibited when channel contexts are used 784fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * because there's no clear definition of which channel WDS 785fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * type interfaces use 786fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg */ 787fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_WDS)) 788fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg return -EINVAL; 789164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 790164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich /* DFS currently not supported with channel context drivers */ 791164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { 792164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich const struct ieee80211_iface_combination *comb; 793164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 794164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich comb = &local->hw.wiphy->iface_combinations[i]; 795164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 796164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich if (comb->radar_detect_widths) 797164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich return -EINVAL; 798164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich } 799fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg } 800fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 80172d7872852e1734e94686012a2e9deade3457329Arik Nemtsov /* Only HW csum features are currently compatible with mac80211 */ 80272d7872852e1734e94686012a2e9deade3457329Arik Nemtsov feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | 80372d7872852e1734e94686012a2e9deade3457329Arik Nemtsov NETIF_F_HW_CSUM; 80472d7872852e1734e94686012a2e9deade3457329Arik Nemtsov if (WARN_ON(hw->netdev_features & ~feature_whitelist)) 80572d7872852e1734e94686012a2e9deade3457329Arik Nemtsov return -EINVAL; 80672d7872852e1734e94686012a2e9deade3457329Arik Nemtsov 80778be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa if (hw->max_report_rates == 0) 80878be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa hw->max_report_rates = hw->max_rates; 80978be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa 81004ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains = 1; 81104ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 8128318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 8138318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 8148318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 8158318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 8168318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 8172a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 818de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 8195ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 820ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = false; 8218318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 8228318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 8238318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 8248318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 825de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 826de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 827fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan 828fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan if (!dflt_chandef.chan) { 829fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan cfg80211_chandef_create(&dflt_chandef, 830fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan &sband->channels[0], 831fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan NL80211_CHAN_NO_HT); 8328318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 833fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan if (!local->use_chanctx && !local->_oper_chandef.chan) { 834fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan local->hw.conf.chandef = dflt_chandef; 835fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan local->_oper_chandef = dflt_chandef; 836fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan } 837fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan local->monitor_chandef = dflt_chandef; 8388318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 839fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan 840de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 841de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 842de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 843de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 8445ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 845ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = supp_vht || sband->vht_cap.vht_supported; 84604ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 84704ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg if (sband->ht_cap.ht_supported) 84804ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains = 84904ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg max(ieee80211_mcs_to_chains(&sband->ht_cap.mcs), 85004ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains); 85104ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 85204ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg /* TODO: consider VHT for RX chains, hopefully it's the same */ 8538318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 854f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 855f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 8567527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { 8577527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 8587527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN); 8597527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg } 860f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 861f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 8627527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 8637527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR); 8647527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg 86555de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg /* mac80211 doesn't support more than one IBSS interface right now */ 8668e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (i = 0; i < hw->wiphy->n_iface_combinations; i++) { 8678e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg const struct ieee80211_iface_combination *c; 8688e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg int j; 8698e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8708e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c = &hw->wiphy->iface_combinations[i]; 8718e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8728e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (j = 0; j < c->n_limits; j++) 8738e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg if ((c->limits[j].types & BIT(NL80211_IFTYPE_ADHOC)) && 8748e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c->limits[j].max > 1) 8758e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg return -EINVAL; 8768e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg } 8778e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8785b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 8795b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg sizeof(void *) * channels, GFP_KERNEL); 8805b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg if (!local->int_scan_req) 8815b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg return -ENOMEM; 8825b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg 8835b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 8845b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg if (!local->hw.wiphy->bands[band]) 8855b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg continue; 8865b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg local->int_scan_req->rates[band] = (u32) -1; 8875b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg } 8885b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg 8895eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#ifndef CONFIG_MAC80211_MESH 8905eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg /* mesh depends on Kconfig, but drivers should set it if they want */ 8915eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT); 8925eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#endif 8935eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg 8941570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona /* if the underlying driver supports mesh, mac80211 will (at least) 8951570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona * provide routing of mesh authentication frames to userspace */ 8961570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT)) 8971570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona local->hw.wiphy->flags |= WIPHY_FLAG_MESH_AUTH; 8981570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona 899a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg /* mac80211 supports control port protocol changing */ 900a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL; 901a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg 90252512072738c851896c8bfa31938eba1e9b9bc62andrea merello if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) { 90377965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 90452512072738c851896c8bfa31938eba1e9b9bc62andrea merello } else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) { 90577965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 90652512072738c851896c8bfa31938eba1e9b9bc62andrea merello if (hw->max_signal <= 0) { 90752512072738c851896c8bfa31938eba1e9b9bc62andrea merello result = -EINVAL; 90852512072738c851896c8bfa31938eba1e9b9bc62andrea merello goto fail_wiphy_register; 90952512072738c851896c8bfa31938eba1e9b9bc62andrea merello } 91052512072738c851896c8bfa31938eba1e9b9bc62andrea merello } 91177965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 912ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 913ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 914ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 915ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 916de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 917de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 918de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 919dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen * includes the DS Params, (extended) supported rates, and HT 920de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 921de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 922dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ + 923dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen 3 /* DS Params */; 9245ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 9255ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 926de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 927d0e6c21acdd4f38ad8c9644f6321b4746e18e121Karl Beldan if (supp_vht) 928ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela local->scan_ies_len += 929d4950281d72d8845225e3a39dbeb366c40c824c9Mahesh Palivela 2 + sizeof(struct ieee80211_vht_cap); 930ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela 931de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 932de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 933de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 934de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 935de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 936de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 937de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 938de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 939de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 940de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 941de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 942de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 943de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 944de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 945de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 946de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 9472475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov WARN_ON(!ieee80211_cs_list_valid(local->hw.cipher_schemes, 9482475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.n_cipher_schemes)); 9492475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 9502475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov result = ieee80211_init_cipher_suites(local); 9512475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (result < 0) 9522475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov goto fail_wiphy_register; 95325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 95421f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg if (!local->ops->remain_on_channel) 95521f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg local->hw.wiphy->max_remain_on_channel_duration = 5000; 956a293911d4fd5e8593dbf478399a77f990d466269Johannes Berg 957dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov /* mac80211 based drivers don't support internal TDLS setup */ 958dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov if (local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) 959dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov local->hw.wiphy->flags |= WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 960dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov 9610d06d9ba93ad4272dc3cd2865deb18c9e9885fd5Andrei Otcheretianski local->hw.wiphy->max_num_csa_counters = IEEE80211_MAX_CSA_COUNTERS_NUM; 9620d06d9ba93ad4272dc3cd2865deb18c9e9885fd5Andrei Otcheretianski 963f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 964f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 9652a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 966f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 967e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 968e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 969e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 970e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 971e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 972e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 973e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 97442935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 975d8537548c924db3c44afde7646b6e220c7beb79dKees Cook alloc_ordered_workqueue("%s", 0, wiphy_name(local->hw.wiphy)); 97642935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 977f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 978f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 979f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 980f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 981b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 982b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 983b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 984b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 985b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 98633ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 987a2fe81667410723d941a688e1958a49d67ca3346Helmut Schaa IEEE80211_TX_STATUS_HEADROOM); 988b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 989e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 990e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 991b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 992b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 993b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 994b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 995ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 996b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 997ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 998ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 999ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 1000ff61638105db6f5832ef8700436ba6aa6d3a2fdaJuuso Oikarinen local->dynamic_ps_forced_timeout = -1; 1001195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 1002d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 10033473187d2459a078e00e5fac8aafc30af69c57faJohn W. Linville if (result < 0) 10040fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", 10050fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches result); 1006d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 100724d47300d118c5909a51b7270276d749cce150a2Karl Beldan local->hw.conf.flags = IEEE80211_CONF_IDLE; 100824d47300d118c5909a51b7270276d749cce150a2Karl Beldan 1009b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan ieee80211_led_init(local); 1010b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan 1011f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 1012f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1013830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 1014830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 1015f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 10160fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, 10170fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to initialize rate control algorithm\n"); 1018f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 1019f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 1020f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 10218dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 10228dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 10238dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 10248dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 10258dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 10260fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, 10270fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to add default virtual iface\n"); 10288dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 1029f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1030f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1031f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 103210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 103310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 103410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 103510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 103610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 103710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 103810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 103910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 104010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 104126b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 10422b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 10432b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 10442b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 10452b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 104626b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 10472b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 1048a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1049a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg local->ifa6_notifier.notifier_call = ieee80211_ifa6_changed; 1050a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg result = register_inet6addr_notifier(&local->ifa6_notifier); 1051a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg if (result) 1052a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg goto fail_ifa6; 1053a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1054a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 1055f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 1056f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1057a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1058a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg fail_ifa6: 105993c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#ifdef CONFIG_INET 1060a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unregister_inetaddr_notifier(&local->ifa_notifier); 1061a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1062a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1063a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if defined(CONFIG_INET) || defined(CONFIG_IPV6) 10642b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 10652b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 10662b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 10672b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 106893c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#endif 106910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 107010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 107110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 107210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 1073f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1074d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 1075f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 107642935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 107710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 1078f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 107910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 10803ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 10813ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 108211ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 1083f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 1084f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1085f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 1086f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 108706d181a8fd58031db9c114d920b40d8820380a6eJohannes Bergvoid ieee80211_napi_add(struct ieee80211_hw *hw, struct napi_struct *napi, 108806d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg struct net_device *napi_dev, 108906d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg int (*poll)(struct napi_struct *, int), 109006d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg int weight) 109106d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg{ 109206d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 109306d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg 109406d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg netif_napi_add(napi_dev, napi, poll, weight); 109506d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg local->napi = napi; 109606d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg} 109706d181a8fd58031db9c114d920b40d8820380a6eJohannes BergEXPORT_SYMBOL_GPL(ieee80211_napi_add); 109806d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg 1099f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 1100f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1101f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1102f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1103f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 1104f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 1105f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 110610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 110710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 110826b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 11092b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 111026b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 1111a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1112a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unregister_inet6addr_notifier(&local->ifa6_notifier); 1113a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 111410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 1115f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 1116f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 111779010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 111879010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 111979010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 112079010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 112179010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 112275636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 11235b2812e925c8e976852867f8d760637c5926d817Johannes Berg 1124f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1125f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1126258086a48b766d12a500f98834654ffa927ca475Christian Lamparter cancel_work_sync(&local->restart_work); 11273ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 112818db594a1005d908d995a2fc8f5a7bf4286fdca0Johannes Berg flush_work(&local->sched_scan_stopped_work); 11293ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 1130f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 1131f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 1132f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1133f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 1134f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 11350fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); 1136f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 1137f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 1138f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 113942935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 1140f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 1141ecb4433550f0620f3d1471ae7099037ede30a91eStanislaw Gruszka sta_info_stop(local); 1142f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 1143f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 11445ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 1145f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1146f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 1147f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1148a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Bergstatic int ieee80211_free_ack_frame(int id, void *p, void *data) 1149a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg{ 1150a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg WARN_ONCE(1, "Have pending ack frames!\n"); 1151a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg kfree_skb(p); 1152a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg return 0; 1153a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg} 1154a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1155f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 1156f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1157f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1158f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1159c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 1160a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_destroy(&local->mtx); 1161c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 11623ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 11633ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 11643ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 1165a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_for_each(&local->ack_status_frames, 1166a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg ieee80211_free_ack_frame, NULL); 1167a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_destroy(&local->ack_status_frames); 1168a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1169ad38bfc916da6aee9160bfa5335aed8d6c190e39Matti Gottlieb kfree(rcu_access_pointer(local->tx_latency)); 1170ad38bfc916da6aee9160bfa5335aed8d6c190e39Matti Gottlieb 1171f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 1172f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1173f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 1174f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1175f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 1176f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1177f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 1178f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 1179f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1180e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 1181e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 1182c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 1183f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1184cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 1185cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 1186cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 1187cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 1188ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 1189ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 1190ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 1191ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 119247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 119347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 119447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 1195e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 1196f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 119747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 1198ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1199ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 120047846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 120147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 120247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 1203f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1204f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1205f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 1206f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1207ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1208cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 1209ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 1210bf7cd94dcc71682cd6af4a9028f95307b7db41c5Johannes Berg ieee80211s_stop(); 1211902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 121247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 1213d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg 1214d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg rcu_barrier(); 1215f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1216f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1217f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1218ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 1219f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 1220f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1221f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 1222f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 1223