main.c revision 2475b1cc0d5283a33144b79f3eba6d401d873962
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> 5f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 6f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * This program is free software; you can redistribute it and/or modify 7f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * it under the terms of the GNU General Public License version 2 as 8f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * published by the Free Software Foundation. 9f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 10f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 11f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <net/mac80211.h> 12f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/module.h> 13f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/init.h> 14f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/netdevice.h> 15f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/types.h> 16f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/slab.h> 17f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/skbuff.h> 18f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/etherdevice.h> 19f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/if_arp.h> 20f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/rtnetlink.h> 21f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/bitmap.h> 22e8db0be1245de16a6cc6365506abc392c3c212d4Jean Pihet#include <linux/pm_qos.h> 23685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen#include <linux/inetdevice.h> 24881d966b48b035ab3f3aeaae0f3d3f9b584f45b2Eric W. Biederman#include <net/net_namespace.h> 25f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <net/cfg80211.h> 26a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#include <net/addrconf.h> 27f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 28f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include "ieee80211_i.h" 292448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg#include "driver-ops.h" 302c8dccc77420fb7433da5674818959d3499d35beJohannes Berg#include "rate.h" 31f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo#include "mesh.h" 32f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include "wep.h" 332c8dccc77420fb7433da5674818959d3499d35beJohannes Berg#include "led.h" 34e0eb68596232788bc352368f2fbc3cb088e42e41Michael Wu#include "cfg.h" 35e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc#include "debugfs.h" 36f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 370d143fe1e2efc084fa730d2dfa22d0d1ca2ee5f1Johannes Bergvoid ieee80211_configure_filter(struct ieee80211_local *local) 384150c57212ad134765dd78c654a4b9906252b66dJohannes Berg{ 393ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg u64 mc; 404150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int changed_flags; 414150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int new_flags = 0; 424150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 4353918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_promiscs)) 444150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_PROMISC_IN_BSS; 454150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 4653918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_allmultis)) 474150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_ALLMULTI; 484150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 498a690674e0601efbe9a7b16a5826fc522645cca3Ben Greear if (local->monitors || test_bit(SCAN_SW_SCANNING, &local->scanning) || 508a690674e0601efbe9a7b16a5826fc522645cca3Ben Greear test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) 518cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_BCN_PRBRESP_PROMISC; 528cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 537be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg if (local->fif_probe_req || local->probe_req_reg) 547be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg new_flags |= FIF_PROBE_REQ; 557be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg 568cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_fcsfail) 578cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_FCSFAIL; 588cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 598cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_plcpfail) 608cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_PLCPFAIL; 618cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 628cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_control) 638cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_CONTROL; 648cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 658cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_other_bss) 668cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_OTHER_BSS; 674150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 68e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov if (local->fif_pspoll) 69e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov new_flags |= FIF_PSPOLL; 70e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov 713ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_lock_bh(&local->filter_lock); 724150c57212ad134765dd78c654a4b9906252b66dJohannes Berg changed_flags = local->filter_flags ^ new_flags; 734150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 7422bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc = drv_prepare_multicast(local, &local->mc_list); 753ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_unlock_bh(&local->filter_lock); 763ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 774150c57212ad134765dd78c654a4b9906252b66dJohannes Berg /* be a bit nasty */ 784150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= (1<<31); 794150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 803ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg drv_configure_filter(local, changed_flags, &new_flags, mc); 814150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 824150c57212ad134765dd78c654a4b9906252b66dJohannes Berg WARN_ON(new_flags & (1<<31)); 834150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 844150c57212ad134765dd78c654a4b9906252b66dJohannes Berg local->filter_flags = new_flags & ~(1<<31); 854150c57212ad134765dd78c654a4b9906252b66dJohannes Berg} 864150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 873ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Bergstatic void ieee80211_reconfig_filter(struct work_struct *work) 883ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg{ 893ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg struct ieee80211_local *local = 903ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg container_of(work, struct ieee80211_local, reconfig_filter); 913ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 923ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg ieee80211_configure_filter(local); 933ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg} 943ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 9555de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Bergstatic u32 ieee80211_hw_conf_chan(struct ieee80211_local *local) 96b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg{ 971ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg struct ieee80211_sub_if_data *sdata; 98675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan struct cfg80211_chan_def chandef = {}; 9955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg u32 changed = 0; 100e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg int power; 101ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau u32 offchannel_flag; 102f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 103ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 104675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan 1057ca15a0ae865067aac8d36e27e0acbe4a8f1e70aSimon Wunderlich if (local->scan_chandef.chan) { 1067ca15a0ae865067aac8d36e27e0acbe4a8f1e70aSimon Wunderlich chandef = local->scan_chandef; 107b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear } else if (local->tmp_channel) { 108675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef.chan = local->tmp_channel; 109675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef.width = NL80211_CHAN_WIDTH_20_NOHT; 110675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef.center_freq1 = chandef.chan->center_freq; 111675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan } else 112675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef = local->_oper_chandef; 113675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan 114675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan WARN(!cfg80211_chandef_valid(&chandef), 115675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan "control:%d MHz width:%d center: %d/%d MHz", 116675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef.chan->center_freq, chandef.width, 117675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan chandef.center_freq1, chandef.center_freq2); 118675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan 119675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (!cfg80211_chandef_identical(&chandef, &local->_oper_chandef)) 120b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; 121b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear else 122b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL; 123b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear 124ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 125f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 126675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan if (offchannel_flag || 127675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan !cfg80211_chandef_identical(&local->hw.conf.chandef, 128675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan &local->_oper_chandef)) { 129675a0b049abf6edf30f8dd84c5610b6edc2296c8Karl Beldan local->hw.conf.chandef = chandef; 130e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_CHANNEL; 131e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 1328318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 1330f78231bffb868a30e8533aace142213266bb811Johannes Berg if (!conf_is_ht(&local->hw.conf)) { 1340f78231bffb868a30e8533aace142213266bb811Johannes Berg /* 1350f78231bffb868a30e8533aace142213266bb811Johannes Berg * mac80211.h documents that this is only valid 1360f78231bffb868a30e8533aace142213266bb811Johannes Berg * when the channel is set to an HT type, and 1370f78231bffb868a30e8533aace142213266bb811Johannes Berg * that otherwise STATIC is used. 1380f78231bffb868a30e8533aace142213266bb811Johannes Berg */ 1390f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC; 1400f78231bffb868a30e8533aace142213266bb811Johannes Berg } else if (local->hw.conf.smps_mode != local->smps_mode) { 1410f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = local->smps_mode; 1420f78231bffb868a30e8533aace142213266bb811Johannes Berg changed |= IEEE80211_CONF_CHANGE_SMPS; 1430f78231bffb868a30e8533aace142213266bb811Johannes Berg } 1440f78231bffb868a30e8533aace142213266bb811Johannes Berg 1450430c883470d0c9a23661ea9f02c56b1d91cf93cSimon Wunderlich power = ieee80211_chandef_max_power(&chandef); 146a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 1471ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg rcu_read_lock(); 1481ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg list_for_each_entry_rcu(sdata, &local->interfaces, list) { 1491ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg if (!rcu_access_pointer(sdata->vif.chanctx_conf)) 1501ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg continue; 1511ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg power = min(power, sdata->vif.bss_conf.txpower); 1521ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg } 1531ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg rcu_read_unlock(); 154a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 155e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (local->hw.conf.power_level != power) { 156e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_POWER; 157e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.power_level = power; 158e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 159b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg 16055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg return changed; 16155de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg} 16255de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 16355de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Bergint ieee80211_hw_config(struct ieee80211_local *local, u32 changed) 16455de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg{ 16555de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg int ret = 0; 16655de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 16755de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg might_sleep(); 16855de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 16955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (!local->use_chanctx) 17055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg changed |= ieee80211_hw_conf_chan(local); 17155de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg else 17255de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg changed &= ~(IEEE80211_CONF_CHANGE_CHANNEL | 17355de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg IEEE80211_CONF_CHANGE_POWER); 17455de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 175e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (changed && local->open_count) { 1762448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg ret = drv_config(local, changed); 177d73782fdde76554016abf73b46f843b29f520848Johannes Berg /* 178447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Goal: 179d73782fdde76554016abf73b46f843b29f520848Johannes Berg * HW reconfiguration should never fail, the driver has told 180d73782fdde76554016abf73b46f843b29f520848Johannes Berg * us what it can support so it should live up to that promise. 181447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 182447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Current status: 183447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * rfkill is not integrated with mac80211 and a 184447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * configuration command can thus fail if hardware rfkill 185447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * is enabled 186447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 187447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * FIXME: integrate rfkill with mac80211 and then add this 188447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * WARN_ON() back 189447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 190d73782fdde76554016abf73b46f843b29f520848Johannes Berg */ 191447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre /* WARN_ON(ret); */ 192d73782fdde76554016abf73b46f843b29f520848Johannes Berg } 193f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 194b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg return ret; 195b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg} 196f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 197471b3efdfccc257591331724145f8ccf8b3217e1Johannes Bergvoid ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 198471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg u32 changed) 199d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 200471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg struct ieee80211_local *local = sdata->local; 201471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 202471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg if (!changed) 203471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg return; 204471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 20512375ef933fa8271396ed0c1e318cb1bd2e2689dJohannes Berg drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed); 206d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 207d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 208f698d856f65c3fea091cc303a135967965c5b880Jasper Bryant-Greeneu32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) 209d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 210bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_cts_prot = false; 211bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_preamble = false; 212bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_slot = false; 2137a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg return BSS_CHANGED_ERP_CTS_PROT | 2147a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_PREAMBLE | 2157a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_SLOT; 216d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 217d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 218f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void ieee80211_tasklet_handler(unsigned long data) 219f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 220f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = (struct ieee80211_local *) data; 221f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 222f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 223f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc while ((skb = skb_dequeue(&local->skb_queue)) || 224f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (skb = skb_dequeue(&local->skb_queue_unreliable))) { 225f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc switch (skb->pkt_type) { 226f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_RX_MSG: 22751fb61e76d952e6bc2fbdd9f0d38425fbab1cf31Johannes Berg /* Clear skb->pkt_type in order to not confuse kernel 228f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * netstack. */ 229f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 230005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_rx(&local->hw, skb); 231f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 232f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_TX_STATUS_MSG: 233f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 234005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_tx_status(&local->hw, skb); 235f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 236f4ea83dd743d3e1bec8fdf954ac911c6b12ae87aJohannes Berg default: 2375e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger WARN(1, "mac80211: Packet is of unknown type %d\n", 2385e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger skb->pkt_type); 239f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc dev_kfree_skb(skb); 240f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 241f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 242f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 243f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 244f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 245f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergstatic void ieee80211_restart_work(struct work_struct *work) 246f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 247f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = 248f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg container_of(work, struct ieee80211_local, restart_work); 249f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 250bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka /* wait for scan work complete */ 251bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka flush_workqueue(local->workqueue); 252bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 253bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_lock(&local->mtx); 25479f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) || 2555260a5b2c3524f198ea062fe0a6a4faa724e6a9dJohannes Berg rcu_dereference_protected(local->sched_scan_sdata, 2565260a5b2c3524f198ea062fe0a6a4faa724e6a9dJohannes Berg lockdep_is_held(&local->mtx)), 257bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka "%s called with hardware scan in progress\n", __func__); 258bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_unlock(&local->mtx); 259bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 260f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 2614136c4224ccf1907d309e1cdfaefef9da97dbc5eStanislaw Gruszka ieee80211_scan_cancel(local); 262f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 263f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 264f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 265f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 266f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 267f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 268f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 269f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 270b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 271b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 272b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch wiphy_info(hw->wiphy, 273b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch "Hardware restart was requested\n"); 274b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch 27518145c69349f2ab60c470798f83b3a2639e2a8d9John W. Linville /* use this reason, ieee80211_reconfig will unblock it */ 276445ea4e83ec50668cc9ad7e5cf96d242f19165e8Johannes Berg ieee80211_stop_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP, 277445ea4e83ec50668cc9ad7e5cf96d242f19165e8Johannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND); 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 3452b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 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 376a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg return NOTIFY_DONE; 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 | 451ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_SGI_40), 452ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .mcs = { 453ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff, 454ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 0xff, 0xff, 0xff, 0xff, 0xff, }, 455ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear }, 456ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear}; 457ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 458dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Bergstatic const struct ieee80211_vht_cap mac80211_vht_capa_mod_mask = { 459dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .vht_cap_info = 460dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC | 461dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SHORT_GI_80 | 462dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SHORT_GI_160 | 463dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_1 | 464dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_2 | 465dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_3 | 466dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_4 | 467dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_TXSTBC | 468dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 469dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 470dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 471dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 472dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK), 473dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .supp_mcs = { 474dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .rx_mcs_map = cpu_to_le16(~0), 475dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .tx_mcs_map = cpu_to_le16(~0), 476dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg }, 477dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg}; 478dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg 479c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Bergstatic const u8 extended_capabilities[] = { 480c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg 0, 0, 0, 0, 0, 0, 0, 481c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg WLAN_EXT_CAPA8_OPMODE_NOTIF, 482c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg}; 483c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg 484f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 485f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 486f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 487f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 48896f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 489f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 490fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg bool use_chanctx; 491f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 492c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config || 493c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->add_interface || !ops->remove_interface || 494c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->configure_filter)) 495c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg return NULL; 496c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg 497f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove))) 498f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg return NULL; 499f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg 500e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg /* check all or no channel context operations exist */ 501e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg i = !!ops->add_chanctx + !!ops->remove_chanctx + 502e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->change_chanctx + !!ops->assign_vif_chanctx + 503e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->unassign_vif_chanctx; 504e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg if (WARN_ON(i != 0 && i != 5)) 505e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg return NULL; 506fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg use_chanctx = i == 5; 507e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg 508f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 509f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 510f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 511f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 512f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 513f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 514f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 515f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 516f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 517f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 518f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 519f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 520f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 521f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 522f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 5231ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 524f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 525f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 526f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 527f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 528f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 529f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5302e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; 5312e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 532207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->privid = mac80211_wiphy_privid; 533207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 5349bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 5359bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 536ee971924543fe82f279d3e97f6f6d02320b381b7Johannes Berg WIPHY_FLAG_4ADDR_STATION | 5377c4ef7122cef54dc49562eea35cbfaf0f44faa0bJohannes Berg WIPHY_FLAG_REPORTS_OBSS | 53881ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg WIPHY_FLAG_OFFCHAN_TX; 53981ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg 540c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg wiphy->extended_capabilities = extended_capabilities; 541c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg wiphy->extended_capabilities_mask = extended_capabilities; 542c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg wiphy->extended_capabilities_len = ARRAY_SIZE(extended_capabilities); 543c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg 54481ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg if (ops->remain_on_channel) 54581ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 546207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 547b292219fa5061e2657ecf518b48426913d0ddae6Johannes Berg wiphy->features |= NL80211_FEATURE_SK_TX_STATUS | 548b292219fa5061e2657ecf518b48426913d0ddae6Johannes Berg NL80211_FEATURE_SAE | 5491ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg NL80211_FEATURE_HT_IBSS | 550a6dad6a26e15f2f9269eea41b756c8cf0971b2bcThomas Pedersen NL80211_FEATURE_VIF_TXPOWER | 551a6dad6a26e15f2f9269eea41b756c8cf0971b2bcThomas Pedersen NL80211_FEATURE_USERSPACE_MPM; 552a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 553cd2bb512cda58f1efb922ad6dc29013ea5d5d9d0Sam Leffler if (!ops->hw_scan) 5545c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN | 5555c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli NL80211_FEATURE_AP_SCAN; 5565c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli 557cd2bb512cda58f1efb922ad6dc29013ea5d5d9d0Sam Leffler 558207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg if (!ops->set_key) 559207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 56018a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 5610c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 562f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 563f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 564de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 565f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 566f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5671ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 568f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 569f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 570fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg local->use_chanctx = use_chanctx; 571f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 572e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 573e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 574e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 57578be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa local->hw.max_report_rates = 0; 576df6ba5d80d6c9b51471d5fa046c3c06988e5f62aLuciano Coelho local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 57739e68712d75700ec09770c7ad9e8e4abc65db7c6Helmut Schaa local->hw.max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 5783a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue = IEEE80211_INVAL_HW_QUEUE; 579b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 580b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 581ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg local->hw.radiotap_mcs_details = IEEE80211_RADIOTAP_MCS_HAVE_MCS | 582ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_GI | 583ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_BW; 5845164892184d1b9ce19e45e97e9ca405ea8b9ceb2Johannes Berg local->hw.radiotap_vht_details = IEEE80211_RADIOTAP_VHT_KNOWN_GI | 5855164892184d1b9ce19e45e97e9ca405ea8b9ceb2Johannes Berg IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH; 586219c38674c262378ec411dd8318ebfd199fbce8dAlexander Bondar local->hw.uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; 587219c38674c262378ec411dd8318ebfd199fbce8dAlexander Bondar local->hw.uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; 5881ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 589ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask; 590dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg wiphy->vht_capa_mod_mask = &mac80211_vht_capa_mod_mask; 591f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 59279010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 5932f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 5942f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 5952f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 596c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 597a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_init(&local->mtx); 598f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 599ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 6003b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 601f9e124fbd8cbea974b5dc7e9dafddd17d21df7e2Christian Lamparter spin_lock_init(&local->rx_path_lock); 602ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 603ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 604d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior INIT_LIST_HEAD(&local->chanctx_list); 605d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior mutex_init(&local->chanctx_mtx); 606d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior 607c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 608f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 609f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 610f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 611164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich INIT_WORK(&local->radar_detected_work, 612164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich ieee80211_dfs_radar_detected_work); 613164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 6143ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 6150f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 6163ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 617520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 618520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 619520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 620520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 621520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 622520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 623520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 62485a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho INIT_WORK(&local->sched_scan_stopped_work, 62585a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho ieee80211_sched_scan_stopped_work); 62685a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho 627a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg spin_lock_init(&local->ack_status_lock); 628a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_init(&local->ack_status_frames); 629a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 630f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 631f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 632a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 6332a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 634a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg atomic_set(&local->agg_queue_stop[i], 0); 635a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg } 636f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 637f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 638f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 639f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 640f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 641f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 642f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 643f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 644f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 645f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 646fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg ieee80211_led_names(local); 647fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg 6482eb278e083549f4eb29838037004054b3b55df62Johannes Berg ieee80211_roc_setup(local); 64921f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg 650005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg return &local->hw; 651f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 652f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 653f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6542475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanovstatic int ieee80211_init_cipher_suites(struct ieee80211_local *local) 655f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 6562475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov bool have_wep = !(IS_ERR(local->wep_tx_tfm) || 6572475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov IS_ERR(local->wep_rx_tfm)); 6582475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov bool have_mfp = local->hw.flags & IEEE80211_HW_MFP_CAPABLE; 6592475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov const struct ieee80211_cipher_scheme *cs = local->hw.cipher_schemes; 6602475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov int n_suites = 0, r = 0, w = 0; 6612475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov u32 *suites; 66225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 6635daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg /* keep WEP first, it may be removed below */ 66425e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 66525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 66625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 66725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 66825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 66925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 67025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 67125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 6728318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 6732475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* Driver specifies the ciphers, we have nothing to do... */ 6742475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (local->hw.wiphy->cipher_suites && have_wep) 6752475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return 0; 6762475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6772475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* Set up cipher suites if driver relies on mac80211 cipher defs */ 6782475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!local->hw.wiphy->cipher_suites && !cs) { 6792475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->cipher_suites = cipher_suites; 6802475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 6812475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6822475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!have_mfp) 6832475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites--; 6842475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6852475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!have_wep) { 6862475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->cipher_suites += 2; 6872475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites -= 2; 6882475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 6892475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6902475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return 0; 6912475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 6922475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6932475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!local->hw.wiphy->cipher_suites) { 6942475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* 6952475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov * Driver specifies cipher schemes only 6962475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov * We start counting ciphers defined by schemes, TKIP and CCMP 6972475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov */ 6982475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov n_suites = local->hw.n_cipher_schemes + 2; 6992475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7002475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* check if we have WEP40 and WEP104 */ 7012475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_wep) 7022475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov n_suites += 2; 7032475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7042475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* check if we have AES_CMAC */ 7052475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_mfp) 7062475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov n_suites++; 7072475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7082475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites = kmalloc(sizeof(u32) * n_suites, GFP_KERNEL); 7092475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!suites) 7102475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return -ENOMEM; 7112475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7122475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_CCMP; 7132475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_TKIP; 7142475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7152475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_wep) { 7162475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_WEP40; 7172475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_WEP104; 7182475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 7192475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7202475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_mfp) 7212475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_AES_CMAC; 7222475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7232475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov for (r = 0; r < local->hw.n_cipher_schemes; r++) 7242475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = cs[r].cipher; 7252475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } else { 7262475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* Driver provides cipher suites, but we need to exclude WEP */ 7272475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites = kmemdup(local->hw.wiphy->cipher_suites, 7282475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov sizeof(u32) * local->hw.wiphy->n_cipher_suites, 7292475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov GFP_KERNEL); 7302475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!suites) 7312475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return -ENOMEM; 7322475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7332475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) { 7342475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov u32 suite = local->hw.wiphy->cipher_suites[r]; 7352475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7362475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (suite == WLAN_CIPHER_SUITE_WEP40 || 7372475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suite == WLAN_CIPHER_SUITE_WEP104) 7382475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov continue; 7392475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = suite; 7402475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 7412475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 7422475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7432475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->cipher_suites = suites; 7442475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites = w; 7452475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->wiphy_ciphers_allocated = true; 7462475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7472475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return 0; 7482475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov} 7492475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7502475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanovint ieee80211_register_hw(struct ieee80211_hw *hw) 7512475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov{ 7522475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov struct ieee80211_local *local = hw_to_local(hw); 7532475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov int result, i; 7542475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov enum ieee80211_band band; 7552475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov int channels, max_bitrates; 7562475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov bool supp_ht, supp_vht; 7572475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov netdev_features_t feature_whitelist; 7582475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov struct cfg80211_chan_def dflt_chandef = {}; 7592475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7603a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg if (hw->flags & IEEE80211_HW_QUEUE_CONTROL && 7613a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg (local->hw.offchannel_tx_hw_queue == IEEE80211_INVAL_HW_QUEUE || 7623a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue >= local->hw.queues)) 7633a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg return -EINVAL; 7643a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg 76538bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger#ifdef CONFIG_PM 766964dc9e2c3aaccacacd40640964a58544fb5769aJohannes Berg if (hw->wiphy->wowlan && (!local->ops->suspend || !local->ops->resume)) 767eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg return -EINVAL; 768dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg#endif 769eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg 770fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (!local->use_chanctx) { 771fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { 772fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg const struct ieee80211_iface_combination *comb; 773fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 774fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg comb = &local->hw.wiphy->iface_combinations[i]; 775fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 776fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (comb->num_different_channels > 1) 777fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg return -EINVAL; 778fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg } 779746a336582a7e05082ab4efbb43f5357858f629aJohannes Berg } else { 780fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg /* 781fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * WDS is currently prohibited when channel contexts are used 782fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * because there's no clear definition of which channel WDS 783fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * type interfaces use 784fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg */ 785fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_WDS)) 786fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg return -EINVAL; 787164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 788164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich /* DFS currently not supported with channel context drivers */ 789164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { 790164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich const struct ieee80211_iface_combination *comb; 791164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 792164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich comb = &local->hw.wiphy->iface_combinations[i]; 793164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 794164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich if (comb->radar_detect_widths) 795164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich return -EINVAL; 796164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich } 797fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg } 798fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 79972d7872852e1734e94686012a2e9deade3457329Arik Nemtsov /* Only HW csum features are currently compatible with mac80211 */ 80072d7872852e1734e94686012a2e9deade3457329Arik Nemtsov feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | 80172d7872852e1734e94686012a2e9deade3457329Arik Nemtsov NETIF_F_HW_CSUM; 80272d7872852e1734e94686012a2e9deade3457329Arik Nemtsov if (WARN_ON(hw->netdev_features & ~feature_whitelist)) 80372d7872852e1734e94686012a2e9deade3457329Arik Nemtsov return -EINVAL; 80472d7872852e1734e94686012a2e9deade3457329Arik Nemtsov 80578be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa if (hw->max_report_rates == 0) 80678be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa hw->max_report_rates = hw->max_rates; 80778be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa 80804ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains = 1; 80904ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 8108318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 8118318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 8128318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 8138318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 8148318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 8152a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 816de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 8175ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 818ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = false; 8198318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 8208318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 8218318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 8228318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 823de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 824de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 825fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan 826fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan if (!dflt_chandef.chan) { 827fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan cfg80211_chandef_create(&dflt_chandef, 828fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan &sband->channels[0], 829fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan NL80211_CHAN_NO_HT); 8308318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 831fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan if (!local->use_chanctx && !local->_oper_chandef.chan) { 832fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan local->hw.conf.chandef = dflt_chandef; 833fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan local->_oper_chandef = dflt_chandef; 834fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan } 835fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan local->monitor_chandef = dflt_chandef; 8368318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 837fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan 838de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 839de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 840de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 841de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 8425ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 843ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = supp_vht || sband->vht_cap.vht_supported; 84404ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 84504ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg if (sband->ht_cap.ht_supported) 84604ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains = 84704ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg max(ieee80211_mcs_to_chains(&sband->ht_cap.mcs), 84804ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains); 84904ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 85004ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg /* TODO: consider VHT for RX chains, hopefully it's the same */ 8518318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 852f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 8535ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 8545ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg sizeof(void *) * channels, GFP_KERNEL); 8555ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg if (!local->int_scan_req) 8562a5193119269062608582418deba7af82844159aJohannes Berg return -ENOMEM; 8572a5193119269062608582418deba7af82844159aJohannes Berg 858c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 859c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich if (!local->hw.wiphy->bands[band]) 860c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich continue; 861c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich local->int_scan_req->rates[band] = (u32) -1; 862c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich } 863c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich 864f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 8657527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { 8667527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 8677527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN); 8687527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg } 869f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 870f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 8717527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 8727527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR); 8737527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg 87455de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg /* mac80211 doesn't support more than one IBSS interface right now */ 8758e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (i = 0; i < hw->wiphy->n_iface_combinations; i++) { 8768e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg const struct ieee80211_iface_combination *c; 8778e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg int j; 8788e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8798e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c = &hw->wiphy->iface_combinations[i]; 8808e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8818e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (j = 0; j < c->n_limits; j++) 8828e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg if ((c->limits[j].types & BIT(NL80211_IFTYPE_ADHOC)) && 8838e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c->limits[j].max > 1) 8848e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg return -EINVAL; 8858e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg } 8868e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8875eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#ifndef CONFIG_MAC80211_MESH 8885eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg /* mesh depends on Kconfig, but drivers should set it if they want */ 8895eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT); 8905eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#endif 8915eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg 8921570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona /* if the underlying driver supports mesh, mac80211 will (at least) 8931570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona * provide routing of mesh authentication frames to userspace */ 8941570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT)) 8951570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona local->hw.wiphy->flags |= WIPHY_FLAG_MESH_AUTH; 8961570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona 897a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg /* mac80211 supports control port protocol changing */ 898a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL; 899a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg 90077965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) 90177965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 90277965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) 90377965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 90477965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 905ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 906ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 907ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 908ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 909de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 910de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 911de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 912dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen * includes the DS Params, (extended) supported rates, and HT 913de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 914de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 915dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ + 916dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen 3 /* DS Params */; 9175ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 9185ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 919de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 920d0e6c21acdd4f38ad8c9644f6321b4746e18e121Karl Beldan if (supp_vht) 921ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela local->scan_ies_len += 922d4950281d72d8845225e3a39dbeb366c40c824c9Mahesh Palivela 2 + sizeof(struct ieee80211_vht_cap); 923ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela 924de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 925de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 926de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 927de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 928de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 929de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 930de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 931de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 932de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 933de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 934de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 935de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 936de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 937de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 938de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 939de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 9402475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov WARN_ON(!ieee80211_cs_list_valid(local->hw.cipher_schemes, 9412475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.n_cipher_schemes)); 9422475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 9432475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov result = ieee80211_init_cipher_suites(local); 9442475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (result < 0) 9452475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov goto fail_wiphy_register; 94625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 94721f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg if (!local->ops->remain_on_channel) 94821f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg local->hw.wiphy->max_remain_on_channel_duration = 5000; 949a293911d4fd5e8593dbf478399a77f990d466269Johannes Berg 950dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov /* mac80211 based drivers don't support internal TDLS setup */ 951dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov if (local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) 952dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov local->hw.wiphy->flags |= WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 953dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov 954f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 955f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 9562a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 957f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 958e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 959e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 960e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 961e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 962e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 963e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 964e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 96542935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 966d8537548c924db3c44afde7646b6e220c7beb79dKees Cook alloc_ordered_workqueue("%s", 0, wiphy_name(local->hw.wiphy)); 96742935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 968f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 969f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 970f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 971f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 972b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 973b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 974b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 975b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 976b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 97733ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 978a2fe81667410723d941a688e1958a49d67ca3346Helmut Schaa IEEE80211_TX_STATUS_HEADROOM); 979b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 980e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 981e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 982b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 983b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 984b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 985b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 986ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 987b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 988ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 989ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 990ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 991ff61638105db6f5832ef8700436ba6aa6d3a2fdaJuuso Oikarinen local->dynamic_ps_forced_timeout = -1; 992195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 993d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 9943473187d2459a078e00e5fac8aafc30af69c57faJohn W. Linville if (result < 0) 9950fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", 9960fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches result); 997d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 998b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan ieee80211_led_init(local); 999b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan 1000f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 1001f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1002830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 1003830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 1004f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 10050fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, 10060fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to initialize rate control algorithm\n"); 1007f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 1008f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 1009f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 10108dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 10118dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 10128dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 10138dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 10148dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 10150fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, 10160fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to add default virtual iface\n"); 10178dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 1018f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1019f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1020f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 102110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 102210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 102310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 102410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 102510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 102610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 102710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 102810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 102910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 103026b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 10312b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 10322b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 10332b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 10342b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 103526b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 10362b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 1037a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1038a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg local->ifa6_notifier.notifier_call = ieee80211_ifa6_changed; 1039a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg result = register_inet6addr_notifier(&local->ifa6_notifier); 1040a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg if (result) 1041a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg goto fail_ifa6; 1042a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1043a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 1044f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 1045f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1046a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1047a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg fail_ifa6: 104893c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#ifdef CONFIG_INET 1049a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unregister_inetaddr_notifier(&local->ifa_notifier); 1050a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1051a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1052a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if defined(CONFIG_INET) || defined(CONFIG_IPV6) 10532b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 10542b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 10552b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 10562b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 105793c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#endif 105810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 105910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 106010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 106110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 1062f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1063d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 1064f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 106542935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 106610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 1067f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 106810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 10693ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 10703ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 107111ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 1072f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 1073f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1074f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 1075f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1076f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 1077f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1078f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1079f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1080f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 1081f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 1082f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 108310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 108410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 108526b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 10862b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 108726b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 1088a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1089a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unregister_inet6addr_notifier(&local->ifa6_notifier); 1090a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 109110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 1092f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 1093f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 109479010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 109579010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 109679010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 109779010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 109879010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 109975636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 11005b2812e925c8e976852867f8d760637c5926d817Johannes Berg 1101f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1102f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1103258086a48b766d12a500f98834654ffa927ca475Christian Lamparter cancel_work_sync(&local->restart_work); 11043ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 11053ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 1106f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 1107f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 1108f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1109f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 1110f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 11110fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); 1112f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 1113f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 1114f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 111542935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 1116f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 1117ecb4433550f0620f3d1471ae7099037ede30a91eStanislaw Gruszka sta_info_stop(local); 1118f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 1119f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 11205ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 1121f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1122f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 1123f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1124a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Bergstatic int ieee80211_free_ack_frame(int id, void *p, void *data) 1125a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg{ 1126a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg WARN_ONCE(1, "Have pending ack frames!\n"); 1127a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg kfree_skb(p); 1128a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg return 0; 1129a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg} 1130a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1131f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 1132f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1133f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1134f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1135c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 1136a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_destroy(&local->mtx); 1137c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 11383ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 11393ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 11403ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 1141a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_for_each(&local->ack_status_frames, 1142a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg ieee80211_free_ack_frame, NULL); 1143a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_destroy(&local->ack_status_frames); 1144a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1145f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 1146f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1147f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 1148f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1149f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 1150f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1151f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 1152f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 1153f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1154e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 1155e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 1156c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 1157f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1158cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 1159cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 1160cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 1161cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 1162ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 1163ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 1164ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 1165ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 11664b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg ret = rc80211_pid_init(); 1167ad01837593338f13508463fa11c8dbf8109a1e5dMattias Nissler if (ret) 116847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_pid; 1169f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 117047846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 117147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 117247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 1173e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 1174f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 117547846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 117647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_pid_exit(); 117747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_pid: 1178ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1179ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 118047846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 118147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 118247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 1183f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1184f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1185f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 1186f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 11874b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg rc80211_pid_exit(); 1188ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1189cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 1190ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 1191bf7cd94dcc71682cd6af4a9028f95307b7db41c5Johannes Berg ieee80211s_stop(); 1192902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 119347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 1194d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg 1195d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg rcu_barrier(); 1196f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1197f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1198f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1199ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 1200f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 1201f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1202f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 1203f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 1204