main.c revision 8bd811aa6c407a8a4712d7142fb9909f1b2a5fa4
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 253d43c6b6e6f2fcaebf198c499716e5e24d878fdd2David Spinadel WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 254d43c6b6e6f2fcaebf198c499716e5e24d878fdd2David Spinadel "%s called with hardware scan in progress\n", __func__); 255bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 256f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 2574136c4224ccf1907d309e1cdfaefef9da97dbc5eStanislaw Gruszka ieee80211_scan_cancel(local); 258f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 259f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 260f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 261f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 262f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 263f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 264f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 265f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 266b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 267b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 268b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch wiphy_info(hw->wiphy, 269b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch "Hardware restart was requested\n"); 270b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch 27118145c69349f2ab60c470798f83b3a2639e2a8d9John W. Linville /* use this reason, ieee80211_reconfig will unblock it */ 272445ea4e83ec50668cc9ad7e5cf96d242f19165e8Johannes Berg ieee80211_stop_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP, 273445ea4e83ec50668cc9ad7e5cf96d242f19165e8Johannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND); 274f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 27504800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov /* 27604800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * Stop all Rx during the reconfig. We don't want state changes 27704800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * or driver callbacks while this is in progress. 27804800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov */ 27904800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov local->in_reconfig = true; 28004800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov barrier(); 28104800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov 282f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg schedule_work(&local->restart_work); 283f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 284f2753ddbadb0873a98421415882318251bbd9eaaJohannes BergEXPORT_SYMBOL(ieee80211_restart_hw); 285f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 28626b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 2872b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenstatic int ieee80211_ifa_changed(struct notifier_block *nb, 2882b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unsigned long data, void *arg) 2892b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 2902b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_ifaddr *ifa = arg; 2912b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_local *local = 2922b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen container_of(nb, struct ieee80211_local, 2932b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifa_notifier); 2942b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct net_device *ndev = ifa->ifa_dev->dev; 2952b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct wireless_dev *wdev = ndev->ieee80211_ptr; 296685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct in_device *idev; 2972b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_sub_if_data *sdata; 298685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct ieee80211_bss_conf *bss_conf; 2992b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_if_managed *ifmgd; 300685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen int c = 0; 3012b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3022b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* Make sure it's our interface that got changed */ 3032b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!wdev) 3042b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3052b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3062b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (wdev->wiphy != local->hw.wiphy) 3072b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3082b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3092b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 310685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf = &sdata->vif.bss_conf; 3112b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3122b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* ARP filtering is only supported in managed mode */ 3132b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (sdata->vif.type != NL80211_IFTYPE_STATION) 3142b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3152b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 31695ae6b228f814fc0528d0506ee9f18ac333d6851Eric Dumazet idev = __in_dev_get_rtnl(sdata->dev); 317685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (!idev) 318685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen return NOTIFY_DONE; 319685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 3202b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifmgd = &sdata->u.mgd; 3218d61ffa5e01c5f676431d12caba17db164a48a86Johannes Berg sdata_lock(sdata); 322685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 323685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Copy the addresses to the bss_conf list */ 324685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = idev->ifa_list; 3250f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg while (ifa) { 3260f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg if (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN) 3270f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg bss_conf->arp_addr_list[c] = ifa->ifa_address; 328685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = ifa->ifa_next; 329685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c++; 330685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 331685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 332685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_cnt = c; 333685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 33453d69c399abf3b382c1e737ff9402d31ca5a7a51Eliad Peller /* Configure driver only if associated (which also implies it is up) */ 3350f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg if (ifmgd->associated) 336685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ieee80211_bss_info_change_notify(sdata, 337685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen BSS_CHANGED_ARP_FILTER); 338685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 3398d61ffa5e01c5f676431d12caba17db164a48a86Johannes Berg sdata_unlock(sdata); 3402b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3418bd811aa6c407a8a4712d7142fb9909f1b2a5fa4Zhao, Gang return NOTIFY_OK; 3422b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 34326b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 3442b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 345a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 346a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Bergstatic int ieee80211_ifa6_changed(struct notifier_block *nb, 347a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unsigned long data, void *arg) 348a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg{ 349a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)arg; 350a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct inet6_dev *idev = ifa->idev; 351a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct net_device *ndev = ifa->idev->dev; 352a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct ieee80211_local *local = 353a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg container_of(nb, struct ieee80211_local, ifa6_notifier); 354a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct wireless_dev *wdev = ndev->ieee80211_ptr; 355a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct ieee80211_sub_if_data *sdata; 356a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 357a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg /* Make sure it's our interface that got changed */ 358a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg if (!wdev || wdev->wiphy != local->hw.wiphy) 359a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg return NOTIFY_DONE; 360a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 361a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 362a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 363a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg /* 364a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg * For now only support station mode. This is mostly because 365a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg * doing AP would have to handle AP_VLAN in some way ... 366a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg */ 367a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg if (sdata->vif.type != NL80211_IFTYPE_STATION) 368a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg return NOTIFY_DONE; 369a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 370a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg drv_ipv6_addr_change(local, sdata, idev); 371a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 3728bd811aa6c407a8a4712d7142fb9909f1b2a5fa4Zhao, Gang return NOTIFY_OK; 373a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg} 374a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 375a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 3762e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg/* There isn't a lot of sense in it, but you can transmit anything you like */ 3772e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergstatic const struct ieee80211_txrx_stypes 3782e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { 3792e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_ADHOC] = { 3802e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 3813bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3823bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins BIT(IEEE80211_STYPE_AUTH >> 4) | 38341e31b8b902397d5d507b275050fcbe8adaf4ff4Antonio Quartulli BIT(IEEE80211_STYPE_DEAUTH >> 4) | 38441e31b8b902397d5d507b275050fcbe8adaf4ff4Antonio Quartulli BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 3852e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 3862e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_STATION] = { 3872e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 3882e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 3892e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 3902e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 3912e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP] = { 3922e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 3932e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 3942e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 3952e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 3962e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 3972e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 3982e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 3992e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4002e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4012e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP_VLAN] = { 4022e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg /* copy AP */ 4032e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4042e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4052e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4062e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4072e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4082e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4092e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4102ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4112ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4122ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_CLIENT] = { 4132ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4142ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4152ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4162ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4172ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_GO] = { 4182ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4192ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4202ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4212ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4222e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4232e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4242e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4252e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4262e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 427c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona [NL80211_IFTYPE_MESH_POINT] = { 428c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona .tx = 0xffff, 42971839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 43071839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_AUTH >> 4) | 43171839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_DEAUTH >> 4), 432c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona }, 433f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg [NL80211_IFTYPE_P2P_DEVICE] = { 434f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg .tx = 0xffff, 435f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 436f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 437f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg }, 4382e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg}; 4392e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 440ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greearstatic const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = { 441ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .ampdu_params_info = IEEE80211_HT_AMPDU_PARM_FACTOR | 442ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_AMPDU_PARM_DENSITY, 443ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 444ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 445ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_MAX_AMSDU | 446bc0784d951470ca6597239f1bae6e59caf49fb10Ben Greear IEEE80211_HT_CAP_SGI_20 | 447a2e7495d639baeb4692ae80539963cf35dbcb467Pawel Kulakowski IEEE80211_HT_CAP_SGI_40 | 4489a07bf507dfc5402e63d96596341f2a15e4142c7Jouni Malinen IEEE80211_HT_CAP_LDPC_CODING | 4499a07bf507dfc5402e63d96596341f2a15e4142c7Jouni Malinen IEEE80211_HT_CAP_40MHZ_INTOLERANT), 450ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .mcs = { 451ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff, 452ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 0xff, 0xff, 0xff, 0xff, 0xff, }, 453ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear }, 454ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear}; 455ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 456dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Bergstatic const struct ieee80211_vht_cap mac80211_vht_capa_mod_mask = { 457dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .vht_cap_info = 458dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC | 459dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SHORT_GI_80 | 460dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SHORT_GI_160 | 461dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_1 | 462dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_2 | 463dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_3 | 464dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RXSTBC_4 | 465dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_TXSTBC | 466dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | 467dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | 468dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN | 469dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN | 470dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK), 471dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .supp_mcs = { 472dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .rx_mcs_map = cpu_to_le16(~0), 473dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg .tx_mcs_map = cpu_to_le16(~0), 474dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg }, 475dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg}; 476dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg 477c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Bergstatic const u8 extended_capabilities[] = { 478c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg 0, 0, 0, 0, 0, 0, 0, 479c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg WLAN_EXT_CAPA8_OPMODE_NOTIF, 480c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg}; 481c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg 482f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 483f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 484f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 485f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 48696f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 487f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 488fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg bool use_chanctx; 489f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 490c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config || 491c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->add_interface || !ops->remove_interface || 492c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->configure_filter)) 493c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg return NULL; 494c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg 495f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove))) 496f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg return NULL; 497f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg 498e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg /* check all or no channel context operations exist */ 499e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg i = !!ops->add_chanctx + !!ops->remove_chanctx + 500e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->change_chanctx + !!ops->assign_vif_chanctx + 501e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->unassign_vif_chanctx; 502e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg if (WARN_ON(i != 0 && i != 5)) 503e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg return NULL; 504fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg use_chanctx = i == 5; 505e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg 506f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 507f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 508f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 509f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 510f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 511f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 512f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 513f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 514f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 515f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 516f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 517f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 518f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 519f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 520f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 5211ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 522f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 523f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 524f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 525f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 526f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 527f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5282e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; 5292e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 530207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->privid = mac80211_wiphy_privid; 531207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 5329bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 5339bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 534ee971924543fe82f279d3e97f6f6d02320b381b7Johannes Berg WIPHY_FLAG_4ADDR_STATION | 5357c4ef7122cef54dc49562eea35cbfaf0f44faa0bJohannes Berg WIPHY_FLAG_REPORTS_OBSS | 53681ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg WIPHY_FLAG_OFFCHAN_TX; 53781ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg 538c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg wiphy->extended_capabilities = extended_capabilities; 539c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg wiphy->extended_capabilities_mask = extended_capabilities; 540c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg wiphy->extended_capabilities_len = ARRAY_SIZE(extended_capabilities); 541c6f9d6c3bdeb337809d667ef2a41597229a1ce57Johannes Berg 54281ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg if (ops->remain_on_channel) 54381ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 544207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 545b292219fa5061e2657ecf518b48426913d0ddae6Johannes Berg wiphy->features |= NL80211_FEATURE_SK_TX_STATUS | 546b292219fa5061e2657ecf518b48426913d0ddae6Johannes Berg NL80211_FEATURE_SAE | 5471ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg NL80211_FEATURE_HT_IBSS | 548a6dad6a26e15f2f9269eea41b756c8cf0971b2bcThomas Pedersen NL80211_FEATURE_VIF_TXPOWER | 549a6dad6a26e15f2f9269eea41b756c8cf0971b2bcThomas Pedersen NL80211_FEATURE_USERSPACE_MPM; 550a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 551cd2bb512cda58f1efb922ad6dc29013ea5d5d9d0Sam Leffler if (!ops->hw_scan) 5525c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN | 5535c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli NL80211_FEATURE_AP_SCAN; 5545c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli 555cd2bb512cda58f1efb922ad6dc29013ea5d5d9d0Sam Leffler 556207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg if (!ops->set_key) 557207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 55818a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 5590c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 560f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 561f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 562de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 563f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 564f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5651ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 566f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 567f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 568fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg local->use_chanctx = use_chanctx; 569f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 570e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 571e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 572e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 57378be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa local->hw.max_report_rates = 0; 574df6ba5d80d6c9b51471d5fa046c3c06988e5f62aLuciano Coelho local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 57539e68712d75700ec09770c7ad9e8e4abc65db7c6Helmut Schaa local->hw.max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 5763a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue = IEEE80211_INVAL_HW_QUEUE; 577b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 578b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 579ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg local->hw.radiotap_mcs_details = IEEE80211_RADIOTAP_MCS_HAVE_MCS | 580ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_GI | 581ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_BW; 5825164892184d1b9ce19e45e97e9ca405ea8b9ceb2Johannes Berg local->hw.radiotap_vht_details = IEEE80211_RADIOTAP_VHT_KNOWN_GI | 5835164892184d1b9ce19e45e97e9ca405ea8b9ceb2Johannes Berg IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH; 584219c38674c262378ec411dd8318ebfd199fbce8dAlexander Bondar local->hw.uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; 585219c38674c262378ec411dd8318ebfd199fbce8dAlexander Bondar local->hw.uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; 5861ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 587ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask; 588dd5ecfeac8d1a96d0aba6bbcaec431756f8d8854Johannes Berg wiphy->vht_capa_mod_mask = &mac80211_vht_capa_mod_mask; 589f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 59079010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 5912f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 5922f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 5932f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 594c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 595a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_init(&local->mtx); 596f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 597ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 5983b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 599f9e124fbd8cbea974b5dc7e9dafddd17d21df7e2Christian Lamparter spin_lock_init(&local->rx_path_lock); 600ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 601ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 602d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior INIT_LIST_HEAD(&local->chanctx_list); 603d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior mutex_init(&local->chanctx_mtx); 604d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior 605c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 606f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 607f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 608f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 609164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich INIT_WORK(&local->radar_detected_work, 610164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich ieee80211_dfs_radar_detected_work); 611164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 6123ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 6130f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 6143ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 615520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 616520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 617520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 618520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 619520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 620520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 621520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 62285a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho INIT_WORK(&local->sched_scan_stopped_work, 62385a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho ieee80211_sched_scan_stopped_work); 62485a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho 625a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg spin_lock_init(&local->ack_status_lock); 626a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_init(&local->ack_status_frames); 627a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 628f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 629f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 630a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 6312a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 632a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg atomic_set(&local->agg_queue_stop[i], 0); 633a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg } 634f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 635f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 636f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 637f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 638f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 639f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 640f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 641f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 642f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 643f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 644fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg ieee80211_led_names(local); 645fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg 6462eb278e083549f4eb29838037004054b3b55df62Johannes Berg ieee80211_roc_setup(local); 64721f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg 648005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg return &local->hw; 649f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 650f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 651f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6522475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanovstatic int ieee80211_init_cipher_suites(struct ieee80211_local *local) 653f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 6542475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov bool have_wep = !(IS_ERR(local->wep_tx_tfm) || 6552475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov IS_ERR(local->wep_rx_tfm)); 6562475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov bool have_mfp = local->hw.flags & IEEE80211_HW_MFP_CAPABLE; 6572475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov const struct ieee80211_cipher_scheme *cs = local->hw.cipher_schemes; 6582475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov int n_suites = 0, r = 0, w = 0; 6592475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov u32 *suites; 66025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 6615daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg /* keep WEP first, it may be removed below */ 66225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 66325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 66425e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 66525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 66625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 66725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 66825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 66925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 6708318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 6712475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* Driver specifies the ciphers, we have nothing to do... */ 6722475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (local->hw.wiphy->cipher_suites && have_wep) 6732475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return 0; 6742475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6752475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* Set up cipher suites if driver relies on mac80211 cipher defs */ 6762475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!local->hw.wiphy->cipher_suites && !cs) { 6772475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->cipher_suites = cipher_suites; 6782475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 6792475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6802475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!have_mfp) 6812475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites--; 6822475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6832475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!have_wep) { 6842475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->cipher_suites += 2; 6852475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites -= 2; 6862475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 6872475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6882475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return 0; 6892475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 6902475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6912475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!local->hw.wiphy->cipher_suites) { 6922475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* 6932475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov * Driver specifies cipher schemes only 6942475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov * We start counting ciphers defined by schemes, TKIP and CCMP 6952475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov */ 6962475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov n_suites = local->hw.n_cipher_schemes + 2; 6972475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 6982475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* check if we have WEP40 and WEP104 */ 6992475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_wep) 7002475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov n_suites += 2; 7012475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7022475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* check if we have AES_CMAC */ 7032475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_mfp) 7042475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov n_suites++; 7052475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7062475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites = kmalloc(sizeof(u32) * n_suites, GFP_KERNEL); 7072475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!suites) 7082475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return -ENOMEM; 7092475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7102475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_CCMP; 7112475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_TKIP; 7122475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7132475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_wep) { 7142475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_WEP40; 7152475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_WEP104; 7162475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 7172475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7182475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (have_mfp) 7192475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = WLAN_CIPHER_SUITE_AES_CMAC; 7202475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7212475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov for (r = 0; r < local->hw.n_cipher_schemes; r++) 7222475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = cs[r].cipher; 7232475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } else { 7242475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov /* Driver provides cipher suites, but we need to exclude WEP */ 7252475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites = kmemdup(local->hw.wiphy->cipher_suites, 7262475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov sizeof(u32) * local->hw.wiphy->n_cipher_suites, 7272475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov GFP_KERNEL); 7282475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (!suites) 7292475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return -ENOMEM; 7302475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7312475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) { 7322475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov u32 suite = local->hw.wiphy->cipher_suites[r]; 7332475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7342475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (suite == WLAN_CIPHER_SUITE_WEP40 || 7352475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suite == WLAN_CIPHER_SUITE_WEP104) 7362475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov continue; 7372475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov suites[w++] = suite; 7382475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 7392475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov } 7402475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7412475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->cipher_suites = suites; 7422475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.wiphy->n_cipher_suites = w; 7432475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->wiphy_ciphers_allocated = true; 7442475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7452475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov return 0; 7462475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov} 7472475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7482475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanovint ieee80211_register_hw(struct ieee80211_hw *hw) 7492475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov{ 7502475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov struct ieee80211_local *local = hw_to_local(hw); 7512475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov int result, i; 7522475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov enum ieee80211_band band; 7532475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov int channels, max_bitrates; 7542475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov bool supp_ht, supp_vht; 7552475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov netdev_features_t feature_whitelist; 7562475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov struct cfg80211_chan_def dflt_chandef = {}; 7572475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 7583a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg if (hw->flags & IEEE80211_HW_QUEUE_CONTROL && 7593a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg (local->hw.offchannel_tx_hw_queue == IEEE80211_INVAL_HW_QUEUE || 7603a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue >= local->hw.queues)) 7613a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg return -EINVAL; 7623a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg 76338bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger#ifdef CONFIG_PM 764964dc9e2c3aaccacacd40640964a58544fb5769aJohannes Berg if (hw->wiphy->wowlan && (!local->ops->suspend || !local->ops->resume)) 765eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg return -EINVAL; 766dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg#endif 767eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg 768fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (!local->use_chanctx) { 769fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { 770fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg const struct ieee80211_iface_combination *comb; 771fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 772fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg comb = &local->hw.wiphy->iface_combinations[i]; 773fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 774fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (comb->num_different_channels > 1) 775fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg return -EINVAL; 776fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg } 777746a336582a7e05082ab4efbb43f5357858f629aJohannes Berg } else { 778fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg /* 779fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * WDS is currently prohibited when channel contexts are used 780fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * because there's no clear definition of which channel WDS 781fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * type interfaces use 782fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg */ 783fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_WDS)) 784fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg return -EINVAL; 785164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 786164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich /* DFS currently not supported with channel context drivers */ 787164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { 788164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich const struct ieee80211_iface_combination *comb; 789164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 790164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich comb = &local->hw.wiphy->iface_combinations[i]; 791164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich 792164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich if (comb->radar_detect_widths) 793164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich return -EINVAL; 794164eb02d070af987890e1db1c12b8ae0394b19f7Simon Wunderlich } 795fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg } 796fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 79772d7872852e1734e94686012a2e9deade3457329Arik Nemtsov /* Only HW csum features are currently compatible with mac80211 */ 79872d7872852e1734e94686012a2e9deade3457329Arik Nemtsov feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | 79972d7872852e1734e94686012a2e9deade3457329Arik Nemtsov NETIF_F_HW_CSUM; 80072d7872852e1734e94686012a2e9deade3457329Arik Nemtsov if (WARN_ON(hw->netdev_features & ~feature_whitelist)) 80172d7872852e1734e94686012a2e9deade3457329Arik Nemtsov return -EINVAL; 80272d7872852e1734e94686012a2e9deade3457329Arik Nemtsov 80378be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa if (hw->max_report_rates == 0) 80478be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa hw->max_report_rates = hw->max_rates; 80578be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa 80604ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains = 1; 80704ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 8088318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 8098318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 8108318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 8118318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 8128318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 8132a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 814de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 8155ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 816ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = false; 8178318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 8188318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 8198318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 8208318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 821de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 822de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 823fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan 824fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan if (!dflt_chandef.chan) { 825fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan cfg80211_chandef_create(&dflt_chandef, 826fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan &sband->channels[0], 827fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan NL80211_CHAN_NO_HT); 8288318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 829fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan if (!local->use_chanctx && !local->_oper_chandef.chan) { 830fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan local->hw.conf.chandef = dflt_chandef; 831fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan local->_oper_chandef = dflt_chandef; 832fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan } 833fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan local->monitor_chandef = dflt_chandef; 8348318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 835fffa4b1c170a3cabc58671495b0ae89ded007199Karl Beldan 836de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 837de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 838de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 839de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 8405ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 841ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = supp_vht || sband->vht_cap.vht_supported; 84204ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 84304ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg if (sband->ht_cap.ht_supported) 84404ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains = 84504ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg max(ieee80211_mcs_to_chains(&sband->ht_cap.mcs), 84604ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains); 84704ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 84804ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg /* TODO: consider VHT for RX chains, hopefully it's the same */ 8498318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 850f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 851f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 8527527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { 8537527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 8547527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN); 8557527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg } 856f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 857f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 8587527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 8597527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR); 8607527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg 86155de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg /* mac80211 doesn't support more than one IBSS interface right now */ 8628e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (i = 0; i < hw->wiphy->n_iface_combinations; i++) { 8638e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg const struct ieee80211_iface_combination *c; 8648e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg int j; 8658e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8668e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c = &hw->wiphy->iface_combinations[i]; 8678e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8688e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (j = 0; j < c->n_limits; j++) 8698e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg if ((c->limits[j].types & BIT(NL80211_IFTYPE_ADHOC)) && 8708e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c->limits[j].max > 1) 8718e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg return -EINVAL; 8728e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg } 8738e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8745b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 8755b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg sizeof(void *) * channels, GFP_KERNEL); 8765b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg if (!local->int_scan_req) 8775b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg return -ENOMEM; 8785b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg 8795b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 8805b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg if (!local->hw.wiphy->bands[band]) 8815b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg continue; 8825b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg local->int_scan_req->rates[band] = (u32) -1; 8835b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg } 8845b0ec94f9cfdcd10f6eb4df75fba9404c72fea4dJohannes Berg 8855eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#ifndef CONFIG_MAC80211_MESH 8865eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg /* mesh depends on Kconfig, but drivers should set it if they want */ 8875eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT); 8885eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#endif 8895eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg 8901570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona /* if the underlying driver supports mesh, mac80211 will (at least) 8911570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona * provide routing of mesh authentication frames to userspace */ 8921570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT)) 8931570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona local->hw.wiphy->flags |= WIPHY_FLAG_MESH_AUTH; 8941570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona 895a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg /* mac80211 supports control port protocol changing */ 896a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL; 897a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg 89852512072738c851896c8bfa31938eba1e9b9bc62andrea merello if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) { 89977965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 90052512072738c851896c8bfa31938eba1e9b9bc62andrea merello } else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) { 90177965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 90252512072738c851896c8bfa31938eba1e9b9bc62andrea merello if (hw->max_signal <= 0) { 90352512072738c851896c8bfa31938eba1e9b9bc62andrea merello result = -EINVAL; 90452512072738c851896c8bfa31938eba1e9b9bc62andrea merello goto fail_wiphy_register; 90552512072738c851896c8bfa31938eba1e9b9bc62andrea merello } 90652512072738c851896c8bfa31938eba1e9b9bc62andrea merello } 90777965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 908ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 909ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 910ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 911ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 912de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 913de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 914de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 915dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen * includes the DS Params, (extended) supported rates, and HT 916de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 917de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 918dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ + 919dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen 3 /* DS Params */; 9205ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 9215ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 922de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 923d0e6c21acdd4f38ad8c9644f6321b4746e18e121Karl Beldan if (supp_vht) 924ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela local->scan_ies_len += 925d4950281d72d8845225e3a39dbeb366c40c824c9Mahesh Palivela 2 + sizeof(struct ieee80211_vht_cap); 926ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela 927de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 928de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 929de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 930de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 931de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 932de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 933de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 934de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 935de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 936de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 937de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 938de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 939de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 940de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 941de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 942de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 9432475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov WARN_ON(!ieee80211_cs_list_valid(local->hw.cipher_schemes, 9442475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov local->hw.n_cipher_schemes)); 9452475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov 9462475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov result = ieee80211_init_cipher_suites(local); 9472475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov if (result < 0) 9482475b1cc0d5283a33144b79f3eba6d401d873962Max Stepanov goto fail_wiphy_register; 94925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 95021f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg if (!local->ops->remain_on_channel) 95121f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg local->hw.wiphy->max_remain_on_channel_duration = 5000; 952a293911d4fd5e8593dbf478399a77f990d466269Johannes Berg 953dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov /* mac80211 based drivers don't support internal TDLS setup */ 954dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov if (local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) 955dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov local->hw.wiphy->flags |= WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 956dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov 957f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 958f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 9592a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 960f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 961e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 962e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 963e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 964e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 965e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 966e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 967e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 96842935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 969d8537548c924db3c44afde7646b6e220c7beb79dKees Cook alloc_ordered_workqueue("%s", 0, wiphy_name(local->hw.wiphy)); 97042935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 971f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 972f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 973f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 974f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 975b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 976b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 977b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 978b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 979b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 98033ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 981a2fe81667410723d941a688e1958a49d67ca3346Helmut Schaa IEEE80211_TX_STATUS_HEADROOM); 982b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 983e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 984e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 985b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 986b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 987b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 988b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 989ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 990b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 991ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 992ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 993ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 994ff61638105db6f5832ef8700436ba6aa6d3a2fdaJuuso Oikarinen local->dynamic_ps_forced_timeout = -1; 995195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 996d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 9973473187d2459a078e00e5fac8aafc30af69c57faJohn W. Linville if (result < 0) 9980fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", 9990fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches result); 1000d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 100124d47300d118c5909a51b7270276d749cce150a2Karl Beldan local->hw.conf.flags = IEEE80211_CONF_IDLE; 100224d47300d118c5909a51b7270276d749cce150a2Karl Beldan 1003b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan ieee80211_led_init(local); 1004b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan 1005f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 1006f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1007830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 1008830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 1009f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 10100fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, 10110fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to initialize rate control algorithm\n"); 1012f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 1013f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 1014f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 10158dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 10168dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 10178dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 10188dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 10198dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 10200fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, 10210fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to add default virtual iface\n"); 10228dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 1023f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1024f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1025f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 102610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 102710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 102810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 102910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 103010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 103110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 103210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 103310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 103410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 103526b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 10362b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 10372b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 10382b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 10392b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 104026b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 10412b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 1042a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1043a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg local->ifa6_notifier.notifier_call = ieee80211_ifa6_changed; 1044a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg result = register_inet6addr_notifier(&local->ifa6_notifier); 1045a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg if (result) 1046a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg goto fail_ifa6; 1047a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1048a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 1049f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 1050f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1051a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1052a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg fail_ifa6: 105393c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#ifdef CONFIG_INET 1054a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unregister_inetaddr_notifier(&local->ifa_notifier); 1055a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1056a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1057a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if defined(CONFIG_INET) || defined(CONFIG_IPV6) 10582b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 10592b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 10602b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 10612b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 106293c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#endif 106310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 106410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 106510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 106610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 1067f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1068d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 1069f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 107042935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 107110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 1072f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 107310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 10743ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 10753ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 107611ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 1077f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 1078f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1079f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 1080f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 108106d181a8fd58031db9c114d920b40d8820380a6eJohannes Bergvoid ieee80211_napi_add(struct ieee80211_hw *hw, struct napi_struct *napi, 108206d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg struct net_device *napi_dev, 108306d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg int (*poll)(struct napi_struct *, int), 108406d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg int weight) 108506d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg{ 108606d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 108706d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg 108806d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg netif_napi_add(napi_dev, napi, poll, weight); 108906d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg local->napi = napi; 109006d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg} 109106d181a8fd58031db9c114d920b40d8820380a6eJohannes BergEXPORT_SYMBOL_GPL(ieee80211_napi_add); 109206d181a8fd58031db9c114d920b40d8820380a6eJohannes Berg 1093f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 1094f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1095f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1096f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1097f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 1098f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 1099f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 110010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 110110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 110226b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 11032b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 110426b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 1105a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1106a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unregister_inet6addr_notifier(&local->ifa6_notifier); 1107a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 110810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 1109f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 1110f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 111179010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 111279010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 111379010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 111479010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 111579010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 111675636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 11175b2812e925c8e976852867f8d760637c5926d817Johannes Berg 1118f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1119f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1120258086a48b766d12a500f98834654ffa927ca475Christian Lamparter cancel_work_sync(&local->restart_work); 11213ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 112218db594a1005d908d995a2fc8f5a7bf4286fdca0Johannes Berg flush_work(&local->sched_scan_stopped_work); 11233ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 1124f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 1125f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 1126f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1127f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 1128f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 11290fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); 1130f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 1131f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 1132f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 113342935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 1134f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 1135ecb4433550f0620f3d1471ae7099037ede30a91eStanislaw Gruszka sta_info_stop(local); 1136f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 1137f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 11385ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 1139f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1140f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 1141f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1142a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Bergstatic int ieee80211_free_ack_frame(int id, void *p, void *data) 1143a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg{ 1144a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg WARN_ONCE(1, "Have pending ack frames!\n"); 1145a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg kfree_skb(p); 1146a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg return 0; 1147a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg} 1148a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1149f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 1150f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1151f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1152f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1153c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 1154a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_destroy(&local->mtx); 1155c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 11563ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 11573ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 11583ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 1159a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_for_each(&local->ack_status_frames, 1160a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg ieee80211_free_ack_frame, NULL); 1161a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_destroy(&local->ack_status_frames); 1162a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1163ad38bfc916da6aee9160bfa5335aed8d6c190e39Matti Gottlieb kfree(rcu_access_pointer(local->tx_latency)); 1164ad38bfc916da6aee9160bfa5335aed8d6c190e39Matti Gottlieb 1165f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 1166f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1167f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 1168f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1169f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 1170f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1171f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 1172f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 1173f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1174e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 1175e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 1176c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 1177f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1178cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 1179cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 1180cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 1181cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 1182ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 1183ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 1184ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 1185ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 11864b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg ret = rc80211_pid_init(); 1187ad01837593338f13508463fa11c8dbf8109a1e5dMattias Nissler if (ret) 118847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_pid; 1189f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 119047846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 119147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 119247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 1193e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 1194f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 119547846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 119647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_pid_exit(); 119747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_pid: 1198ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1199ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 120047846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 120147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 120247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 1203f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1204f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1205f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 1206f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 12074b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg rc80211_pid_exit(); 1208ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1209cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 1210ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 1211bf7cd94dcc71682cd6af4a9028f95307b7db41c5Johannes Berg ieee80211s_stop(); 1212902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 121347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 1214d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg 1215d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg rcu_barrier(); 1216f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1217f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1218f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1219ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 1220f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 1221f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1222f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 1223f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 1224