main.c revision f9e124fbd8cbea974b5dc7e9dafddd17d21df7e2
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; 985e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka struct ieee80211_channel *chan; 9955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg u32 changed = 0; 100e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg int power; 101094d05dc32fc2930e381189a942016e5561775d9Sujith enum nl80211_channel_type channel_type; 102ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau u32 offchannel_flag; 1031ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg bool scanning = false; 104f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 105ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 1065e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka if (local->scan_channel) { 1075e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka chan = local->scan_channel; 1084f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear /* If scanning on oper channel, use whatever channel-type 1094f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear * is currently in use. 1104f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear */ 11155de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (chan == local->_oper_channel) 1124f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear channel_type = local->_oper_channel_type; 1134f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear else 1144f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear channel_type = NL80211_CHAN_NO_HT; 115b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear } else if (local->tmp_channel) { 1165e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka chan = local->tmp_channel; 11742d97a599eb6b2aab3a401b3e5799a399d6c7652Johannes Berg channel_type = NL80211_CHAN_NO_HT; 11872bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } else { 11955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg chan = local->_oper_channel; 1200aaffa9b9699894aab3266195a529baf9f96ac29Johannes Berg channel_type = local->_oper_channel_type; 12172bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } 122b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear 12355de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (chan != local->_oper_channel || 124b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear channel_type != local->_oper_channel_type) 125b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; 126b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear else 127b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL; 128b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear 129ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 130f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 131ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau if (offchannel_flag || chan != local->hw.conf.channel || 1324797938c5dfa22af30fd16679192972f878419a1Johannes Berg channel_type != local->hw.conf.channel_type) { 133e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.channel = chan; 1344797938c5dfa22af30fd16679192972f878419a1Johannes Berg local->hw.conf.channel_type = channel_type; 135e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_CHANNEL; 136e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 1378318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 1380f78231bffb868a30e8533aace142213266bb811Johannes Berg if (!conf_is_ht(&local->hw.conf)) { 1390f78231bffb868a30e8533aace142213266bb811Johannes Berg /* 1400f78231bffb868a30e8533aace142213266bb811Johannes Berg * mac80211.h documents that this is only valid 1410f78231bffb868a30e8533aace142213266bb811Johannes Berg * when the channel is set to an HT type, and 1420f78231bffb868a30e8533aace142213266bb811Johannes Berg * that otherwise STATIC is used. 1430f78231bffb868a30e8533aace142213266bb811Johannes Berg */ 1440f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC; 1450f78231bffb868a30e8533aace142213266bb811Johannes Berg } else if (local->hw.conf.smps_mode != local->smps_mode) { 1460f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = local->smps_mode; 1470f78231bffb868a30e8533aace142213266bb811Johannes Berg changed |= IEEE80211_CONF_CHANGE_SMPS; 1480f78231bffb868a30e8533aace142213266bb811Johannes Berg } 1490f78231bffb868a30e8533aace142213266bb811Johannes Berg 1501ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg scanning = test_bit(SCAN_SW_SCANNING, &local->scanning) || 1511ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) || 1521ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg test_bit(SCAN_HW_SCANNING, &local->scanning); 1531ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg power = chan->max_power; 154a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 1551ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg rcu_read_lock(); 1561ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg list_for_each_entry_rcu(sdata, &local->interfaces, list) { 1571ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg if (!rcu_access_pointer(sdata->vif.chanctx_conf)) 1581ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg continue; 1591ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg power = min(power, sdata->vif.bss_conf.txpower); 1601ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg } 1611ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg rcu_read_unlock(); 162a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 163e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (local->hw.conf.power_level != power) { 164e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_POWER; 165e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.power_level = power; 166e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 167b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg 16855de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg return changed; 16955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg} 17055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 17155de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Bergint ieee80211_hw_config(struct ieee80211_local *local, u32 changed) 17255de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg{ 17355de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg int ret = 0; 17455de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 17555de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg might_sleep(); 17655de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 17755de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (!local->use_chanctx) 17855de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg changed |= ieee80211_hw_conf_chan(local); 17955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg else 18055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg changed &= ~(IEEE80211_CONF_CHANGE_CHANNEL | 18155de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg IEEE80211_CONF_CHANGE_POWER); 18255de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 183e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (changed && local->open_count) { 1842448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg ret = drv_config(local, changed); 185d73782fdde76554016abf73b46f843b29f520848Johannes Berg /* 186447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Goal: 187d73782fdde76554016abf73b46f843b29f520848Johannes Berg * HW reconfiguration should never fail, the driver has told 188d73782fdde76554016abf73b46f843b29f520848Johannes Berg * us what it can support so it should live up to that promise. 189447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 190447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Current status: 191447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * rfkill is not integrated with mac80211 and a 192447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * configuration command can thus fail if hardware rfkill 193447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * is enabled 194447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 195447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * FIXME: integrate rfkill with mac80211 and then add this 196447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * WARN_ON() back 197447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 198d73782fdde76554016abf73b46f843b29f520848Johannes Berg */ 199447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre /* WARN_ON(ret); */ 200d73782fdde76554016abf73b46f843b29f520848Johannes Berg } 201f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 202b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg return ret; 203b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg} 204f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 205471b3efdfccc257591331724145f8ccf8b3217e1Johannes Bergvoid ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 206471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg u32 changed) 207d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 208471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg struct ieee80211_local *local = sdata->local; 209471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 210471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg if (!changed) 211471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg return; 212471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 21312375ef933fa8271396ed0c1e318cb1bd2e2689dJohannes Berg drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed); 214d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 215d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 216f698d856f65c3fea091cc303a135967965c5b880Jasper Bryant-Greeneu32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) 217d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 218bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_cts_prot = false; 219bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_preamble = false; 220bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_slot = false; 2217a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg return BSS_CHANGED_ERP_CTS_PROT | 2227a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_PREAMBLE | 2237a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_SLOT; 224d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 225d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 226f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void ieee80211_tasklet_handler(unsigned long data) 227f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 228f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = (struct ieee80211_local *) data; 22937fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg struct sta_info *sta, *tmp; 23037fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg struct skb_eosp_msg_data *eosp_data; 231f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 232f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 233f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc while ((skb = skb_dequeue(&local->skb_queue)) || 234f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (skb = skb_dequeue(&local->skb_queue_unreliable))) { 235f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc switch (skb->pkt_type) { 236f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_RX_MSG: 23751fb61e76d952e6bc2fbdd9f0d38425fbab1cf31Johannes Berg /* Clear skb->pkt_type in order to not confuse kernel 238f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * netstack. */ 239f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 240005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_rx(&local->hw, skb); 241f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 242f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_TX_STATUS_MSG: 243f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 244005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_tx_status(&local->hw, skb); 245f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 24637fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg case IEEE80211_EOSP_MSG: 24737fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg eosp_data = (void *)skb->cb; 24837fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg for_each_sta_info(local, eosp_data->sta, sta, tmp) { 24937fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg /* skip wrong virtual interface */ 25037fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg if (memcmp(eosp_data->iface, 25137fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg sta->sdata->vif.addr, ETH_ALEN)) 25237fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg continue; 25337fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg clear_sta_flag(sta, WLAN_STA_SP); 25437fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg break; 25537fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg } 25637fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg dev_kfree_skb(skb); 25737fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg break; 258f4ea83dd743d3e1bec8fdf954ac911c6b12ae87aJohannes Berg default: 2595e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger WARN(1, "mac80211: Packet is of unknown type %d\n", 2605e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger skb->pkt_type); 261f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc dev_kfree_skb(skb); 262f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 263f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 264f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 265f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 266f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 267f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergstatic void ieee80211_restart_work(struct work_struct *work) 268f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 269f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = 270f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg container_of(work, struct ieee80211_local, restart_work); 271f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 272bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka /* wait for scan work complete */ 273bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka flush_workqueue(local->workqueue); 274bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 275bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_lock(&local->mtx); 27679f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) || 2775260a5b2c3524f198ea062fe0a6a4faa724e6a9dJohannes Berg rcu_dereference_protected(local->sched_scan_sdata, 2785260a5b2c3524f198ea062fe0a6a4faa724e6a9dJohannes Berg lockdep_is_held(&local->mtx)), 279bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka "%s called with hardware scan in progress\n", __func__); 280bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_unlock(&local->mtx); 281bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 282f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 2834136c4224ccf1907d309e1cdfaefef9da97dbc5eStanislaw Gruszka ieee80211_scan_cancel(local); 284f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 285f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 286f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 287f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 288f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 289f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 290f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 291f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 292b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 293b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 294b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch wiphy_info(hw->wiphy, 295b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch "Hardware restart was requested\n"); 296b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch 29718145c69349f2ab60c470798f83b3a2639e2a8d9John W. Linville /* use this reason, ieee80211_reconfig will unblock it */ 298f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_stop_queues_by_reason(hw, 299f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND); 300f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 30104800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov /* 30204800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * Stop all Rx during the reconfig. We don't want state changes 30304800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * or driver callbacks while this is in progress. 30404800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov */ 30504800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov local->in_reconfig = true; 30604800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov barrier(); 30704800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov 308f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg schedule_work(&local->restart_work); 309f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 310f2753ddbadb0873a98421415882318251bbd9eaaJohannes BergEXPORT_SYMBOL(ieee80211_restart_hw); 311f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 31226b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 3132b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenstatic int ieee80211_ifa_changed(struct notifier_block *nb, 3142b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unsigned long data, void *arg) 3152b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 3162b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_ifaddr *ifa = arg; 3172b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_local *local = 3182b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen container_of(nb, struct ieee80211_local, 3192b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifa_notifier); 3202b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct net_device *ndev = ifa->ifa_dev->dev; 3212b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct wireless_dev *wdev = ndev->ieee80211_ptr; 322685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct in_device *idev; 3232b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_sub_if_data *sdata; 324685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct ieee80211_bss_conf *bss_conf; 3252b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_if_managed *ifmgd; 326685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen int c = 0; 3272b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3282b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* Make sure it's our interface that got changed */ 3292b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!wdev) 3302b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3312b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3322b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (wdev->wiphy != local->hw.wiphy) 3332b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3342b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3352b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 336685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf = &sdata->vif.bss_conf; 3372b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3382b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* ARP filtering is only supported in managed mode */ 3392b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (sdata->vif.type != NL80211_IFTYPE_STATION) 3402b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3412b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 34295ae6b228f814fc0528d0506ee9f18ac333d6851Eric Dumazet idev = __in_dev_get_rtnl(sdata->dev); 343685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (!idev) 344685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen return NOTIFY_DONE; 345685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 3462b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifmgd = &sdata->u.mgd; 3472b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_lock(&ifmgd->mtx); 348685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 349685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Copy the addresses to the bss_conf list */ 350685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = idev->ifa_list; 3510f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg while (ifa) { 3520f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg if (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN) 3530f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg bss_conf->arp_addr_list[c] = ifa->ifa_address; 354685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = ifa->ifa_next; 355685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c++; 356685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 357685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 358685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_cnt = c; 359685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 36053d69c399abf3b382c1e737ff9402d31ca5a7a51Eliad Peller /* Configure driver only if associated (which also implies it is up) */ 3610f19b41e223d787251c59137e61fc5145c13d1c4Johannes Berg if (ifmgd->associated) 362685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ieee80211_bss_info_change_notify(sdata, 363685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen BSS_CHANGED_ARP_FILTER); 364685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 3652b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_unlock(&ifmgd->mtx); 3662b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3672b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3682b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 36926b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 3702b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 371a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 372a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Bergstatic int ieee80211_ifa6_changed(struct notifier_block *nb, 373a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unsigned long data, void *arg) 374a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg{ 375a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)arg; 376a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct inet6_dev *idev = ifa->idev; 377a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct net_device *ndev = ifa->idev->dev; 378a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct ieee80211_local *local = 379a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg container_of(nb, struct ieee80211_local, ifa6_notifier); 380a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct wireless_dev *wdev = ndev->ieee80211_ptr; 381a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg struct ieee80211_sub_if_data *sdata; 382a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 383a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg /* Make sure it's our interface that got changed */ 384a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg if (!wdev || wdev->wiphy != local->hw.wiphy) 385a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg return NOTIFY_DONE; 386a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 387a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 388a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 389a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg /* 390a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg * For now only support station mode. This is mostly because 391a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg * doing AP would have to handle AP_VLAN in some way ... 392a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg */ 393a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg if (sdata->vif.type != NL80211_IFTYPE_STATION) 394a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg return NOTIFY_DONE; 395a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 396a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg drv_ipv6_addr_change(local, sdata, idev); 397a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 398a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg return NOTIFY_DONE; 399a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg} 400a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 401a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 4024e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillestatic int ieee80211_napi_poll(struct napi_struct *napi, int budget) 4034e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4044e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = 4054e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville container_of(napi, struct ieee80211_local, napi); 4064e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4074e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville return local->ops->napi_poll(&local->hw, budget); 4084e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4094e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4104e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_schedule(struct ieee80211_hw *hw) 4114e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4124e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4134e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4144e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_schedule(&local->napi); 4154e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4164e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_schedule); 4174e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4184e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_complete(struct ieee80211_hw *hw) 4194e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4204e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4214e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4224e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_complete(&local->napi); 4234e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4244e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_complete); 4254e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4262e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg/* There isn't a lot of sense in it, but you can transmit anything you like */ 4272e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergstatic const struct ieee80211_txrx_stypes 4282e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { 4292e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_ADHOC] = { 4302e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4313bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4323bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins BIT(IEEE80211_STYPE_AUTH >> 4) | 43341e31b8b902397d5d507b275050fcbe8adaf4ff4Antonio Quartulli BIT(IEEE80211_STYPE_DEAUTH >> 4) | 43441e31b8b902397d5d507b275050fcbe8adaf4ff4Antonio Quartulli BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4352e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4362e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_STATION] = { 4372e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4382e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4392e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4402e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4412e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP] = { 4422e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4432e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4442e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4452e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4462e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4472e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4482e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4492e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4502e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4512e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP_VLAN] = { 4522e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg /* copy AP */ 4532e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4542e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4552e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4562e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4572e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4582e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4592e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4602ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4612ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4622ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_CLIENT] = { 4632ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4642ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4652ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4662ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4672ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_GO] = { 4682ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4692ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4702ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4712ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4722e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4732e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4742e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4752e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4762e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 477c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona [NL80211_IFTYPE_MESH_POINT] = { 478c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona .tx = 0xffff, 47971839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 48071839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_AUTH >> 4) | 48171839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_DEAUTH >> 4), 482c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona }, 483f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg [NL80211_IFTYPE_P2P_DEVICE] = { 484f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg .tx = 0xffff, 485f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 486f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 487f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg }, 4882e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg}; 4892e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 490ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greearstatic const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = { 491ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .ampdu_params_info = IEEE80211_HT_AMPDU_PARM_FACTOR | 492ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_AMPDU_PARM_DENSITY, 493ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 494ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 495ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_MAX_AMSDU | 496bc0784d951470ca6597239f1bae6e59caf49fb10Ben Greear IEEE80211_HT_CAP_SGI_20 | 497ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_SGI_40), 498ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .mcs = { 499ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff, 500ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 0xff, 0xff, 0xff, 0xff, 0xff, }, 501ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear }, 502ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear}; 503ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 504f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 505f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 506f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 507f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 50896f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 509f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 510fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg bool use_chanctx; 511f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 512c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config || 513c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->add_interface || !ops->remove_interface || 514c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->configure_filter)) 515c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg return NULL; 516c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg 517f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove))) 518f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg return NULL; 519f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg 520e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg /* check all or no channel context operations exist */ 521e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg i = !!ops->add_chanctx + !!ops->remove_chanctx + 522e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->change_chanctx + !!ops->assign_vif_chanctx + 523e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->unassign_vif_chanctx; 524e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg if (WARN_ON(i != 0 && i != 5)) 525e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg return NULL; 526fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg use_chanctx = i == 5; 527e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg 528f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 529f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 530f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 531f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 532f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 533f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 534f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 535f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 536f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 537f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 538f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 539f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 540f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 541f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 542f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 5431ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 544f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 545f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 546f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 547f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 548f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 549f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5502e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; 5512e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 552207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->privid = mac80211_wiphy_privid; 553207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 5549bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 5559bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 556ee971924543fe82f279d3e97f6f6d02320b381b7Johannes Berg WIPHY_FLAG_4ADDR_STATION | 5577c4ef7122cef54dc49562eea35cbfaf0f44faa0bJohannes Berg WIPHY_FLAG_REPORTS_OBSS | 55881ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg WIPHY_FLAG_OFFCHAN_TX; 55981ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg 56081ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg if (ops->remain_on_channel) 56181ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 562207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 563b292219fa5061e2657ecf518b48426913d0ddae6Johannes Berg wiphy->features |= NL80211_FEATURE_SK_TX_STATUS | 564b292219fa5061e2657ecf518b48426913d0ddae6Johannes Berg NL80211_FEATURE_SAE | 5651ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg NL80211_FEATURE_HT_IBSS | 566d582cffbcd04eae0bd8a83b05648bfd54bfd21c9Johannes Berg NL80211_FEATURE_VIF_TXPOWER | 567d582cffbcd04eae0bd8a83b05648bfd54bfd21c9Johannes Berg NL80211_FEATURE_FULL_AP_CLIENT_STATE; 568a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 569cd2bb512cda58f1efb922ad6dc29013ea5d5d9d0Sam Leffler if (!ops->hw_scan) 5705c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN | 5715c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli NL80211_FEATURE_AP_SCAN; 5725c95b940bd97e744267249e3b0780e6ef04b029cAntonio Quartulli 573cd2bb512cda58f1efb922ad6dc29013ea5d5d9d0Sam Leffler 574207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg if (!ops->set_key) 575207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 57618a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 5770c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 578f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 579f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 580de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 581f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 582f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5831ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 584f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 585f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 586fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg local->use_chanctx = use_chanctx; 587f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 588e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 589e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 590e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 59178be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa local->hw.max_report_rates = 0; 592df6ba5d80d6c9b51471d5fa046c3c06988e5f62aLuciano Coelho local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 59339e68712d75700ec09770c7ad9e8e4abc65db7c6Helmut Schaa local->hw.max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 5943a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue = IEEE80211_INVAL_HW_QUEUE; 595b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 596b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 597ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg local->hw.radiotap_mcs_details = IEEE80211_RADIOTAP_MCS_HAVE_MCS | 598ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_GI | 599ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_BW; 6005164892184d1b9ce19e45e97e9ca405ea8b9ceb2Johannes Berg local->hw.radiotap_vht_details = IEEE80211_RADIOTAP_VHT_KNOWN_GI | 6015164892184d1b9ce19e45e97e9ca405ea8b9ceb2Johannes Berg IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH; 6021ea6f9c0d48b11b6ec3ec4b5579ec74fc3951cf8Johannes Berg local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 603ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask; 604f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 60579010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 6062f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 6072f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 6082f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 609c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 610a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_init(&local->mtx); 611f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 612ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 6133b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 614f9e124fbd8cbea974b5dc7e9dafddd17d21df7e2Christian Lamparter spin_lock_init(&local->rx_path_lock); 615ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 616ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 617d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior INIT_LIST_HEAD(&local->chanctx_list); 618d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior mutex_init(&local->chanctx_mtx); 619d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior 620c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 621f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 622f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 623f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 6243ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 6250f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 6263ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 627520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 628520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 629520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 630520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 631520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 632520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 633520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 63485a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho INIT_WORK(&local->sched_scan_stopped_work, 63585a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho ieee80211_sched_scan_stopped_work); 63685a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho 637a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg spin_lock_init(&local->ack_status_lock); 638a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_init(&local->ack_status_frames); 639a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg /* preallocate at least one entry */ 640a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_pre_get(&local->ack_status_frames, GFP_KERNEL); 641a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 642f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 643f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 644a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 6452a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 646a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg atomic_set(&local->agg_queue_stop[i], 0); 647a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg } 648f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 649f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 650f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 651f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 652f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 653f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 654f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 655f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 656f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 657f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6584e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville /* init dummy netdev for use w/ NAPI */ 6594e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville init_dummy_netdev(&local->napi_dev); 6604e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 661fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg ieee80211_led_names(local); 662fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg 6632eb278e083549f4eb29838037004054b3b55df62Johannes Berg ieee80211_roc_setup(local); 66421f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg 665005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg return &local->hw; 666f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 667f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 668f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 669f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencint ieee80211_register_hw(struct ieee80211_hw *hw) 670f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 671f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 6727527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg int result, i; 6738318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg enum ieee80211_band band; 674be4a4b6a5d2f76393f545a2545fbaa1b65577e13Johannes Berg int channels, max_bitrates; 675ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela bool supp_ht, supp_vht; 67672d7872852e1734e94686012a2e9deade3457329Arik Nemtsov netdev_features_t feature_whitelist; 67725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 6785daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg /* keep WEP first, it may be removed below */ 67925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 68025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 68125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 68225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 68325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 68425e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 68525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 68625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 6878318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 6883a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg if (hw->flags & IEEE80211_HW_QUEUE_CONTROL && 6893a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg (local->hw.offchannel_tx_hw_queue == IEEE80211_INVAL_HW_QUEUE || 6903a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue >= local->hw.queues)) 6913a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg return -EINVAL; 6923a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg 69338bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger#ifdef CONFIG_PM 694dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg if ((hw->wiphy->wowlan.flags || hw->wiphy->wowlan.n_patterns) && 695dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg (!local->ops->suspend || !local->ops->resume)) 696eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg return -EINVAL; 697dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg#endif 698eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg 699885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller if ((hw->flags & IEEE80211_HW_SCAN_WHILE_IDLE) && !local->ops->hw_scan) 700885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller return -EINVAL; 701885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller 702fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (!local->use_chanctx) { 703fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { 704fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg const struct ieee80211_iface_combination *comb; 705fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 706fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg comb = &local->hw.wiphy->iface_combinations[i]; 707fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 708fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (comb->num_different_channels > 1) 709fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg return -EINVAL; 710fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg } 711746a336582a7e05082ab4efbb43f5357858f629aJohannes Berg } else { 712fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg /* 713fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * WDS is currently prohibited when channel contexts are used 714fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * because there's no clear definition of which channel WDS 715fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * type interfaces use 716fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg */ 717fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_WDS)) 718fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg return -EINVAL; 719fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg } 720fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 72172d7872852e1734e94686012a2e9deade3457329Arik Nemtsov /* Only HW csum features are currently compatible with mac80211 */ 72272d7872852e1734e94686012a2e9deade3457329Arik Nemtsov feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | 72372d7872852e1734e94686012a2e9deade3457329Arik Nemtsov NETIF_F_HW_CSUM; 72472d7872852e1734e94686012a2e9deade3457329Arik Nemtsov if (WARN_ON(hw->netdev_features & ~feature_whitelist)) 72572d7872852e1734e94686012a2e9deade3457329Arik Nemtsov return -EINVAL; 72672d7872852e1734e94686012a2e9deade3457329Arik Nemtsov 72778be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa if (hw->max_report_rates == 0) 72878be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa hw->max_report_rates = hw->max_rates; 72978be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa 73004ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains = 1; 73104ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 7328318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 7338318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 7348318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 7358318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 7368318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 7372a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 738de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 7395ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 740ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = false; 7418318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 7428318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 7438318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 7448318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 745de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 746de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 74755de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (!local->use_chanctx && !local->_oper_channel) { 7488318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 7498318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg local->hw.conf.channel = 75055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg local->_oper_channel = &sband->channels[0]; 75158905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->hw.conf.channel_type = NL80211_CHAN_NO_HT; 7528318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 7534bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg cfg80211_chandef_create(&local->monitor_chandef, 7544bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg &sband->channels[0], 7554bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg NL80211_CHAN_NO_HT); 756de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 757de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 758de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 759de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 7605ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 761ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = supp_vht || sband->vht_cap.vht_supported; 76204ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 76304ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg if (sband->ht_cap.ht_supported) 76404ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains = 76504ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg max(ieee80211_mcs_to_chains(&sband->ht_cap.mcs), 76604ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg local->rx_chains); 76704ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg 76804ecd2578e712c301fa1369d2a8f298a2b4b146aJohannes Berg /* TODO: consider VHT for RX chains, hopefully it's the same */ 7698318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 770f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 7715ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 7725ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg sizeof(void *) * channels, GFP_KERNEL); 7735ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg if (!local->int_scan_req) 7742a5193119269062608582418deba7af82844159aJohannes Berg return -ENOMEM; 7752a5193119269062608582418deba7af82844159aJohannes Berg 776c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 777c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich if (!local->hw.wiphy->bands[band]) 778c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich continue; 779c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich local->int_scan_req->rates[band] = (u32) -1; 780c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich } 781c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich 782f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 7837527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { 7847527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 7857527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN); 7867527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg } 787f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 788f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 7897527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 7907527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR); 7917527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg 79255de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg /* mac80211 doesn't support more than one IBSS interface right now */ 7938e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (i = 0; i < hw->wiphy->n_iface_combinations; i++) { 7948e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg const struct ieee80211_iface_combination *c; 7958e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg int j; 7968e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 7978e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c = &hw->wiphy->iface_combinations[i]; 7988e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 7998e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (j = 0; j < c->n_limits; j++) 8008e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg if ((c->limits[j].types & BIT(NL80211_IFTYPE_ADHOC)) && 8018e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c->limits[j].max > 1) 8028e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg return -EINVAL; 8038e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg } 8048e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8055eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#ifndef CONFIG_MAC80211_MESH 8065eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg /* mesh depends on Kconfig, but drivers should set it if they want */ 8075eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT); 8085eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#endif 8095eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg 8101570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona /* if the underlying driver supports mesh, mac80211 will (at least) 8111570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona * provide routing of mesh authentication frames to userspace */ 8121570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT)) 8131570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona local->hw.wiphy->flags |= WIPHY_FLAG_MESH_AUTH; 8141570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona 815a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg /* mac80211 supports control port protocol changing */ 816a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL; 817a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg 81877965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) 81977965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 82077965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) 82177965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 82277965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 823ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 824ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 825ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 826ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 827de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 828de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 829de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 830dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen * includes the DS Params, (extended) supported rates, and HT 831de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 832de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 833dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ + 834dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen 3 /* DS Params */; 8355ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 8365ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 837de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 8384bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg if (supp_vht) { 839ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela local->scan_ies_len += 840d4950281d72d8845225e3a39dbeb366c40c824c9Mahesh Palivela 2 + sizeof(struct ieee80211_vht_cap); 841ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela 8424bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg /* 8434bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg * (for now at least), drivers wanting to use VHT must 8444bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg * support channel contexts, as they contain all the 8454bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg * necessary VHT information and the global hw config 8464bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg * doesn't (yet) 8474bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg */ 8484bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg if (WARN_ON(!local->use_chanctx)) { 8494bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg result = -EINVAL; 8504bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg goto fail_wiphy_register; 8514bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg } 8524bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg } 8534bf88530be971bf95a7830ca61b4120980bf4347Johannes Berg 854de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 855de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 856de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 857de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 858de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 859de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 860de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 861de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 862de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 863de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 864de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 865de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 866de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 867de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 868de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 869de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 8703ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Set up cipher suites unless driver already did */ 8713ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!local->hw.wiphy->cipher_suites) { 8723ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = cipher_suites; 8733ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 8743ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) 8753ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites--; 8763ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 8775daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) { 8783ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->hw.wiphy->cipher_suites == cipher_suites) { 8793ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites += 2; 8803ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites -= 2; 8813ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } else { 8823ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 *suites; 8833ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg int r, w = 0; 8843ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 8853ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Filter out WEP */ 8863ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 8873ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites = kmemdup( 8883ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites, 8893ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg sizeof(u32) * local->hw.wiphy->n_cipher_suites, 8903ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg GFP_KERNEL); 891cfff2f999d9baa561f20d999c8b83b03f078fb8fJohannes Berg if (!suites) { 892cfff2f999d9baa561f20d999c8b83b03f078fb8fJohannes Berg result = -ENOMEM; 893cfff2f999d9baa561f20d999c8b83b03f078fb8fJohannes Berg goto fail_wiphy_register; 894cfff2f999d9baa561f20d999c8b83b03f078fb8fJohannes Berg } 8953ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) { 8963ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 suite = local->hw.wiphy->cipher_suites[r]; 8973ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (suite == WLAN_CIPHER_SUITE_WEP40 || 8983ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suite == WLAN_CIPHER_SUITE_WEP104) 8993ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg continue; 9003ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites[w++] = suite; 9013ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 9023ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = suites; 9033ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = w; 9043ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->wiphy_ciphers_allocated = true; 9053ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 9065daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg } 90725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 90821f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg if (!local->ops->remain_on_channel) 90921f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg local->hw.wiphy->max_remain_on_channel_duration = 5000; 910a293911d4fd5e8593dbf478399a77f990d466269Johannes Berg 91179f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho if (local->ops->sched_scan_start) 91279f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho local->hw.wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 91379f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho 914dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov /* mac80211 based drivers don't support internal TDLS setup */ 915dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov if (local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) 916dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov local->hw.wiphy->flags |= WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 917dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov 918f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 919f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 9202a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 921f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 922e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 923e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 924e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 925e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 926e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 927e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 928e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 92942935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 93099b88a0ecbdbc6df03527292571b2b442965814aTejun Heo alloc_ordered_workqueue(wiphy_name(local->hw.wiphy), 0); 93142935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 932f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 933f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 934f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 935f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 936b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 937b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 938b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 939b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 940b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 94133ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 942a2fe81667410723d941a688e1958a49d67ca3346Helmut Schaa IEEE80211_TX_STATUS_HEADROOM); 943b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 944e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 945e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 946b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 947b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 948b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 949b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 950ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 951b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 952ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 953ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 954ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 955ff61638105db6f5832ef8700436ba6aa6d3a2fdaJuuso Oikarinen local->dynamic_ps_forced_timeout = -1; 956195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 957d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 9583473187d2459a078e00e5fac8aafc30af69c57faJohn W. Linville if (result < 0) 9590fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", 9600fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches result); 961d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 962b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan ieee80211_led_init(local); 963b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan 964f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 965f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 966830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 967830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 968f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 9690fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, 9700fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to initialize rate control algorithm\n"); 971f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 972f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 973f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 9748dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 9758dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 9768dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 9778dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 9788dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 9790fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, 9800fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to add default virtual iface\n"); 9818dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 982f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 983f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 984f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 98510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 98610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 98710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 98810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 98910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 99010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 99110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 99210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 99310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 99426b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 9952b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 9962b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 9972b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 9982b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 99926b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 10002b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 1001a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1002a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg local->ifa6_notifier.notifier_call = ieee80211_ifa6_changed; 1003a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg result = register_inet6addr_notifier(&local->ifa6_notifier); 1004a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg if (result) 1005a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg goto fail_ifa6; 1006a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1007a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg 10084e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll, 10094e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville local->hw.napi_weight); 10104e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 1011f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 1012f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1013a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1014a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg fail_ifa6: 101593c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#ifdef CONFIG_INET 1016a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unregister_inetaddr_notifier(&local->ifa_notifier); 1017a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1018a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 1019a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if defined(CONFIG_INET) || defined(CONFIG_IPV6) 10202b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 10212b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 10222b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 10232b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 102493c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#endif 102510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 102610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 102710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 102810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 1029f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1030d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 1031f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 103242935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 103310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 1034f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 103510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 10363ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 10373ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 103811ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 1039f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 1040f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1041f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 1042f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1043f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 1044f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1045f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1046f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1047f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 1048f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 1049f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 105010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 105110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 105226b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 10532b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 105426b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 1055a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#if IS_ENABLED(CONFIG_IPV6) 1056a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg unregister_inet6addr_notifier(&local->ifa6_notifier); 1057a65240c1013222dbf41166c8b2c5ed2720c807c3Johannes Berg#endif 105810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 1059f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 1060f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 106179010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 106279010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 106379010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 106479010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 106579010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 106675636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 10675b2812e925c8e976852867f8d760637c5926d817Johannes Berg 1068f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1069f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1070258086a48b766d12a500f98834654ffa927ca475Christian Lamparter cancel_work_sync(&local->restart_work); 10713ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 10723ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 1073f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 1074f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 1075f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1076f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 1077f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 10780fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); 1079f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 1080f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 1081f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 108242935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 1083f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 1084ecb4433550f0620f3d1471ae7099037ede30a91eStanislaw Gruszka sta_info_stop(local); 1085f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 1086f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 10875ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 1088f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1089f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 1090f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1091a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Bergstatic int ieee80211_free_ack_frame(int id, void *p, void *data) 1092a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg{ 1093a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg WARN_ONCE(1, "Have pending ack frames!\n"); 1094a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg kfree_skb(p); 1095a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg return 0; 1096a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg} 1097a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1098f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 1099f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1100f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1101f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1102c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 1103a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_destroy(&local->mtx); 1104c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 11053ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 11063ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 11073ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 1108a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_for_each(&local->ack_status_frames, 1109a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg ieee80211_free_ack_frame, NULL); 1110a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_destroy(&local->ack_status_frames); 1111a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1112f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 1113f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1114f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 1115f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1116f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 1117f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1118f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 1119f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 1120f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1121e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 1122e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 1123c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 1124f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1125cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 1126cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 1127cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 1128cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 1129ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 1130ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 1131ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 1132ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 11334b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg ret = rc80211_pid_init(); 1134ad01837593338f13508463fa11c8dbf8109a1e5dMattias Nissler if (ret) 113547846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_pid; 1136f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 113747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 113847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 113947846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 1140e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 1141f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 114247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 114347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_pid_exit(); 114447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_pid: 1145ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1146ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 114747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 114847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 114947846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 1150f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1151f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1152f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 1153f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 11544b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg rc80211_pid_exit(); 1155ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1156cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 1157ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 1158f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo if (mesh_allocated) 1159f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo ieee80211s_stop(); 1160902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 116147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 1162d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg 1163d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg rcu_barrier(); 1164f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1165f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1166f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1167ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 1168f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 1169f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1170f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 1171f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 1172