main.c revision 3bfda62c50b0a4b118dcfce36686508ca2892292
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> 26f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 27f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include "ieee80211_i.h" 282448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg#include "driver-ops.h" 292c8dccc77420fb7433da5674818959d3499d35beJohannes Berg#include "rate.h" 30f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo#include "mesh.h" 31f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include "wep.h" 322c8dccc77420fb7433da5674818959d3499d35beJohannes Berg#include "led.h" 33e0eb68596232788bc352368f2fbc3cb088e42e41Michael Wu#include "cfg.h" 34e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc#include "debugfs.h" 35f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 36681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Bergstatic struct lock_class_key ieee80211_rx_skb_queue_class; 37681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg 380d143fe1e2efc084fa730d2dfa22d0d1ca2ee5f1Johannes Bergvoid ieee80211_configure_filter(struct ieee80211_local *local) 394150c57212ad134765dd78c654a4b9906252b66dJohannes Berg{ 403ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg u64 mc; 414150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int changed_flags; 424150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int new_flags = 0; 434150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 4453918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_promiscs)) 454150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_PROMISC_IN_BSS; 464150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 4753918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_allmultis)) 484150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_ALLMULTI; 494150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 508a690674e0601efbe9a7b16a5826fc522645cca3Ben Greear if (local->monitors || test_bit(SCAN_SW_SCANNING, &local->scanning) || 518a690674e0601efbe9a7b16a5826fc522645cca3Ben Greear test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) 528cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_BCN_PRBRESP_PROMISC; 538cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 547be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg if (local->fif_probe_req || local->probe_req_reg) 557be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg new_flags |= FIF_PROBE_REQ; 567be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg 578cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_fcsfail) 588cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_FCSFAIL; 598cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 608cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_plcpfail) 618cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_PLCPFAIL; 628cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 638cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_control) 648cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_CONTROL; 658cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 668cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_other_bss) 678cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_OTHER_BSS; 684150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 69e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov if (local->fif_pspoll) 70e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov new_flags |= FIF_PSPOLL; 71e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov 723ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_lock_bh(&local->filter_lock); 734150c57212ad134765dd78c654a4b9906252b66dJohannes Berg changed_flags = local->filter_flags ^ new_flags; 744150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 7522bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc = drv_prepare_multicast(local, &local->mc_list); 763ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_unlock_bh(&local->filter_lock); 773ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 784150c57212ad134765dd78c654a4b9906252b66dJohannes Berg /* be a bit nasty */ 794150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= (1<<31); 804150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 813ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg drv_configure_filter(local, changed_flags, &new_flags, mc); 824150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 834150c57212ad134765dd78c654a4b9906252b66dJohannes Berg WARN_ON(new_flags & (1<<31)); 844150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 854150c57212ad134765dd78c654a4b9906252b66dJohannes Berg local->filter_flags = new_flags & ~(1<<31); 864150c57212ad134765dd78c654a4b9906252b66dJohannes Berg} 874150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 883ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Bergstatic void ieee80211_reconfig_filter(struct work_struct *work) 893ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg{ 903ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg struct ieee80211_local *local = 913ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg container_of(work, struct ieee80211_local, reconfig_filter); 923ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 933ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg ieee80211_configure_filter(local); 943ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg} 953ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 96e8975581f63870be42ff4662b293d1b0c8c21350Johannes Bergint ieee80211_hw_config(struct ieee80211_local *local, u32 changed) 97b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg{ 985e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka struct ieee80211_channel *chan; 99b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg int ret = 0; 100e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg int power; 101094d05dc32fc2930e381189a942016e5561775d9Sujith enum nl80211_channel_type channel_type; 102ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau u32 offchannel_flag; 103f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 104cb121bad67a32cde37adc2729b7e18aa4fd3063eJohannes Berg might_sleep(); 105cb121bad67a32cde37adc2729b7e18aa4fd3063eJohannes Berg 106ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 1075e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka if (local->scan_channel) { 1085e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka chan = local->scan_channel; 1094f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear /* If scanning on oper channel, use whatever channel-type 1104f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear * is currently in use. 1114f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear */ 1124f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear if (chan == local->oper_channel) 1134f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear channel_type = local->_oper_channel_type; 1144f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear else 1154f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear channel_type = NL80211_CHAN_NO_HT; 116b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear } else if (local->tmp_channel) { 1175e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka chan = local->tmp_channel; 118b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg channel_type = local->tmp_channel_type; 11972bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } else { 120b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg chan = local->oper_channel; 1210aaffa9b9699894aab3266195a529baf9f96ac29Johannes Berg channel_type = local->_oper_channel_type; 12272bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } 123b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear 124b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear if (chan != local->oper_channel || 125b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear channel_type != local->_oper_channel_type) 126b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; 127b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear else 128b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL; 129b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear 130ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 131f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 132ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau if (offchannel_flag || chan != local->hw.conf.channel || 1334797938c5dfa22af30fd16679192972f878419a1Johannes Berg channel_type != local->hw.conf.channel_type) { 134e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.channel = chan; 1354797938c5dfa22af30fd16679192972f878419a1Johannes Berg local->hw.conf.channel_type = channel_type; 136e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_CHANNEL; 137e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 1388318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 1390f78231bffb868a30e8533aace142213266bb811Johannes Berg if (!conf_is_ht(&local->hw.conf)) { 1400f78231bffb868a30e8533aace142213266bb811Johannes Berg /* 1410f78231bffb868a30e8533aace142213266bb811Johannes Berg * mac80211.h documents that this is only valid 1420f78231bffb868a30e8533aace142213266bb811Johannes Berg * when the channel is set to an HT type, and 1430f78231bffb868a30e8533aace142213266bb811Johannes Berg * that otherwise STATIC is used. 1440f78231bffb868a30e8533aace142213266bb811Johannes Berg */ 1450f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC; 1460f78231bffb868a30e8533aace142213266bb811Johannes Berg } else if (local->hw.conf.smps_mode != local->smps_mode) { 1470f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = local->smps_mode; 1480f78231bffb868a30e8533aace142213266bb811Johannes Berg changed |= IEEE80211_CONF_CHANGE_SMPS; 1490f78231bffb868a30e8533aace142213266bb811Johannes Berg } 1500f78231bffb868a30e8533aace142213266bb811Johannes Berg 151cd6c524e9e0b5ad8ce52bc3b4a3a1e272e3a8410Dmitry TARNYAGIN if (test_bit(SCAN_SW_SCANNING, &local->scanning) || 1528a690674e0601efbe9a7b16a5826fc522645cca3Ben Greear test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) || 153cd6c524e9e0b5ad8ce52bc3b4a3a1e272e3a8410Dmitry TARNYAGIN test_bit(SCAN_HW_SCANNING, &local->scanning)) 154e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg power = chan->max_power; 1558318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg else 156a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = local->power_constr_level ? 157a48b13ac811ee236151d9e0e0dcb5639b2ab4591Hong Wu min(chan->max_power, 158a48b13ac811ee236151d9e0e0dcb5639b2ab4591Hong Wu (chan->max_reg_power - local->power_constr_level)) : 159a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan chan->max_power; 160a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 16147afbaf5af9454a7a1a64591e20cbfcc27ca67a8Johannes Berg if (local->user_power_level >= 0) 162a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = min(power, local->user_power_level); 163a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 164e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (local->hw.conf.power_level != power) { 165e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_POWER; 166e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.power_level = power; 167e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 168b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg 169e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (changed && local->open_count) { 1702448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg ret = drv_config(local, changed); 171d73782fdde76554016abf73b46f843b29f520848Johannes Berg /* 172447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Goal: 173d73782fdde76554016abf73b46f843b29f520848Johannes Berg * HW reconfiguration should never fail, the driver has told 174d73782fdde76554016abf73b46f843b29f520848Johannes Berg * us what it can support so it should live up to that promise. 175447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 176447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Current status: 177447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * rfkill is not integrated with mac80211 and a 178447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * configuration command can thus fail if hardware rfkill 179447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * is enabled 180447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 181447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * FIXME: integrate rfkill with mac80211 and then add this 182447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * WARN_ON() back 183447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 184d73782fdde76554016abf73b46f843b29f520848Johannes Berg */ 185447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre /* WARN_ON(ret); */ 186d73782fdde76554016abf73b46f843b29f520848Johannes Berg } 187f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 188b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg return ret; 189b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg} 190f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 191471b3efdfccc257591331724145f8ccf8b3217e1Johannes Bergvoid ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 192471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg u32 changed) 193d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 194471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg struct ieee80211_local *local = sdata->local; 1959cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg static const u8 zero[ETH_ALEN] = { 0 }; 196471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 197471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg if (!changed) 198471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg return; 199471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 2009cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.type == NL80211_IFTYPE_STATION) { 20166e67e418908442389d3a9e6509985f01cbaf9b0Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid; 2029cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) 2032d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.ibss.bssid; 2042d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (sdata->vif.type == NL80211_IFTYPE_AP) 20547846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg sdata->vif.bss_conf.bssid = sdata->vif.addr; 2061be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan else if (sdata->vif.type == NL80211_IFTYPE_WDS) 2071be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan sdata->vif.bss_conf.bssid = NULL; 2082d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (ieee80211_vif_is_mesh(&sdata->vif)) { 2092d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = zero; 2102d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2112d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2122d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2132d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2142d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2152d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2162d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2172d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2181be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan case NL80211_IFTYPE_WDS: 2192d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 2202d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2212d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2222d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* do not warn to simplify caller in scan.c */ 2232d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg changed &= ~BSS_CHANGED_BEACON_ENABLED; 2242d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (WARN_ON(changed & BSS_CHANGED_BEACON)) 2252d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2262d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2272d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2282d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2292d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (changed & BSS_CHANGED_BEACON_ENABLED) { 2309607e6b66a0d25ca63b70d54a4283fa13d8f7c9dJohannes Berg if (local->quiescing || !ieee80211_sdata_running(sdata) || 231b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state)) { 2322d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = false; 2332d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2342d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* 2352d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * Beacon should be enabled, but AP mode must 2362d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * check whether there is a beacon configured. 2372d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg */ 2382d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2392d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2402d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2410379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ap.beacon; 2422d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2432d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2442d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2450379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ibss.presp; 2462d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2477659a193f94c0003dd06e9e874d19bade1a8c952Javier Cardona#ifdef CONFIG_MAC80211_MESH 2482d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 24929cbe68c516a48a9a88b3226878570c6cbd83c02Johannes Berg sdata->vif.bss_conf.enable_beacon = 25029cbe68c516a48a9a88b3226878570c6cbd83c02Johannes Berg !!sdata->u.mesh.mesh_id_len; 2512d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2527659a193f94c0003dd06e9e874d19bade1a8c952Javier Cardona#endif 2532d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2542d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* not reached */ 2552d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2562d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2572d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2582d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2592d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2602d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 26112375ef933fa8271396ed0c1e318cb1bd2e2689dJohannes Berg drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed); 262d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 263d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 264f698d856f65c3fea091cc303a135967965c5b880Jasper Bryant-Greeneu32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) 265d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 266bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_cts_prot = false; 267bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_preamble = false; 268bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_slot = false; 2697a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg return BSS_CHANGED_ERP_CTS_PROT | 2707a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_PREAMBLE | 2717a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_SLOT; 272d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 273d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 274f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void ieee80211_tasklet_handler(unsigned long data) 275f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 276f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = (struct ieee80211_local *) data; 27737fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg struct sta_info *sta, *tmp; 27837fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg struct skb_eosp_msg_data *eosp_data; 279f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 280f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 281f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc while ((skb = skb_dequeue(&local->skb_queue)) || 282f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (skb = skb_dequeue(&local->skb_queue_unreliable))) { 283f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc switch (skb->pkt_type) { 284f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_RX_MSG: 28551fb61e76d952e6bc2fbdd9f0d38425fbab1cf31Johannes Berg /* Clear skb->pkt_type in order to not confuse kernel 286f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * netstack. */ 287f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 288005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_rx(&local->hw, skb); 289f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 290f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_TX_STATUS_MSG: 291f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 292005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_tx_status(&local->hw, skb); 293f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 29437fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg case IEEE80211_EOSP_MSG: 29537fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg eosp_data = (void *)skb->cb; 29637fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg for_each_sta_info(local, eosp_data->sta, sta, tmp) { 29737fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg /* skip wrong virtual interface */ 29837fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg if (memcmp(eosp_data->iface, 29937fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg sta->sdata->vif.addr, ETH_ALEN)) 30037fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg continue; 30137fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg clear_sta_flag(sta, WLAN_STA_SP); 30237fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg break; 30337fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg } 30437fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg dev_kfree_skb(skb); 30537fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg break; 306f4ea83dd743d3e1bec8fdf954ac911c6b12ae87aJohannes Berg default: 3075e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger WARN(1, "mac80211: Packet is of unknown type %d\n", 3085e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger skb->pkt_type); 309f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc dev_kfree_skb(skb); 310f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 311f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 312f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 313f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 314f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 315f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergstatic void ieee80211_restart_work(struct work_struct *work) 316f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 317f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = 318f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg container_of(work, struct ieee80211_local, restart_work); 319f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 320bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka /* wait for scan work complete */ 321bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka flush_workqueue(local->workqueue); 322bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 323bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_lock(&local->mtx); 32479f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) || 32579f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho local->sched_scanning, 326bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka "%s called with hardware scan in progress\n", __func__); 327bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_unlock(&local->mtx); 328bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 329f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 3304136c4224ccf1907d309e1cdfaefef9da97dbc5eStanislaw Gruszka ieee80211_scan_cancel(local); 331f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 332f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 333f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 334f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 335f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 336f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 337f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 338f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 339b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 340b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 341b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch wiphy_info(hw->wiphy, 342b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch "Hardware restart was requested\n"); 343b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch 34418145c69349f2ab60c470798f83b3a2639e2a8d9John W. Linville /* use this reason, ieee80211_reconfig will unblock it */ 345f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_stop_queues_by_reason(hw, 346f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND); 347f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 34804800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov /* 34904800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * Stop all Rx during the reconfig. We don't want state changes 35004800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * or driver callbacks while this is in progress. 35104800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov */ 35204800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov local->in_reconfig = true; 35304800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov barrier(); 35404800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov 355f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg schedule_work(&local->restart_work); 356f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 357f2753ddbadb0873a98421415882318251bbd9eaaJohannes BergEXPORT_SYMBOL(ieee80211_restart_hw); 358f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 3590f78231bffb868a30e8533aace142213266bb811Johannes Bergstatic void ieee80211_recalc_smps_work(struct work_struct *work) 3600f78231bffb868a30e8533aace142213266bb811Johannes Berg{ 3610f78231bffb868a30e8533aace142213266bb811Johannes Berg struct ieee80211_local *local = 3620f78231bffb868a30e8533aace142213266bb811Johannes Berg container_of(work, struct ieee80211_local, recalc_smps); 3630f78231bffb868a30e8533aace142213266bb811Johannes Berg 3640f78231bffb868a30e8533aace142213266bb811Johannes Berg mutex_lock(&local->iflist_mtx); 365025e6be220e448c02045e8499c7db8ce4bc8eea2Johannes Berg ieee80211_recalc_smps(local); 3660f78231bffb868a30e8533aace142213266bb811Johannes Berg mutex_unlock(&local->iflist_mtx); 3670f78231bffb868a30e8533aace142213266bb811Johannes Berg} 3680f78231bffb868a30e8533aace142213266bb811Johannes Berg 36926b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 3702b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenstatic int ieee80211_ifa_changed(struct notifier_block *nb, 3712b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unsigned long data, void *arg) 3722b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 3732b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_ifaddr *ifa = arg; 3742b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_local *local = 3752b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen container_of(nb, struct ieee80211_local, 3762b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifa_notifier); 3772b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct net_device *ndev = ifa->ifa_dev->dev; 3782b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct wireless_dev *wdev = ndev->ieee80211_ptr; 379685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct in_device *idev; 3802b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_sub_if_data *sdata; 381685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct ieee80211_bss_conf *bss_conf; 3822b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_if_managed *ifmgd; 383685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen int c = 0; 3842b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3852b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* Make sure it's our interface that got changed */ 3862b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!wdev) 3872b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3882b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3892b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (wdev->wiphy != local->hw.wiphy) 3902b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3912b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3922b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 393685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf = &sdata->vif.bss_conf; 3942b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3952b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* ARP filtering is only supported in managed mode */ 3962b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (sdata->vif.type != NL80211_IFTYPE_STATION) 3972b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3982b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 39995ae6b228f814fc0528d0506ee9f18ac333d6851Eric Dumazet idev = __in_dev_get_rtnl(sdata->dev); 400685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (!idev) 401685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen return NOTIFY_DONE; 402685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 4032b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifmgd = &sdata->u.mgd; 4042b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_lock(&ifmgd->mtx); 405685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 406685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Copy the addresses to the bss_conf list */ 407685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = idev->ifa_list; 408685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen while (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN && ifa) { 409685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_list[c] = ifa->ifa_address; 410685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = ifa->ifa_next; 411685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c++; 412685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 413685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 414685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* If not all addresses fit the list, disable filtering */ 415685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifa) { 416685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = false; 417685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c = 0; 418685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } else { 419685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = true; 420685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 421685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_cnt = c; 422685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 42353d69c399abf3b382c1e737ff9402d31ca5a7a51Eliad Peller /* Configure driver only if associated (which also implies it is up) */ 424685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifmgd->associated) { 425685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_filter_enabled = sdata->arp_filter_state; 426685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ieee80211_bss_info_change_notify(sdata, 427685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen BSS_CHANGED_ARP_FILTER); 428685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 429685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 4302b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_unlock(&ifmgd->mtx); 4312b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4322b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 4332b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 43426b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 4352b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4364e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillestatic int ieee80211_napi_poll(struct napi_struct *napi, int budget) 4374e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4384e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = 4394e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville container_of(napi, struct ieee80211_local, napi); 4404e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4414e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville return local->ops->napi_poll(&local->hw, budget); 4424e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4434e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4444e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_schedule(struct ieee80211_hw *hw) 4454e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4464e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4474e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4484e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_schedule(&local->napi); 4494e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4504e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_schedule); 4514e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4524e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_complete(struct ieee80211_hw *hw) 4534e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4544e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4554e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4564e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_complete(&local->napi); 4574e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4584e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_complete); 4594e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4602e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg/* There isn't a lot of sense in it, but you can transmit anything you like */ 4612e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergstatic const struct ieee80211_txrx_stypes 4622e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { 4632e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_ADHOC] = { 4642e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4653bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4663bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins BIT(IEEE80211_STYPE_AUTH >> 4) | 4673bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins BIT(IEEE80211_STYPE_DEAUTH >> 4), 4682e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4692e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_STATION] = { 4702e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4712e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4722e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4732e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4742e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP] = { 4752e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4762e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4772e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4782e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4792e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4802e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4812e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4822e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4832e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4842e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP_VLAN] = { 4852e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg /* copy AP */ 4862e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4872e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4882e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4892e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4902e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4912e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4922e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4932ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4942ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4952ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_CLIENT] = { 4962ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4972ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4982ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4992ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 5002ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_GO] = { 5012ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 5022ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 5032ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 5042ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 5052e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 5062e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 5072e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 5082e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 5092e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 510c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona [NL80211_IFTYPE_MESH_POINT] = { 511c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona .tx = 0xffff, 51271839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 51371839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_AUTH >> 4) | 51471839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_DEAUTH >> 4), 515c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona }, 5162e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg}; 5172e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 518ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greearstatic const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = { 519ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .ampdu_params_info = IEEE80211_HT_AMPDU_PARM_FACTOR | 520ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_AMPDU_PARM_DENSITY, 521ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 522ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 523ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_MAX_AMSDU | 524ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_SGI_40), 525ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .mcs = { 526ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff, 527ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 0xff, 0xff, 0xff, 0xff, 0xff, }, 528ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear }, 529ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear}; 530ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 531f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 532f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 533f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 534f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 53596f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 536f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 537f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 538f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove))) 539f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg return NULL; 540f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg 541f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 542f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 543f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 544f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 545f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 546f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 547f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 548f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 549f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 550f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 551f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 552f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 553f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 554f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 555f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 5561ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 557f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 558f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 559f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 560f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 561f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 562f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5632e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; 5642e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 565207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->privid = mac80211_wiphy_privid; 566207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 5679bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 5689bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 569ee971924543fe82f279d3e97f6f6d02320b381b7Johannes Berg WIPHY_FLAG_4ADDR_STATION | 5707c4ef7122cef54dc49562eea35cbfaf0f44faa0bJohannes Berg WIPHY_FLAG_REPORTS_OBSS | 57181ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg WIPHY_FLAG_OFFCHAN_TX; 57281ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg 57381ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg if (ops->remain_on_channel) 57481ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 575207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 57613c40c54682ffe62977f670681268a26d500d6faAlexander Simon wiphy->features = NL80211_FEATURE_SK_TX_STATUS | 57713c40c54682ffe62977f670681268a26d500d6faAlexander Simon NL80211_FEATURE_HT_IBSS; 578a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 579207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg if (!ops->set_key) 580207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 58118a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 5820c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 583f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 584f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 585de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 586f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 587f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5881ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 589f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 59011127e9121d4dd9da868cf0fd89dcac35f7f0fa3Johannes Berg BUG_ON(!ops->tx && !ops->tx_frags); 5914150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->start); 5924150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->stop); 5934480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->config); 5944480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->add_interface); 5954150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->remove_interface); 5964150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->configure_filter); 597f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 598f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 599e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 600e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 601e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 60278be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa local->hw.max_report_rates = 0; 603df6ba5d80d6c9b51471d5fa046c3c06988e5f62aLuciano Coelho local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 60439e68712d75700ec09770c7ad9e8e4abc65db7c6Helmut Schaa local->hw.max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 6053a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue = IEEE80211_INVAL_HW_QUEUE; 606b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 607b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 608ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg local->hw.radiotap_mcs_details = IEEE80211_RADIOTAP_MCS_HAVE_MCS | 609ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_GI | 610ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_BW; 611c428c89201a57a0ce24c37ed79e540d1f4101cf3Johannes Berg local->user_power_level = -1; 612ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask; 613f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 61479010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 6152f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 6162f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 6172f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 618c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 619a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_init(&local->mtx); 620f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 621ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 6223b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 623ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 624ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 625681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg /* 626681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * The rx_skb_queue is only accessed from tasklets, 627681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * but other SKB queues are used from within IRQ 628681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * context. Therefore, this one needs a different 629681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * locking class so our direct, non-irq-safe use of 630681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * the queue's lock doesn't throw lockdep warnings. 631681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg */ 632681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg skb_queue_head_init_class(&local->rx_skb_queue, 633681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg &ieee80211_rx_skb_queue_class); 63424a8fdad35835e8d71f7c4b978a246fafed2e7b4Christian Lamparter 635c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 636f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 637f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 638f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 6393ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 6400f78231bffb868a30e8533aace142213266bb811Johannes Berg INIT_WORK(&local->recalc_smps, ieee80211_recalc_smps_work); 6410f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 6423ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 643520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 644520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 645520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 646520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 647520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 648520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 649520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 65085a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho INIT_WORK(&local->sched_scan_stopped_work, 65185a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho ieee80211_sched_scan_stopped_work); 65285a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho 653a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg spin_lock_init(&local->ack_status_lock); 654a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_init(&local->ack_status_frames); 655a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg /* preallocate at least one entry */ 656a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_pre_get(&local->ack_status_frames, GFP_KERNEL); 657a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 658f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 659f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 660a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 6612a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 662a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg atomic_set(&local->agg_queue_stop[i], 0); 663a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg } 664f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 665f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 666f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 667f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 668f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 669f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 670f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 671f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 672f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 673f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6744e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville /* init dummy netdev for use w/ NAPI */ 6754e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville init_dummy_netdev(&local->napi_dev); 6764e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 677fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg ieee80211_led_names(local); 678fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg 6792eb278e083549f4eb29838037004054b3b55df62Johannes Berg ieee80211_roc_setup(local); 68021f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg 681005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg return &local->hw; 682f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 683f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 684f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 685f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencint ieee80211_register_hw(struct ieee80211_hw *hw) 686f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 687f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 6887527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg int result, i; 6898318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg enum ieee80211_band band; 690be4a4b6a5d2f76393f545a2545fbaa1b65577e13Johannes Berg int channels, max_bitrates; 6915ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg bool supp_ht; 69272d7872852e1734e94686012a2e9deade3457329Arik Nemtsov netdev_features_t feature_whitelist; 69325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 6945daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg /* keep WEP first, it may be removed below */ 69525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 69625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 69725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 69825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 69925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 70025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 70125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 70225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 7038318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 7043a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg if (hw->flags & IEEE80211_HW_QUEUE_CONTROL && 7053a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg (local->hw.offchannel_tx_hw_queue == IEEE80211_INVAL_HW_QUEUE || 7063a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue >= local->hw.queues)) 7073a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg return -EINVAL; 7083a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg 70938bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger if ((hw->wiphy->wowlan.flags || hw->wiphy->wowlan.n_patterns) 71038bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger#ifdef CONFIG_PM 71138bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger && (!local->ops->suspend || !local->ops->resume) 71238bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger#endif 71338bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger ) 714eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg return -EINVAL; 715eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg 716885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller if ((hw->flags & IEEE80211_HW_SCAN_WHILE_IDLE) && !local->ops->hw_scan) 717885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller return -EINVAL; 718885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller 71972d7872852e1734e94686012a2e9deade3457329Arik Nemtsov /* Only HW csum features are currently compatible with mac80211 */ 72072d7872852e1734e94686012a2e9deade3457329Arik Nemtsov feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | 72172d7872852e1734e94686012a2e9deade3457329Arik Nemtsov NETIF_F_HW_CSUM; 72272d7872852e1734e94686012a2e9deade3457329Arik Nemtsov if (WARN_ON(hw->netdev_features & ~feature_whitelist)) 72372d7872852e1734e94686012a2e9deade3457329Arik Nemtsov return -EINVAL; 72472d7872852e1734e94686012a2e9deade3457329Arik Nemtsov 72578be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa if (hw->max_report_rates == 0) 72678be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa hw->max_report_rates = hw->max_rates; 72778be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa 7288318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 7298318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 7308318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 7318318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 7328318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 7332a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 734de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 7355ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 7368318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 7378318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 7388318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 7398318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 740de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 741de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 742de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->oper_channel) { 7438318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 7448318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg local->hw.conf.channel = 74558905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->oper_channel = &sband->channels[0]; 74658905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->hw.conf.channel_type = NL80211_CHAN_NO_HT; 7478318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 748de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 749de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 750de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 751de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 7525ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 7538318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 754f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 7555ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 7565ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg sizeof(void *) * channels, GFP_KERNEL); 7575ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg if (!local->int_scan_req) 7582a5193119269062608582418deba7af82844159aJohannes Berg return -ENOMEM; 7592a5193119269062608582418deba7af82844159aJohannes Berg 760c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 761c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich if (!local->hw.wiphy->bands[band]) 762c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich continue; 763c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich local->int_scan_req->rates[band] = (u32) -1; 764c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich } 765c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich 766f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 7677527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { 7687527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 7697527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN); 7707527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg } 771f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 772f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 7737527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 7747527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR); 7757527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg 7768e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg /* 7778e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg * mac80211 doesn't support more than 1 channel, and also not more 7788e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg * than one IBSS interface 7798e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg */ 7808e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (i = 0; i < hw->wiphy->n_iface_combinations; i++) { 7818e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg const struct ieee80211_iface_combination *c; 7828e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg int j; 7838e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 7848e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c = &hw->wiphy->iface_combinations[i]; 7858e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 7868e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg if (c->num_different_channels > 1) 7877527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg return -EINVAL; 788f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 7898e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (j = 0; j < c->n_limits; j++) 7908e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg if ((c->limits[j].types & BIT(NL80211_IFTYPE_ADHOC)) && 7918e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c->limits[j].max > 1) 7928e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg return -EINVAL; 7938e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg } 7948e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 7955eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#ifndef CONFIG_MAC80211_MESH 7965eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg /* mesh depends on Kconfig, but drivers should set it if they want */ 7975eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT); 7985eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#endif 7995eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg 8001570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona /* if the underlying driver supports mesh, mac80211 will (at least) 8011570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona * provide routing of mesh authentication frames to userspace */ 8021570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT)) 8031570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona local->hw.wiphy->flags |= WIPHY_FLAG_MESH_AUTH; 8041570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona 805a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg /* mac80211 supports control port protocol changing */ 806a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL; 807a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg 80877965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) 80977965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 81077965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) 81177965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 81277965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 813ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 814ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 815ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 816ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 817de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 818de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 819de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 820dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen * includes the DS Params, (extended) supported rates, and HT 821de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 822de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 823dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ + 824dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen 3 /* DS Params */; 8255ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 8265ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 827de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 828de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 829de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 830de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 831de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 832de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 833de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 834de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 835de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 836de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 837de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 838de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 839de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 840de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 841de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 842de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 843de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 8443ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Set up cipher suites unless driver already did */ 8453ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!local->hw.wiphy->cipher_suites) { 8463ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = cipher_suites; 8473ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 8483ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) 8493ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites--; 8503ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 8515daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) { 8523ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->hw.wiphy->cipher_suites == cipher_suites) { 8533ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites += 2; 8543ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites -= 2; 8553ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } else { 8563ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 *suites; 8573ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg int r, w = 0; 8583ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 8593ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Filter out WEP */ 8603ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 8613ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites = kmemdup( 8623ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites, 8633ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg sizeof(u32) * local->hw.wiphy->n_cipher_suites, 8643ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg GFP_KERNEL); 8653ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!suites) 8663ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg return -ENOMEM; 8673ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) { 8683ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 suite = local->hw.wiphy->cipher_suites[r]; 8693ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (suite == WLAN_CIPHER_SUITE_WEP40 || 8703ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suite == WLAN_CIPHER_SUITE_WEP104) 8713ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg continue; 8723ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites[w++] = suite; 8733ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 8743ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = suites; 8753ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = w; 8763ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->wiphy_ciphers_allocated = true; 8773ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 8785daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg } 87925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 88021f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg if (!local->ops->remain_on_channel) 88121f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg local->hw.wiphy->max_remain_on_channel_duration = 5000; 882a293911d4fd5e8593dbf478399a77f990d466269Johannes Berg 88379f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho if (local->ops->sched_scan_start) 88479f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho local->hw.wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 88579f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho 886dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov /* mac80211 based drivers don't support internal TDLS setup */ 887dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov if (local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) 888dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov local->hw.wiphy->flags |= WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 889dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov 890f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 891f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 8922a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 893f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 894e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 895e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 896e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 897e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 898e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 899e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 900e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 90142935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 90299b88a0ecbdbc6df03527292571b2b442965814aTejun Heo alloc_ordered_workqueue(wiphy_name(local->hw.wiphy), 0); 90342935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 904f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 905f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 906f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 907f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 908b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 909b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 910b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 911b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 912b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 91333ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 914a2fe81667410723d941a688e1958a49d67ca3346Helmut Schaa IEEE80211_TX_STATUS_HEADROOM); 915b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 916e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 917e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 918b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 919b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 920b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 921b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 922ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 923b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 924ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 925ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 926ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 927ff61638105db6f5832ef8700436ba6aa6d3a2fdaJuuso Oikarinen local->dynamic_ps_forced_timeout = -1; 928195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 929d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 9303473187d2459a078e00e5fac8aafc30af69c57faJohn W. Linville if (result < 0) 9310fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", 9320fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches result); 933d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 934b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan ieee80211_led_init(local); 935b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan 936f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 937f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 938830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 939830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 940f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 9410fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, 9420fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to initialize rate control algorithm\n"); 943f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 944f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 945f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 9468dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 9478dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 9488dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 9498dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 9508dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 9510fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, 9520fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to add default virtual iface\n"); 9538dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 954f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 955f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 956f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 95710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 95810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 95910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 96010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 96110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 96210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 96310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 96410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 96510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 96626b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 9672b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 9682b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 9692b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 9702b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 97126b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 9722b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 9734e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll, 9744e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville local->hw.napi_weight); 9754e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 976f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 977f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 97893c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#ifdef CONFIG_INET 9792b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 9802b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 9812b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 9822b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 98393c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#endif 98410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 98510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 98610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 98710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 988f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 989d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 990f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 99142935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 99210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 993f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 99410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 9953ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 9963ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 99711ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 998f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 999f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1000f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 1001f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1002f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 1003f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1004f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1005f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1006f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 1007f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 1008f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 100910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 101010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 101126b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 10122b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 101326b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 101410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 1015f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 1016f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 101779010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 101879010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 101979010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 102079010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 102179010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 102275636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 10235b2812e925c8e976852867f8d760637c5926d817Johannes Berg 1024f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1025f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1026258086a48b766d12a500f98834654ffa927ca475Christian Lamparter cancel_work_sync(&local->restart_work); 10273ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 10283ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 1029f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 1030f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 1031f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1032f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 1033f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 10340fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); 1035f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 1036f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 103724a8fdad35835e8d71f7c4b978a246fafed2e7b4Christian Lamparter skb_queue_purge(&local->rx_skb_queue); 1038f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 103942935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 1040f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 1041ecb4433550f0620f3d1471ae7099037ede30a91eStanislaw Gruszka sta_info_stop(local); 1042f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 1043f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 10445ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 1045f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1046f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 1047f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1048a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Bergstatic int ieee80211_free_ack_frame(int id, void *p, void *data) 1049a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg{ 1050a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg WARN_ONCE(1, "Have pending ack frames!\n"); 1051a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg kfree_skb(p); 1052a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg return 0; 1053a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg} 1054a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1055f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 1056f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1057f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1058f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1059c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 1060a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_destroy(&local->mtx); 1061c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 10623ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 10633ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 10643ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 1065a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_for_each(&local->ack_status_frames, 1066a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg ieee80211_free_ack_frame, NULL); 1067a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_destroy(&local->ack_status_frames); 1068a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1069f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 1070f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1071f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 1072f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1073f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 1074f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1075f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 1076f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 1077f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1078e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 1079e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 1080c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 1081f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1082cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 1083cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 1084cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 1085cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 1086ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 1087ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 1088ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 1089ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 10904b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg ret = rc80211_pid_init(); 1091ad01837593338f13508463fa11c8dbf8109a1e5dMattias Nissler if (ret) 109247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_pid; 1093f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 109447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 109547846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 109647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 1097e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 1098f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 109947846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 110047846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_pid_exit(); 110147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_pid: 1102ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1103ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 110447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 110547846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 110647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 1107f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1108f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1109f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 1110f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 11114b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg rc80211_pid_exit(); 1112ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1113cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 1114ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 1115f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo if (mesh_allocated) 1116f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo ieee80211s_stop(); 1117902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 111847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 1119d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg 1120d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg rcu_barrier(); 1121f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1122f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1123f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1124ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 1125f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 1126f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1127f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 1128f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 1129