main.c revision e269d8600a8f6a9f2387b3f283bfb579a5479dc3
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) || 15304b7b2ff50fc77380c1e711f1d7223734547e41bJohannes Berg test_bit(SCAN_HW_SCANNING, &local->scanning) || 15404b7b2ff50fc77380c1e711f1d7223734547e41bJohannes Berg !local->ap_power_level) 155e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg power = chan->max_power; 1568318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg else 15704b7b2ff50fc77380c1e711f1d7223734547e41bJohannes Berg power = min(chan->max_power, local->ap_power_level); 158a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 15947afbaf5af9454a7a1a64591e20cbfcc27ca67a8Johannes Berg if (local->user_power_level >= 0) 160a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = min(power, local->user_power_level); 161a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 162e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (local->hw.conf.power_level != power) { 163e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_POWER; 164e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.power_level = power; 165e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 166b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg 167e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (changed && local->open_count) { 1682448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg ret = drv_config(local, changed); 169d73782fdde76554016abf73b46f843b29f520848Johannes Berg /* 170447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Goal: 171d73782fdde76554016abf73b46f843b29f520848Johannes Berg * HW reconfiguration should never fail, the driver has told 172d73782fdde76554016abf73b46f843b29f520848Johannes Berg * us what it can support so it should live up to that promise. 173447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 174447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Current status: 175447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * rfkill is not integrated with mac80211 and a 176447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * configuration command can thus fail if hardware rfkill 177447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * is enabled 178447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 179447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * FIXME: integrate rfkill with mac80211 and then add this 180447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * WARN_ON() back 181447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 182d73782fdde76554016abf73b46f843b29f520848Johannes Berg */ 183447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre /* WARN_ON(ret); */ 184d73782fdde76554016abf73b46f843b29f520848Johannes Berg } 185f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 186b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg return ret; 187b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg} 188f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 189471b3efdfccc257591331724145f8ccf8b3217e1Johannes Bergvoid ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 190471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg u32 changed) 191d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 192471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg struct ieee80211_local *local = sdata->local; 1939cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg static const u8 zero[ETH_ALEN] = { 0 }; 194471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 195471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg if (!changed) 196471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg return; 197471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 1989cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.type == NL80211_IFTYPE_STATION) { 19966e67e418908442389d3a9e6509985f01cbaf9b0Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid; 2009cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) 2012d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.ibss.bssid; 2022d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (sdata->vif.type == NL80211_IFTYPE_AP) 20347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg sdata->vif.bss_conf.bssid = sdata->vif.addr; 2041be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan else if (sdata->vif.type == NL80211_IFTYPE_WDS) 2051be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan sdata->vif.bss_conf.bssid = NULL; 2062d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (ieee80211_vif_is_mesh(&sdata->vif)) { 2072d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = zero; 208f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) { 209f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg sdata->vif.bss_conf.bssid = sdata->vif.addr; 210f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg WARN_ONCE(changed & ~(BSS_CHANGED_IDLE), 211f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg "P2P Device BSS changed %#x", changed); 2122d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2132d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2142d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2152d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2162d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2172d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2182d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2192d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2201be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan case NL80211_IFTYPE_WDS: 2212d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 2222d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2232d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2242d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* do not warn to simplify caller in scan.c */ 2252d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg changed &= ~BSS_CHANGED_BEACON_ENABLED; 2262d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (WARN_ON(changed & BSS_CHANGED_BEACON)) 2272d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2282d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2292d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2302d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2312d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (changed & BSS_CHANGED_BEACON_ENABLED) { 2329607e6b66a0d25ca63b70d54a4283fa13d8f7c9dJohannes Berg if (local->quiescing || !ieee80211_sdata_running(sdata) || 233b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state)) { 2342d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = false; 2352d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2362d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* 2372d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * Beacon should be enabled, but AP mode must 2382d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * check whether there is a beacon configured. 2392d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg */ 2402d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2412d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2422d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2430379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ap.beacon; 2442d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2452d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2462d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2470379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ibss.presp; 2482d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2497659a193f94c0003dd06e9e874d19bade1a8c952Javier Cardona#ifdef CONFIG_MAC80211_MESH 2502d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 25129cbe68c516a48a9a88b3226878570c6cbd83c02Johannes Berg sdata->vif.bss_conf.enable_beacon = 25229cbe68c516a48a9a88b3226878570c6cbd83c02Johannes Berg !!sdata->u.mesh.mesh_id_len; 2532d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2547659a193f94c0003dd06e9e874d19bade1a8c952Javier Cardona#endif 2552d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2562d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* not reached */ 2572d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2582d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2592d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2602d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2612d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2622d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 26312375ef933fa8271396ed0c1e318cb1bd2e2689dJohannes Berg drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed); 264d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 265d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 266f698d856f65c3fea091cc303a135967965c5b880Jasper Bryant-Greeneu32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) 267d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 268bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_cts_prot = false; 269bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_preamble = false; 270bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_slot = false; 2717a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg return BSS_CHANGED_ERP_CTS_PROT | 2727a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_PREAMBLE | 2737a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_SLOT; 274d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 275d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 276f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void ieee80211_tasklet_handler(unsigned long data) 277f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 278f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = (struct ieee80211_local *) data; 27937fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg struct sta_info *sta, *tmp; 28037fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg struct skb_eosp_msg_data *eosp_data; 281f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 282f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 283f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc while ((skb = skb_dequeue(&local->skb_queue)) || 284f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (skb = skb_dequeue(&local->skb_queue_unreliable))) { 285f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc switch (skb->pkt_type) { 286f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_RX_MSG: 28751fb61e76d952e6bc2fbdd9f0d38425fbab1cf31Johannes Berg /* Clear skb->pkt_type in order to not confuse kernel 288f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * netstack. */ 289f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 290005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_rx(&local->hw, skb); 291f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 292f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_TX_STATUS_MSG: 293f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 294005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_tx_status(&local->hw, skb); 295f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 29637fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg case IEEE80211_EOSP_MSG: 29737fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg eosp_data = (void *)skb->cb; 29837fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg for_each_sta_info(local, eosp_data->sta, sta, tmp) { 29937fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg /* skip wrong virtual interface */ 30037fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg if (memcmp(eosp_data->iface, 30137fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg sta->sdata->vif.addr, ETH_ALEN)) 30237fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg continue; 30337fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg clear_sta_flag(sta, WLAN_STA_SP); 30437fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg break; 30537fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg } 30637fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg dev_kfree_skb(skb); 30737fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg break; 308f4ea83dd743d3e1bec8fdf954ac911c6b12ae87aJohannes Berg default: 3095e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger WARN(1, "mac80211: Packet is of unknown type %d\n", 3105e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger skb->pkt_type); 311f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc dev_kfree_skb(skb); 312f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 313f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 314f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 315f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 316f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 317f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergstatic void ieee80211_restart_work(struct work_struct *work) 318f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 319f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = 320f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg container_of(work, struct ieee80211_local, restart_work); 321f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 322bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka /* wait for scan work complete */ 323bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka flush_workqueue(local->workqueue); 324bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 325bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_lock(&local->mtx); 32679f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) || 3275260a5b2c3524f198ea062fe0a6a4faa724e6a9dJohannes Berg rcu_dereference_protected(local->sched_scan_sdata, 3285260a5b2c3524f198ea062fe0a6a4faa724e6a9dJohannes Berg lockdep_is_held(&local->mtx)), 329bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka "%s called with hardware scan in progress\n", __func__); 330bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_unlock(&local->mtx); 331bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 332f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 3334136c4224ccf1907d309e1cdfaefef9da97dbc5eStanislaw Gruszka ieee80211_scan_cancel(local); 334f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 335f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 336f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 337f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 338f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 339f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 340f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 341f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 342b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 343b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 344b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch wiphy_info(hw->wiphy, 345b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch "Hardware restart was requested\n"); 346b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch 34718145c69349f2ab60c470798f83b3a2639e2a8d9John W. Linville /* use this reason, ieee80211_reconfig will unblock it */ 348f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_stop_queues_by_reason(hw, 349f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND); 350f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 35104800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov /* 35204800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * Stop all Rx during the reconfig. We don't want state changes 35304800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * or driver callbacks while this is in progress. 35404800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov */ 35504800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov local->in_reconfig = true; 35604800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov barrier(); 35704800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov 358f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg schedule_work(&local->restart_work); 359f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 360f2753ddbadb0873a98421415882318251bbd9eaaJohannes BergEXPORT_SYMBOL(ieee80211_restart_hw); 361f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 3620f78231bffb868a30e8533aace142213266bb811Johannes Bergstatic void ieee80211_recalc_smps_work(struct work_struct *work) 3630f78231bffb868a30e8533aace142213266bb811Johannes Berg{ 3640f78231bffb868a30e8533aace142213266bb811Johannes Berg struct ieee80211_local *local = 3650f78231bffb868a30e8533aace142213266bb811Johannes Berg container_of(work, struct ieee80211_local, recalc_smps); 3660f78231bffb868a30e8533aace142213266bb811Johannes Berg 367025e6be220e448c02045e8499c7db8ce4bc8eea2Johannes Berg ieee80211_recalc_smps(local); 3680f78231bffb868a30e8533aace142213266bb811Johannes Berg} 3690f78231bffb868a30e8533aace142213266bb811Johannes Berg 37026b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 3712b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenstatic int ieee80211_ifa_changed(struct notifier_block *nb, 3722b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unsigned long data, void *arg) 3732b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 3742b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_ifaddr *ifa = arg; 3752b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_local *local = 3762b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen container_of(nb, struct ieee80211_local, 3772b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifa_notifier); 3782b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct net_device *ndev = ifa->ifa_dev->dev; 3792b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct wireless_dev *wdev = ndev->ieee80211_ptr; 380685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct in_device *idev; 3812b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_sub_if_data *sdata; 382685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct ieee80211_bss_conf *bss_conf; 3832b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_if_managed *ifmgd; 384685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen int c = 0; 3852b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3862b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* Make sure it's our interface that got changed */ 3872b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!wdev) 3882b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3892b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3902b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (wdev->wiphy != local->hw.wiphy) 3912b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3922b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3932b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 394685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf = &sdata->vif.bss_conf; 3952b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3962b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* ARP filtering is only supported in managed mode */ 3972b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (sdata->vif.type != NL80211_IFTYPE_STATION) 3982b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3992b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 40095ae6b228f814fc0528d0506ee9f18ac333d6851Eric Dumazet idev = __in_dev_get_rtnl(sdata->dev); 401685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (!idev) 402685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen return NOTIFY_DONE; 403685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 4042b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifmgd = &sdata->u.mgd; 4052b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_lock(&ifmgd->mtx); 406685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 407685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Copy the addresses to the bss_conf list */ 408685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = idev->ifa_list; 409685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen while (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN && ifa) { 410685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_list[c] = ifa->ifa_address; 411685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = ifa->ifa_next; 412685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c++; 413685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 414685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 415685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* If not all addresses fit the list, disable filtering */ 416685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifa) { 417685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = false; 418685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c = 0; 419685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } else { 420685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = true; 421685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 422685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_cnt = c; 423685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 42453d69c399abf3b382c1e737ff9402d31ca5a7a51Eliad Peller /* Configure driver only if associated (which also implies it is up) */ 425685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifmgd->associated) { 426685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_filter_enabled = sdata->arp_filter_state; 427685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ieee80211_bss_info_change_notify(sdata, 428685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen BSS_CHANGED_ARP_FILTER); 429685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 430685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 4312b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_unlock(&ifmgd->mtx); 4322b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4332b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 4342b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 43526b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 4362b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4374e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillestatic int ieee80211_napi_poll(struct napi_struct *napi, int budget) 4384e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4394e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = 4404e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville container_of(napi, struct ieee80211_local, napi); 4414e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4424e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville return local->ops->napi_poll(&local->hw, budget); 4434e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4444e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4454e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_schedule(struct ieee80211_hw *hw) 4464e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4474e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4484e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4494e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_schedule(&local->napi); 4504e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4514e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_schedule); 4524e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4534e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_complete(struct ieee80211_hw *hw) 4544e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4554e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4564e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4574e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_complete(&local->napi); 4584e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4594e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_complete); 4604e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4612e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg/* There isn't a lot of sense in it, but you can transmit anything you like */ 4622e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergstatic const struct ieee80211_txrx_stypes 4632e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { 4642e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_ADHOC] = { 4652e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4663bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4673bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins BIT(IEEE80211_STYPE_AUTH >> 4) | 4683bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins BIT(IEEE80211_STYPE_DEAUTH >> 4), 4692e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4702e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_STATION] = { 4712e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4722e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4732e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4742e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4752e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP] = { 4762e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4772e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4782e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4792e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4802e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4812e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4822e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4832e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4842e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4852e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP_VLAN] = { 4862e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg /* copy AP */ 4872e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4882e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4892e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4902e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4912e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4922e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4932e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4942ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4952ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4962ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_CLIENT] = { 4972ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4982ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4992ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 5002ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 5012ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_GO] = { 5022ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 5032ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 5042ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 5052ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 5062e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 5072e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 5082e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 5092e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 5102e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 511c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona [NL80211_IFTYPE_MESH_POINT] = { 512c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona .tx = 0xffff, 51371839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 51471839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_AUTH >> 4) | 51571839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_DEAUTH >> 4), 516c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona }, 517f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg [NL80211_IFTYPE_P2P_DEVICE] = { 518f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg .tx = 0xffff, 519f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 520f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 521f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg }, 5222e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg}; 5232e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 524ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greearstatic const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = { 525ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .ampdu_params_info = IEEE80211_HT_AMPDU_PARM_FACTOR | 526ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_AMPDU_PARM_DENSITY, 527ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 528ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 529ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_MAX_AMSDU | 530ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_SGI_40), 531ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .mcs = { 532ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff, 533ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 0xff, 0xff, 0xff, 0xff, 0xff, }, 534ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear }, 535ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear}; 536ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 537f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 538f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 539f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 540f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 54196f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 542f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 543f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 544c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config || 545c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->add_interface || !ops->remove_interface || 546c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->configure_filter)) 547c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg return NULL; 548c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg 549f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove))) 550f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg return NULL; 551f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg 552e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg /* check all or no channel context operations exist */ 553e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg i = !!ops->add_chanctx + !!ops->remove_chanctx + 554e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->change_chanctx + !!ops->assign_vif_chanctx + 555e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->unassign_vif_chanctx; 556e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg if (WARN_ON(i != 0 && i != 5)) 557e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg return NULL; 558e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg 559f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 560f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 561f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 562f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 563f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 564f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 565f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 566f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 567f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 568f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 569f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 570f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 571f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 572f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 573f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 5741ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 575f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 576f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 577f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 578f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 579f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 580f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5812e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; 5822e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 583207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->privid = mac80211_wiphy_privid; 584207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 5859bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 5869bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 587ee971924543fe82f279d3e97f6f6d02320b381b7Johannes Berg WIPHY_FLAG_4ADDR_STATION | 5887c4ef7122cef54dc49562eea35cbfaf0f44faa0bJohannes Berg WIPHY_FLAG_REPORTS_OBSS | 58981ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg WIPHY_FLAG_OFFCHAN_TX; 59081ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg 59181ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg if (ops->remain_on_channel) 59281ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 593207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 59413c40c54682ffe62977f670681268a26d500d6faAlexander Simon wiphy->features = NL80211_FEATURE_SK_TX_STATUS | 59513c40c54682ffe62977f670681268a26d500d6faAlexander Simon NL80211_FEATURE_HT_IBSS; 596a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 597207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg if (!ops->set_key) 598207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 59918a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 6000c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 601f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 602f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 603de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 604f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 605f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6061ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 607f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 608f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 609f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 610e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 611e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 612e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 61378be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa local->hw.max_report_rates = 0; 614df6ba5d80d6c9b51471d5fa046c3c06988e5f62aLuciano Coelho local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 61539e68712d75700ec09770c7ad9e8e4abc65db7c6Helmut Schaa local->hw.max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 6163a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue = IEEE80211_INVAL_HW_QUEUE; 617b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 618b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 619ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg local->hw.radiotap_mcs_details = IEEE80211_RADIOTAP_MCS_HAVE_MCS | 620ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_GI | 621ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_BW; 622c428c89201a57a0ce24c37ed79e540d1f4101cf3Johannes Berg local->user_power_level = -1; 623ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask; 624f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 62579010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 6262f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 6272f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 6282f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 629c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 630a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_init(&local->mtx); 631f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 632ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 6333b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 634ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 635ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 636d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior INIT_LIST_HEAD(&local->chanctx_list); 637d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior mutex_init(&local->chanctx_mtx); 638d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior 639681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg /* 640681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * The rx_skb_queue is only accessed from tasklets, 641681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * but other SKB queues are used from within IRQ 642681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * context. Therefore, this one needs a different 643681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * locking class so our direct, non-irq-safe use of 644681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * the queue's lock doesn't throw lockdep warnings. 645681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg */ 646681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg skb_queue_head_init_class(&local->rx_skb_queue, 647681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg &ieee80211_rx_skb_queue_class); 64824a8fdad35835e8d71f7c4b978a246fafed2e7b4Christian Lamparter 649c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 650f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 651f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 652f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 6533ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 6540f78231bffb868a30e8533aace142213266bb811Johannes Berg INIT_WORK(&local->recalc_smps, ieee80211_recalc_smps_work); 6550f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 6563ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 657520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 658520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 659520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 660520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 661520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 662520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 663520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 66485a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho INIT_WORK(&local->sched_scan_stopped_work, 66585a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho ieee80211_sched_scan_stopped_work); 66685a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho 667a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg spin_lock_init(&local->ack_status_lock); 668a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_init(&local->ack_status_frames); 669a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg /* preallocate at least one entry */ 670a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_pre_get(&local->ack_status_frames, GFP_KERNEL); 671a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 672f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 673f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 674a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 6752a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 676a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg atomic_set(&local->agg_queue_stop[i], 0); 677a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg } 678f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 679f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 680f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 681f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 682f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 683f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 684f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 685f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 686f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 687f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6884e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville /* init dummy netdev for use w/ NAPI */ 6894e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville init_dummy_netdev(&local->napi_dev); 6904e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 691fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg ieee80211_led_names(local); 692fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg 6932eb278e083549f4eb29838037004054b3b55df62Johannes Berg ieee80211_roc_setup(local); 69421f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg 695005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg return &local->hw; 696f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 697f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 698f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 699f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencint ieee80211_register_hw(struct ieee80211_hw *hw) 700f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 701f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 7027527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg int result, i; 7038318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg enum ieee80211_band band; 704be4a4b6a5d2f76393f545a2545fbaa1b65577e13Johannes Berg int channels, max_bitrates; 705ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela bool supp_ht, supp_vht; 70672d7872852e1734e94686012a2e9deade3457329Arik Nemtsov netdev_features_t feature_whitelist; 70725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 7085daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg /* keep WEP first, it may be removed below */ 70925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 71025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 71125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 71225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 71325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 71425e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 71525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 71625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 7178318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 7183a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg if (hw->flags & IEEE80211_HW_QUEUE_CONTROL && 7193a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg (local->hw.offchannel_tx_hw_queue == IEEE80211_INVAL_HW_QUEUE || 7203a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue >= local->hw.queues)) 7213a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg return -EINVAL; 7223a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg 72338bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger#ifdef CONFIG_PM 724dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg if ((hw->wiphy->wowlan.flags || hw->wiphy->wowlan.n_patterns) && 725dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg (!local->ops->suspend || !local->ops->resume)) 726eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg return -EINVAL; 727dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg#endif 728eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg 729885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller if ((hw->flags & IEEE80211_HW_SCAN_WHILE_IDLE) && !local->ops->hw_scan) 730885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller return -EINVAL; 731885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller 73272d7872852e1734e94686012a2e9deade3457329Arik Nemtsov /* Only HW csum features are currently compatible with mac80211 */ 73372d7872852e1734e94686012a2e9deade3457329Arik Nemtsov feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | 73472d7872852e1734e94686012a2e9deade3457329Arik Nemtsov NETIF_F_HW_CSUM; 73572d7872852e1734e94686012a2e9deade3457329Arik Nemtsov if (WARN_ON(hw->netdev_features & ~feature_whitelist)) 73672d7872852e1734e94686012a2e9deade3457329Arik Nemtsov return -EINVAL; 73772d7872852e1734e94686012a2e9deade3457329Arik Nemtsov 73878be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa if (hw->max_report_rates == 0) 73978be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa hw->max_report_rates = hw->max_rates; 74078be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa 7418318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 7428318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 7438318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 7448318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 7458318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 7462a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 747de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 7485ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 749ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = false; 7508318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 7518318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 7528318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 7538318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 754de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 755de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 756de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->oper_channel) { 7578318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 7588318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg local->hw.conf.channel = 75958905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->oper_channel = &sband->channels[0]; 76058905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->hw.conf.channel_type = NL80211_CHAN_NO_HT; 7618318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 762de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 763de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 764de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 765de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 7665ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 767ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = supp_vht || sband->vht_cap.vht_supported; 7688318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 769f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 7705ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 7715ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg sizeof(void *) * channels, GFP_KERNEL); 7725ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg if (!local->int_scan_req) 7732a5193119269062608582418deba7af82844159aJohannes Berg return -ENOMEM; 7742a5193119269062608582418deba7af82844159aJohannes Berg 775c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 776c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich if (!local->hw.wiphy->bands[band]) 777c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich continue; 778c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich local->int_scan_req->rates[band] = (u32) -1; 779c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich } 780c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich 781f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 7827527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { 7837527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 7847527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN); 7857527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg } 786f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 787f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 7887527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 7897527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR); 7907527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg 7918e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg /* 7928e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg * mac80211 doesn't support more than 1 channel, and also not more 7938e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg * than one IBSS interface 7948e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg */ 7958e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (i = 0; i < hw->wiphy->n_iface_combinations; i++) { 7968e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg const struct ieee80211_iface_combination *c; 7978e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg int j; 7988e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 7998e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c = &hw->wiphy->iface_combinations[i]; 8008e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8018e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg if (c->num_different_channels > 1) 8027527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg return -EINVAL; 803f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 8048e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (j = 0; j < c->n_limits; j++) 8058e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg if ((c->limits[j].types & BIT(NL80211_IFTYPE_ADHOC)) && 8068e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c->limits[j].max > 1) 8078e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg return -EINVAL; 8088e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg } 8098e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8105eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#ifndef CONFIG_MAC80211_MESH 8115eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg /* mesh depends on Kconfig, but drivers should set it if they want */ 8125eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT); 8135eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#endif 8145eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg 8151570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona /* if the underlying driver supports mesh, mac80211 will (at least) 8161570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona * provide routing of mesh authentication frames to userspace */ 8171570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT)) 8181570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona local->hw.wiphy->flags |= WIPHY_FLAG_MESH_AUTH; 8191570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona 820a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg /* mac80211 supports control port protocol changing */ 821a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL; 822a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg 82377965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) 82477965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 82577965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) 82677965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 82777965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 828ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 829ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 830ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 831ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 832de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 833de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 834de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 835dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen * includes the DS Params, (extended) supported rates, and HT 836de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 837de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 838dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ + 839dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen 3 /* DS Params */; 8405ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 8415ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 842de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 843ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela if (supp_vht) 844ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela local->scan_ies_len += 845ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela 2 + sizeof(struct ieee80211_vht_capabilities); 846ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela 847de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 848de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 849de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 850de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 851de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 852de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 853de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 854de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 855de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 856de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 857de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 858de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 859de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 860de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 861de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 862de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 8633ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Set up cipher suites unless driver already did */ 8643ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!local->hw.wiphy->cipher_suites) { 8653ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = cipher_suites; 8663ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 8673ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) 8683ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites--; 8693ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 8705daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) { 8713ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->hw.wiphy->cipher_suites == cipher_suites) { 8723ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites += 2; 8733ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites -= 2; 8743ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } else { 8753ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 *suites; 8763ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg int r, w = 0; 8773ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 8783ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Filter out WEP */ 8793ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 8803ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites = kmemdup( 8813ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites, 8823ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg sizeof(u32) * local->hw.wiphy->n_cipher_suites, 8833ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg GFP_KERNEL); 8843ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!suites) 8853ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg return -ENOMEM; 8863ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) { 8873ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 suite = local->hw.wiphy->cipher_suites[r]; 8883ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (suite == WLAN_CIPHER_SUITE_WEP40 || 8893ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suite == WLAN_CIPHER_SUITE_WEP104) 8903ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg continue; 8913ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites[w++] = suite; 8923ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 8933ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = suites; 8943ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = w; 8953ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->wiphy_ciphers_allocated = true; 8963ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 8975daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg } 89825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 89921f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg if (!local->ops->remain_on_channel) 90021f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg local->hw.wiphy->max_remain_on_channel_duration = 5000; 901a293911d4fd5e8593dbf478399a77f990d466269Johannes Berg 90279f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho if (local->ops->sched_scan_start) 90379f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho local->hw.wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 90479f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho 905dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov /* mac80211 based drivers don't support internal TDLS setup */ 906dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov if (local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) 907dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov local->hw.wiphy->flags |= WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 908dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov 909f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 910f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 9112a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 912f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 913e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 914e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 915e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 916e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 917e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 918e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 919e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 92042935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 92199b88a0ecbdbc6df03527292571b2b442965814aTejun Heo alloc_ordered_workqueue(wiphy_name(local->hw.wiphy), 0); 92242935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 923f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 924f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 925f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 926f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 927b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 928b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 929b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 930b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 931b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 93233ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 933a2fe81667410723d941a688e1958a49d67ca3346Helmut Schaa IEEE80211_TX_STATUS_HEADROOM); 934b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 935e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 936e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 937b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 938b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 939b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 940b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 941ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 942b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 943ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 944ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 945ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 946ff61638105db6f5832ef8700436ba6aa6d3a2fdaJuuso Oikarinen local->dynamic_ps_forced_timeout = -1; 947195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 948d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 9493473187d2459a078e00e5fac8aafc30af69c57faJohn W. Linville if (result < 0) 9500fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", 9510fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches result); 952d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 953b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan ieee80211_led_init(local); 954b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan 955f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 956f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 957830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 958830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 959f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 9600fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, 9610fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to initialize rate control algorithm\n"); 962f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 963f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 964f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 9658dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 9668dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 9678dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 9688dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 9698dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 9700fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, 9710fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to add default virtual iface\n"); 9728dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 973f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 974f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 975f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 97610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 97710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 97810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 97910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 98010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 98110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 98210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 98310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 98410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 98526b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 9862b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 9872b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 9882b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 9892b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 99026b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 9912b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 9924e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll, 9934e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville local->hw.napi_weight); 9944e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 995f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 996f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 99793c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#ifdef CONFIG_INET 9982b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 9992b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 10002b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 10012b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 100293c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#endif 100310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 100410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 100510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 100610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 1007f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1008d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 1009f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 101042935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 101110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 1012f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 101310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 10143ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 10153ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 101611ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 1017f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 1018f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1019f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 1020f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1021f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 1022f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1023f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1024f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1025f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 1026f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 1027f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 102810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 102910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 103026b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 10312b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 103226b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 103310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 1034f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 1035f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 103679010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 103779010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 103879010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 103979010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 104079010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 104175636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 10425b2812e925c8e976852867f8d760637c5926d817Johannes Berg 1043f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1044f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1045258086a48b766d12a500f98834654ffa927ca475Christian Lamparter cancel_work_sync(&local->restart_work); 10463ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 10473ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 1048f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 1049f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 1050f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1051f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 1052f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 10530fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); 1054f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 1055f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 105624a8fdad35835e8d71f7c4b978a246fafed2e7b4Christian Lamparter skb_queue_purge(&local->rx_skb_queue); 1057f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 105842935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 1059f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 1060ecb4433550f0620f3d1471ae7099037ede30a91eStanislaw Gruszka sta_info_stop(local); 1061f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 1062f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 10635ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 1064f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1065f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 1066f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1067a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Bergstatic int ieee80211_free_ack_frame(int id, void *p, void *data) 1068a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg{ 1069a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg WARN_ONCE(1, "Have pending ack frames!\n"); 1070a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg kfree_skb(p); 1071a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg return 0; 1072a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg} 1073a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1074f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 1075f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1076f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1077f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1078c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 1079a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_destroy(&local->mtx); 1080c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 10813ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 10823ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 10833ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 1084a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_for_each(&local->ack_status_frames, 1085a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg ieee80211_free_ack_frame, NULL); 1086a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_destroy(&local->ack_status_frames); 1087a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1088f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 1089f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1090f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 1091f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1092f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 1093f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1094f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 1095f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 1096f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1097e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 1098e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 1099c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 1100f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1101cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 1102cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 1103cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 1104cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 1105ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 1106ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 1107ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 1108ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 11094b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg ret = rc80211_pid_init(); 1110ad01837593338f13508463fa11c8dbf8109a1e5dMattias Nissler if (ret) 111147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_pid; 1112f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 111347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 111447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 111547846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 1116e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 1117f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 111847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 111947846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_pid_exit(); 112047846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_pid: 1121ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1122ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 112347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 112447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 112547846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 1126f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1127f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1128f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 1129f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 11304b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg rc80211_pid_exit(); 1131ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1132cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 1133ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 1134f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo if (mesh_allocated) 1135f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo ieee80211s_stop(); 1136902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 113747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 1138d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg 1139d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg rcu_barrier(); 1140f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1141f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1142f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1143ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 1144f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 1145f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1146f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 1147f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 1148