main.c revision 4136c4224ccf1907d309e1cdfaefef9da97dbc5e
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> 2210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg#include <linux/pm_qos_params.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 36f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes Berg 37f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes Bergbool ieee80211_disable_40mhz_24ghz; 38f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes Bergmodule_param(ieee80211_disable_40mhz_24ghz, bool, 0644); 39f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes BergMODULE_PARM_DESC(ieee80211_disable_40mhz_24ghz, 40f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes Berg "Disable 40MHz support in the 2.4GHz band"); 41f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes Berg 420d143fe1e2efc084fa730d2dfa22d0d1ca2ee5f1Johannes Bergvoid ieee80211_configure_filter(struct ieee80211_local *local) 434150c57212ad134765dd78c654a4b9906252b66dJohannes Berg{ 443ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg u64 mc; 454150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int changed_flags; 464150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int new_flags = 0; 474150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 4853918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_promiscs)) 494150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_PROMISC_IN_BSS; 504150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 5153918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_allmultis)) 524150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_ALLMULTI; 534150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 543ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg if (local->monitors || local->scanning) 558cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_BCN_PRBRESP_PROMISC; 568cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 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{ 9858905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg struct ieee80211_channel *chan, *scan_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 10658905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg scan_chan = local->scan_channel; 10758905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg 108ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 10958905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg if (scan_chan) { 11058905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg chan = scan_chan; 111094d05dc32fc2930e381189a942016e5561775d9Sujith channel_type = NL80211_CHAN_NO_HT; 1124552124543141debf40a94b67155e57aa6bb34d6Felix Fietkau local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; 1138d4780eb1ece4e8109b4f6b2e5e61f7fc593c3f4Luis R. Rodriguez } else if (local->tmp_channel && 1148d4780eb1ece4e8109b4f6b2e5e61f7fc593c3f4Luis R. Rodriguez local->oper_channel != local->tmp_channel) { 115b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg chan = scan_chan = local->tmp_channel; 116b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg channel_type = local->tmp_channel_type; 1174552124543141debf40a94b67155e57aa6bb34d6Felix Fietkau local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; 11872bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } else { 119b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg chan = local->oper_channel; 1200aaffa9b9699894aab3266195a529baf9f96ac29Johannes Berg channel_type = local->_oper_channel_type; 1214552124543141debf40a94b67155e57aa6bb34d6Felix Fietkau local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL; 12272bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } 123ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 124f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 125ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau if (offchannel_flag || chan != local->hw.conf.channel || 1264797938c5dfa22af30fd16679192972f878419a1Johannes Berg channel_type != local->hw.conf.channel_type) { 127e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.channel = chan; 1284797938c5dfa22af30fd16679192972f878419a1Johannes Berg local->hw.conf.channel_type = channel_type; 129e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_CHANNEL; 130e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 1318318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 1320f78231bffb868a30e8533aace142213266bb811Johannes Berg if (!conf_is_ht(&local->hw.conf)) { 1330f78231bffb868a30e8533aace142213266bb811Johannes Berg /* 1340f78231bffb868a30e8533aace142213266bb811Johannes Berg * mac80211.h documents that this is only valid 1350f78231bffb868a30e8533aace142213266bb811Johannes Berg * when the channel is set to an HT type, and 1360f78231bffb868a30e8533aace142213266bb811Johannes Berg * that otherwise STATIC is used. 1370f78231bffb868a30e8533aace142213266bb811Johannes Berg */ 1380f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC; 1390f78231bffb868a30e8533aace142213266bb811Johannes Berg } else if (local->hw.conf.smps_mode != local->smps_mode) { 1400f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = local->smps_mode; 1410f78231bffb868a30e8533aace142213266bb811Johannes Berg changed |= IEEE80211_CONF_CHANGE_SMPS; 1420f78231bffb868a30e8533aace142213266bb811Johannes Berg } 1430f78231bffb868a30e8533aace142213266bb811Johannes Berg 14458905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg if (scan_chan) 145e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg power = chan->max_power; 1468318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg else 147a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = local->power_constr_level ? 148a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan (chan->max_power - local->power_constr_level) : 149a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan chan->max_power; 150a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 15147afbaf5af9454a7a1a64591e20cbfcc27ca67a8Johannes Berg if (local->user_power_level >= 0) 152a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = min(power, local->user_power_level); 153a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 154e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (local->hw.conf.power_level != power) { 155e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_POWER; 156e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.power_level = power; 157e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 158b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg 159e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (changed && local->open_count) { 1602448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg ret = drv_config(local, changed); 161d73782fdde76554016abf73b46f843b29f520848Johannes Berg /* 162447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Goal: 163d73782fdde76554016abf73b46f843b29f520848Johannes Berg * HW reconfiguration should never fail, the driver has told 164d73782fdde76554016abf73b46f843b29f520848Johannes Berg * us what it can support so it should live up to that promise. 165447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 166447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Current status: 167447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * rfkill is not integrated with mac80211 and a 168447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * configuration command can thus fail if hardware rfkill 169447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * is enabled 170447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 171447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * FIXME: integrate rfkill with mac80211 and then add this 172447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * WARN_ON() back 173447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 174d73782fdde76554016abf73b46f843b29f520848Johannes Berg */ 175447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre /* WARN_ON(ret); */ 176d73782fdde76554016abf73b46f843b29f520848Johannes Berg } 177f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 178b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg return ret; 179b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg} 180f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 181471b3efdfccc257591331724145f8ccf8b3217e1Johannes Bergvoid ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 182471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg u32 changed) 183d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 184471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg struct ieee80211_local *local = sdata->local; 1859cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg static const u8 zero[ETH_ALEN] = { 0 }; 186471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 187471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg if (!changed) 188471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg return; 189471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 1909cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.type == NL80211_IFTYPE_STATION) { 1919cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg /* 1929cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * While not associated, claim a BSSID of all-zeroes 1939cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * so that drivers don't do any weird things with the 1949cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * BSSID at that time. 1959cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg */ 1969cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.bss_conf.assoc) 1979cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid; 1989cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg else 1999cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg sdata->vif.bss_conf.bssid = zero; 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; 2082d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2092d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2102d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2112d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2122d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2132d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2142d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2152d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2161be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan case NL80211_IFTYPE_WDS: 2172d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 2182d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2192d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2202d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* do not warn to simplify caller in scan.c */ 2212d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg changed &= ~BSS_CHANGED_BEACON_ENABLED; 2222d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (WARN_ON(changed & BSS_CHANGED_BEACON)) 2232d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2242d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2252d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2262d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2272d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (changed & BSS_CHANGED_BEACON_ENABLED) { 2289607e6b66a0d25ca63b70d54a4283fa13d8f7c9dJohannes Berg if (local->quiescing || !ieee80211_sdata_running(sdata) || 22997af743207466ff8b477e14bfb7af0ba2c93375bBob Copeland test_bit(SCAN_SW_SCANNING, &local->scanning)) { 2302d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = false; 2312d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2322d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* 2332d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * Beacon should be enabled, but AP mode must 2342d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * check whether there is a beacon configured. 2352d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg */ 2362d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2372d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2382d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2390379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ap.beacon; 2402d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2412d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2422d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2430379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ibss.presp; 2442d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2452d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 2462d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = true; 2472d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2482d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2492d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* not reached */ 2502d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2512d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2522d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2532d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2542d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2552d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 25612375ef933fa8271396ed0c1e318cb1bd2e2689dJohannes Berg drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed); 257d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 258d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 259f698d856f65c3fea091cc303a135967965c5b880Jasper Bryant-Greeneu32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) 260d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 261bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_cts_prot = false; 262bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_preamble = false; 263bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_slot = false; 2647a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg return BSS_CHANGED_ERP_CTS_PROT | 2657a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_PREAMBLE | 2667a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_SLOT; 267d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 268d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 269f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void ieee80211_tasklet_handler(unsigned long data) 270f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 271f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = (struct ieee80211_local *) data; 272f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 273f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 274f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc while ((skb = skb_dequeue(&local->skb_queue)) || 275f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (skb = skb_dequeue(&local->skb_queue_unreliable))) { 276f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc switch (skb->pkt_type) { 277f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_RX_MSG: 27851fb61e76d952e6bc2fbdd9f0d38425fbab1cf31Johannes Berg /* Clear skb->pkt_type in order to not confuse kernel 279f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * netstack. */ 280f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 281f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx(local_to_hw(local), skb); 282f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 283f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_TX_STATUS_MSG: 284f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 285e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg ieee80211_tx_status(local_to_hw(local), skb); 286f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 287f4ea83dd743d3e1bec8fdf954ac911c6b12ae87aJohannes Berg default: 2885e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger WARN(1, "mac80211: Packet is of unknown type %d\n", 2895e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger skb->pkt_type); 290f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc dev_kfree_skb(skb); 291f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 292f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 293f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 294f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 295f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 296f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergstatic void ieee80211_restart_work(struct work_struct *work) 297f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 298f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = 299f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg container_of(work, struct ieee80211_local, restart_work); 300f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 301bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka /* wait for scan work complete */ 302bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka flush_workqueue(local->workqueue); 303bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 304bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_lock(&local->mtx); 305bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 306bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka "%s called with hardware scan in progress\n", __func__); 307bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_unlock(&local->mtx); 308bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 309f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 3104136c4224ccf1907d309e1cdfaefef9da97dbc5eStanislaw Gruszka ieee80211_scan_cancel(local); 311f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 312f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 313f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 314f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 315f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 316f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 317f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 318f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 319b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 320b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 32118145c69349f2ab60c470798f83b3a2639e2a8d9John W. Linville /* use this reason, ieee80211_reconfig will unblock it */ 322f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_stop_queues_by_reason(hw, 323f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND); 324f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 325f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg schedule_work(&local->restart_work); 326f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 327f2753ddbadb0873a98421415882318251bbd9eaaJohannes BergEXPORT_SYMBOL(ieee80211_restart_hw); 328f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 3290f78231bffb868a30e8533aace142213266bb811Johannes Bergstatic void ieee80211_recalc_smps_work(struct work_struct *work) 3300f78231bffb868a30e8533aace142213266bb811Johannes Berg{ 3310f78231bffb868a30e8533aace142213266bb811Johannes Berg struct ieee80211_local *local = 3320f78231bffb868a30e8533aace142213266bb811Johannes Berg container_of(work, struct ieee80211_local, recalc_smps); 3330f78231bffb868a30e8533aace142213266bb811Johannes Berg 3340f78231bffb868a30e8533aace142213266bb811Johannes Berg mutex_lock(&local->iflist_mtx); 335025e6be220e448c02045e8499c7db8ce4bc8eea2Johannes Berg ieee80211_recalc_smps(local); 3360f78231bffb868a30e8533aace142213266bb811Johannes Berg mutex_unlock(&local->iflist_mtx); 3370f78231bffb868a30e8533aace142213266bb811Johannes Berg} 3380f78231bffb868a30e8533aace142213266bb811Johannes Berg 33926b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 3402b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenstatic int ieee80211_ifa_changed(struct notifier_block *nb, 3412b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unsigned long data, void *arg) 3422b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 3432b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_ifaddr *ifa = arg; 3442b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_local *local = 3452b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen container_of(nb, struct ieee80211_local, 3462b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifa_notifier); 3472b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct net_device *ndev = ifa->ifa_dev->dev; 3482b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct wireless_dev *wdev = ndev->ieee80211_ptr; 349685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct in_device *idev; 3502b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_sub_if_data *sdata; 351685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct ieee80211_bss_conf *bss_conf; 3522b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_if_managed *ifmgd; 353685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen int c = 0; 3542b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3552b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* Make sure it's our interface that got changed */ 3562b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!wdev) 3572b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3582b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3592b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (wdev->wiphy != local->hw.wiphy) 3602b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3612b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3622b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 363685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf = &sdata->vif.bss_conf; 3642b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 36526a58456be40d8181b884eb5b4e61e3f73ba94e0Johannes Berg if (!ieee80211_sdata_running(sdata)) 36626a58456be40d8181b884eb5b4e61e3f73ba94e0Johannes Berg return NOTIFY_DONE; 36726a58456be40d8181b884eb5b4e61e3f73ba94e0Johannes Berg 3682b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* ARP filtering is only supported in managed mode */ 3692b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (sdata->vif.type != NL80211_IFTYPE_STATION) 3702b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3712b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 372685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen idev = sdata->dev->ip_ptr; 373685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (!idev) 374685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen return NOTIFY_DONE; 375685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 3762b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifmgd = &sdata->u.mgd; 3772b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_lock(&ifmgd->mtx); 378685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 379685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Copy the addresses to the bss_conf list */ 380685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = idev->ifa_list; 381685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen while (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN && ifa) { 382685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_list[c] = ifa->ifa_address; 383685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = ifa->ifa_next; 384685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c++; 385685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 386685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 387685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* If not all addresses fit the list, disable filtering */ 388685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifa) { 389685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = false; 390685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c = 0; 391685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } else { 392685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = true; 393685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 394685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_cnt = c; 395685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 396685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Configure driver only if associated */ 397685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifmgd->associated) { 398685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_filter_enabled = sdata->arp_filter_state; 399685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ieee80211_bss_info_change_notify(sdata, 400685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen BSS_CHANGED_ARP_FILTER); 401685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 402685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 4032b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_unlock(&ifmgd->mtx); 4042b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4052b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 4062b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 40726b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 4082b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4094e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillestatic int ieee80211_napi_poll(struct napi_struct *napi, int budget) 4104e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4114e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = 4124e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville container_of(napi, struct ieee80211_local, napi); 4134e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4144e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville return local->ops->napi_poll(&local->hw, budget); 4154e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4164e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4174e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_schedule(struct ieee80211_hw *hw) 4184e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4194e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4204e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4214e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_schedule(&local->napi); 4224e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4234e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_schedule); 4244e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4254e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_complete(struct ieee80211_hw *hw) 4264e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4274e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4284e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4294e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_complete(&local->napi); 4304e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4314e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_complete); 4324e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4332e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg/* There isn't a lot of sense in it, but you can transmit anything you like */ 4342e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergstatic const struct ieee80211_txrx_stypes 4352e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { 4362e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_ADHOC] = { 4372e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4382e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4), 4392e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4402e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_STATION] = { 4412e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4422e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4432e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4442e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4452e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP] = { 4462e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4472e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4482e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4492e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4502e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4512e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4522e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4532e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4542e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4552e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP_VLAN] = { 4562e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg /* copy AP */ 4572e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4582e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4592e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4602e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4612ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4622ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4632ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4642ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4652ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4662ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_CLIENT] = { 4672ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4682ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4692ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4702ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4712ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_GO] = { 4722ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4732ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4742ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4752ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4762e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4772e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4782e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4792e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4802e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4812e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg}; 4822e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 483f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 484f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 485f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 486f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 48796f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 488f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 489f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 490f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 491f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 492f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 493f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 494f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 495f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 496f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 497f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 498f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 499f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 500f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 501f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 502f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 503f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 504f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 5051ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 506f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 507f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 508f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 509f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 510f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 511f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5122e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; 5132e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 5149bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 5159bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 5169bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_STATION; 517f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy->privid = mac80211_wiphy_privid; 51818a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 5190c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 520f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 521f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 522de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 523f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 524f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5251ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 526f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5274480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->tx); 5284150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->start); 5294150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->stop); 5304480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->config); 5314480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->add_interface); 5324150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->remove_interface); 5334150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->configure_filter); 534f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 535f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 536e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 537e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 538e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 53978be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa local->hw.max_report_rates = 0; 540b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 541b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 542c428c89201a57a0ce24c37ed79e540d1f4101cf3Johannes Berg local->user_power_level = -1; 54350ae0cf15c3da2f6a8e4558de5010923e84736b2Kalle Valo local->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; 54450ae0cf15c3da2f6a8e4558de5010923e84736b2Kalle Valo local->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; 545f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 54679010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 5472f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 5482f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 5492f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 550c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 551a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_init(&local->mtx); 552f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 553ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 5543b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 555ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 556ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 557c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 558f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 559af6b63741cc4e4dfd575d06beb333b11a8a6e0c0Johannes Berg ieee80211_work_init(local); 560af6b63741cc4e4dfd575d06beb333b11a8a6e0c0Johannes Berg 561f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 562f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 5633ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 5640f78231bffb868a30e8533aace142213266bb811Johannes Berg INIT_WORK(&local->recalc_smps, ieee80211_recalc_smps_work); 5650f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 5663ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 567520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 568520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 569520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 570520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 571520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 572520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 573520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 574f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 575f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 576a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 5772a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 578a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg atomic_set(&local->agg_queue_stop[i], 0); 579a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg } 580f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 581f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 582f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 583f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 584f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 585f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 586f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 587f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 588f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 589f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5904e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville /* init dummy netdev for use w/ NAPI */ 5914e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville init_dummy_netdev(&local->napi_dev); 5924e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 593f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return local_to_hw(local); 594f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 595f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 596f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 597f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencint ieee80211_register_hw(struct ieee80211_hw *hw) 598f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 599f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 600f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int result; 6018318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg enum ieee80211_band band; 602be4a4b6a5d2f76393f545a2545fbaa1b65577e13Johannes Berg int channels, max_bitrates; 6035ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg bool supp_ht; 60425e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 6055daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg /* keep WEP first, it may be removed below */ 60625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 60725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 60825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 60925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 61025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 61125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 61225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 61325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 6148318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 61578be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa if (hw->max_report_rates == 0) 61678be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa hw->max_report_rates = hw->max_rates; 61778be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa 6188318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 6198318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 6208318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 6218318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 6228318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 6232a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 624de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 6255ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 6268318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 6278318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 6288318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 6298318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 630de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 631de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 632de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->oper_channel) { 6338318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 6348318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg local->hw.conf.channel = 63558905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->oper_channel = &sband->channels[0]; 63658905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->hw.conf.channel_type = NL80211_CHAN_NO_HT; 6378318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 638de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 639de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 640de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 641de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 6425ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 6438318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 644f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6455ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 6465ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg sizeof(void *) * channels, GFP_KERNEL); 6475ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg if (!local->int_scan_req) 6482a5193119269062608582418deba7af82844159aJohannes Berg return -ENOMEM; 6492a5193119269062608582418deba7af82844159aJohannes Berg 650f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 651f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) 652f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 653f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 654f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 655f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 656f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 6575eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#ifndef CONFIG_MAC80211_MESH 6585eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg /* mesh depends on Kconfig, but drivers should set it if they want */ 6595eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT); 6605eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#endif 6615eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg 662a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg /* mac80211 supports control port protocol changing */ 663a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL; 664a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg 66577965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) 66677965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 66777965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) 66877965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 66977965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 670ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 671ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 672ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 673ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 674de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 675de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 676de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 677de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * includes the (extended) supported rates and HT 678de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 679de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 680de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->scan_ies_len = 4 + max_bitrates; /* (ext) supp rates */ 6815ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 6825ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 683de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 684de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 685de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 686de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 687de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 688de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 689de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 690de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 691de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 692de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 693de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 694de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 695de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 696de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 697de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 698de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 699de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 7003ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Set up cipher suites unless driver already did */ 7013ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!local->hw.wiphy->cipher_suites) { 7023ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = cipher_suites; 7033ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 7043ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) 7053ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites--; 7063ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 7075daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) { 7083ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->hw.wiphy->cipher_suites == cipher_suites) { 7093ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites += 2; 7103ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites -= 2; 7113ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } else { 7123ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 *suites; 7133ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg int r, w = 0; 7143ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 7153ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Filter out WEP */ 7163ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 7173ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites = kmemdup( 7183ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites, 7193ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg sizeof(u32) * local->hw.wiphy->n_cipher_suites, 7203ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg GFP_KERNEL); 7213ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!suites) 7223ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg return -ENOMEM; 7233ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) { 7243ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 suite = local->hw.wiphy->cipher_suites[r]; 7253ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (suite == WLAN_CIPHER_SUITE_WEP40 || 7263ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suite == WLAN_CIPHER_SUITE_WEP104) 7273ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg continue; 7283ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites[w++] = suite; 7293ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 7303ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = suites; 7313ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = w; 7323ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->wiphy_ciphers_allocated = true; 7333ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 7345daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg } 73525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 736f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 737f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 7382a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 739f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 740e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 741e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 742e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 743e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 744e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 745e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 746e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 74742935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 74830d3ef41b4395d9bee5f481395eef2d3b8b6ee50Bob Copeland create_singlethread_workqueue(wiphy_name(local->hw.wiphy)); 74942935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 750f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 751f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 752f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 753f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 754b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 755b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 756b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 757b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 758b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 759d24deb2580823ab0b8425790c6f5d18e2ff749d8Gertjan van Wingerde BUILD_BUG_ON(IEEE80211_TX_STATUS_HEADROOM != 760d24deb2580823ab0b8425790c6f5d18e2ff749d8Gertjan van Wingerde sizeof(struct ieee80211_tx_status_rtap_hdr)); 76133ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 76233ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc sizeof(struct ieee80211_tx_status_rtap_hdr)); 763b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 764e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 765e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 766b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 767b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 768b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 769b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 770ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 771b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 772ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 773ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 774ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 775ff61638105db6f5832ef8700436ba6aa6d3a2fdaJuuso Oikarinen local->dynamic_ps_forced_timeout = -1; 776195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 777f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = sta_info_start(local); 778f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 779f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_sta_info; 780f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 781d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 7823473187d2459a078e00e5fac8aafc30af69c57faJohn W. Linville if (result < 0) 7830fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", 7840fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches result); 785d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 786f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 787f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 788830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 789830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 790f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 7910fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, 7920fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to initialize rate control algorithm\n"); 793f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 794f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 795f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 7968dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 7978dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 7988dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 7998dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 8008dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 8010fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, 8020fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to add default virtual iface\n"); 8038dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 804f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 805f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 806f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 807f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_init(local); 808f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 80910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 81010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 81110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 81210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 81310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 81410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 81510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 81610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 81710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 81826b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 8192b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 8202b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 8212b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 8222b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 82326b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 8242b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 8254e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll, 8264e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville local->hw.napi_weight); 8274e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 828f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 829f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 83093c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#ifdef CONFIG_INET 8312b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 8322b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 8332b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 8342b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 83593c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#endif 83610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 83710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 83810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 83910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 840f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 841d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 842f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 84310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_sta_info: 84442935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 84510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 846f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 84710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 8483ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 8493ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 85011ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 851f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 852f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 853f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 854f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 855f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 856f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 857f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 858f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 859f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 860f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 861f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 86210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 86310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 86426b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 8652b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 86626b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 86710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 868f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 869f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 87079010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 87179010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 87279010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 87379010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 87479010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 87575636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 8765b2812e925c8e976852867f8d760637c5926d817Johannes Berg 877f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 878f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 879071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg /* 880071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg * Now all work items will be gone, but the 881071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg * timer might still be armed, so delete it 882071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg */ 883071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg del_timer_sync(&local->work_timer); 884071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg 885258086a48b766d12a500f98834654ffa927ca475Christian Lamparter cancel_work_sync(&local->restart_work); 8863ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 8873ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 888f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 889f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 890f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 891f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 892f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 893f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 8940fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); 895f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 896f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 897f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 89842935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 899f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 900f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 901f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 9025ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 903f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 904f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 905f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 906f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 907f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 908f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 909f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 910c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 911a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_destroy(&local->mtx); 912c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 9133ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 9143ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 9153ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 916f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 917f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 918f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 919f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 920f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 921f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 922f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 923f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 924f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 925e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 926e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 927c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 928f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 929cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 930cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 931cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 932cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 933ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 934ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 935ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 936ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 9374b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg ret = rc80211_pid_init(); 938ad01837593338f13508463fa11c8dbf8109a1e5dMattias Nissler if (ret) 93947846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_pid; 940f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 94147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 94247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 94347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 944e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 945f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 94647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 94747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_pid_exit(); 94847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_pid: 949ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 950ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 95147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 95247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 95347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 954f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 955f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 956f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 957f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 9584b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg rc80211_pid_exit(); 959ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 960cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 961ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 9623b96766f0e643f52ae19e134664df6730c737e87Johannes Berg /* 9633b96766f0e643f52ae19e134664df6730c737e87Johannes Berg * For key todo, it'll be empty by now but the work 9643b96766f0e643f52ae19e134664df6730c737e87Johannes Berg * might still be scheduled. 9653b96766f0e643f52ae19e134664df6730c737e87Johannes Berg */ 9663b96766f0e643f52ae19e134664df6730c737e87Johannes Berg flush_scheduled_work(); 9673b96766f0e643f52ae19e134664df6730c737e87Johannes Berg 968f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo if (mesh_allocated) 969f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo ieee80211s_stop(); 970902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 97147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 972f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 973f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 974f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 975ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 976f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 977f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 978f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 979f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 980