main.c revision 26b36cfefaf2be98b225e3c1a399edb0daf52ddd
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> 23881d966b48b035ab3f3aeaae0f3d3f9b584f45b2Eric W. Biederman#include <net/net_namespace.h> 24f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <net/cfg80211.h> 25f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 26f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include "ieee80211_i.h" 272448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg#include "driver-ops.h" 282c8dccc77420fb7433da5674818959d3499d35beJohannes Berg#include "rate.h" 29f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo#include "mesh.h" 30f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include "wep.h" 312c8dccc77420fb7433da5674818959d3499d35beJohannes Berg#include "led.h" 32e0eb68596232788bc352368f2fbc3cb088e42e41Michael Wu#include "cfg.h" 33e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc#include "debugfs.h" 34f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 35f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes Berg 36f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes Bergbool ieee80211_disable_40mhz_24ghz; 37f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes Bergmodule_param(ieee80211_disable_40mhz_24ghz, bool, 0644); 38f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes BergMODULE_PARM_DESC(ieee80211_disable_40mhz_24ghz, 39f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes Berg "Disable 40MHz support in the 2.4GHz band"); 40f38fd12fa7b7b98e158a9b31d388da34eef25c22Johannes Berg 410d143fe1e2efc084fa730d2dfa22d0d1ca2ee5f1Johannes Bergvoid ieee80211_configure_filter(struct ieee80211_local *local) 424150c57212ad134765dd78c654a4b9906252b66dJohannes Berg{ 433ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg u64 mc; 444150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int changed_flags; 454150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int new_flags = 0; 464150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 4753918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_promiscs)) 484150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_PROMISC_IN_BSS; 494150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 5053918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_allmultis)) 514150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_ALLMULTI; 524150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 533ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg if (local->monitors || local->scanning) 548cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_BCN_PRBRESP_PROMISC; 558cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 568cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_fcsfail) 578cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_FCSFAIL; 588cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 598cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_plcpfail) 608cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_PLCPFAIL; 618cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 628cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_control) 638cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_CONTROL; 648cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 658cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_other_bss) 668cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_OTHER_BSS; 674150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 68e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov if (local->fif_pspoll) 69e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov new_flags |= FIF_PSPOLL; 70e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov 713ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_lock_bh(&local->filter_lock); 724150c57212ad134765dd78c654a4b9906252b66dJohannes Berg changed_flags = local->filter_flags ^ new_flags; 734150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 7422bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc = drv_prepare_multicast(local, &local->mc_list); 753ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_unlock_bh(&local->filter_lock); 763ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 774150c57212ad134765dd78c654a4b9906252b66dJohannes Berg /* be a bit nasty */ 784150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= (1<<31); 794150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 803ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg drv_configure_filter(local, changed_flags, &new_flags, mc); 814150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 824150c57212ad134765dd78c654a4b9906252b66dJohannes Berg WARN_ON(new_flags & (1<<31)); 834150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 844150c57212ad134765dd78c654a4b9906252b66dJohannes Berg local->filter_flags = new_flags & ~(1<<31); 854150c57212ad134765dd78c654a4b9906252b66dJohannes Berg} 864150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 873ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Bergstatic void ieee80211_reconfig_filter(struct work_struct *work) 883ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg{ 893ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg struct ieee80211_local *local = 903ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg container_of(work, struct ieee80211_local, reconfig_filter); 913ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 923ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg ieee80211_configure_filter(local); 933ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg} 943ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 95e8975581f63870be42ff4662b293d1b0c8c21350Johannes Bergint ieee80211_hw_config(struct ieee80211_local *local, u32 changed) 96b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg{ 9758905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg struct ieee80211_channel *chan, *scan_chan; 98b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg int ret = 0; 99e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg int power; 100094d05dc32fc2930e381189a942016e5561775d9Sujith enum nl80211_channel_type channel_type; 101f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 102cb121bad67a32cde37adc2729b7e18aa4fd3063eJohannes Berg might_sleep(); 103cb121bad67a32cde37adc2729b7e18aa4fd3063eJohannes Berg 10458905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg scan_chan = local->scan_channel; 10558905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg 10658905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg if (scan_chan) { 10758905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg chan = scan_chan; 108094d05dc32fc2930e381189a942016e5561775d9Sujith channel_type = NL80211_CHAN_NO_HT; 109b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg } else if (local->tmp_channel) { 110b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg chan = scan_chan = local->tmp_channel; 111b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg channel_type = local->tmp_channel_type; 11272bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } else { 113b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg chan = local->oper_channel; 1140aaffa9b9699894aab3266195a529baf9f96ac29Johannes Berg channel_type = local->_oper_channel_type; 11572bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } 116f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 11772bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen if (chan != local->hw.conf.channel || 1184797938c5dfa22af30fd16679192972f878419a1Johannes Berg channel_type != local->hw.conf.channel_type) { 119e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.channel = chan; 1204797938c5dfa22af30fd16679192972f878419a1Johannes Berg local->hw.conf.channel_type = channel_type; 121e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_CHANNEL; 122e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 1238318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 1240f78231bffb868a30e8533aace142213266bb811Johannes Berg if (!conf_is_ht(&local->hw.conf)) { 1250f78231bffb868a30e8533aace142213266bb811Johannes Berg /* 1260f78231bffb868a30e8533aace142213266bb811Johannes Berg * mac80211.h documents that this is only valid 1270f78231bffb868a30e8533aace142213266bb811Johannes Berg * when the channel is set to an HT type, and 1280f78231bffb868a30e8533aace142213266bb811Johannes Berg * that otherwise STATIC is used. 1290f78231bffb868a30e8533aace142213266bb811Johannes Berg */ 1300f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC; 1310f78231bffb868a30e8533aace142213266bb811Johannes Berg } else if (local->hw.conf.smps_mode != local->smps_mode) { 1320f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = local->smps_mode; 1330f78231bffb868a30e8533aace142213266bb811Johannes Berg changed |= IEEE80211_CONF_CHANGE_SMPS; 1340f78231bffb868a30e8533aace142213266bb811Johannes Berg } 1350f78231bffb868a30e8533aace142213266bb811Johannes Berg 13658905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg if (scan_chan) 137e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg power = chan->max_power; 1388318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg else 139a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = local->power_constr_level ? 140a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan (chan->max_power - local->power_constr_level) : 141a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan chan->max_power; 142a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 14347afbaf5af9454a7a1a64591e20cbfcc27ca67a8Johannes Berg if (local->user_power_level >= 0) 144a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = min(power, local->user_power_level); 145a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 146e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (local->hw.conf.power_level != power) { 147e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_POWER; 148e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.power_level = power; 149e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 150b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg 151e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (changed && local->open_count) { 1522448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg ret = drv_config(local, changed); 153d73782fdde76554016abf73b46f843b29f520848Johannes Berg /* 154447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Goal: 155d73782fdde76554016abf73b46f843b29f520848Johannes Berg * HW reconfiguration should never fail, the driver has told 156d73782fdde76554016abf73b46f843b29f520848Johannes Berg * us what it can support so it should live up to that promise. 157447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 158447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Current status: 159447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * rfkill is not integrated with mac80211 and a 160447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * configuration command can thus fail if hardware rfkill 161447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * is enabled 162447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 163447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * FIXME: integrate rfkill with mac80211 and then add this 164447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * WARN_ON() back 165447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 166d73782fdde76554016abf73b46f843b29f520848Johannes Berg */ 167447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre /* WARN_ON(ret); */ 168d73782fdde76554016abf73b46f843b29f520848Johannes Berg } 169f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 170b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg return ret; 171b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg} 172f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 173471b3efdfccc257591331724145f8ccf8b3217e1Johannes Bergvoid ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 174471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg u32 changed) 175d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 176471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg struct ieee80211_local *local = sdata->local; 1779cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg static const u8 zero[ETH_ALEN] = { 0 }; 178471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 179471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg if (!changed) 180471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg return; 181471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 1829cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.type == NL80211_IFTYPE_STATION) { 1839cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg /* 1849cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * While not associated, claim a BSSID of all-zeroes 1859cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * so that drivers don't do any weird things with the 1869cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * BSSID at that time. 1879cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg */ 1889cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.bss_conf.assoc) 1899cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid; 1909cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg else 1919cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg sdata->vif.bss_conf.bssid = zero; 1929cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) 1932d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.ibss.bssid; 1942d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (sdata->vif.type == NL80211_IFTYPE_AP) 19547846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg sdata->vif.bss_conf.bssid = sdata->vif.addr; 1962d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (ieee80211_vif_is_mesh(&sdata->vif)) { 1972d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = zero; 1982d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 1992d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2002d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2012d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2022d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2032d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2042d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2052d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2062d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 2072d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2082d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2092d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* do not warn to simplify caller in scan.c */ 2102d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg changed &= ~BSS_CHANGED_BEACON_ENABLED; 2112d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (WARN_ON(changed & BSS_CHANGED_BEACON)) 2122d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2132d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2142d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2152d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2162d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (changed & BSS_CHANGED_BEACON_ENABLED) { 2179607e6b66a0d25ca63b70d54a4283fa13d8f7c9dJohannes Berg if (local->quiescing || !ieee80211_sdata_running(sdata) || 21897af743207466ff8b477e14bfb7af0ba2c93375bBob Copeland test_bit(SCAN_SW_SCANNING, &local->scanning)) { 2192d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = false; 2202d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2212d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* 2222d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * Beacon should be enabled, but AP mode must 2232d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * check whether there is a beacon configured. 2242d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg */ 2252d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2262d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2272d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2280379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ap.beacon; 2292d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2302d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2312d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2320379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ibss.presp; 2332d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2342d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 2352d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = true; 2362d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2372d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2382d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* not reached */ 2392d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2402d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2412d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2422d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2432d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2442d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 24512375ef933fa8271396ed0c1e318cb1bd2e2689dJohannes Berg drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed); 246d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 247d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 248f698d856f65c3fea091cc303a135967965c5b880Jasper Bryant-Greeneu32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) 249d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 250bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_cts_prot = false; 251bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_preamble = false; 252bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_slot = false; 2537a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg return BSS_CHANGED_ERP_CTS_PROT | 2547a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_PREAMBLE | 2557a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_SLOT; 256d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 257d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 258f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void ieee80211_tasklet_handler(unsigned long data) 259f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 260f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = (struct ieee80211_local *) data; 261f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 262eadc8d9e9047266a8914eb2ed4d36e797ce540d1Ron Rindjunsky struct ieee80211_ra_tid *ra_tid; 263f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 264f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc while ((skb = skb_dequeue(&local->skb_queue)) || 265f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (skb = skb_dequeue(&local->skb_queue_unreliable))) { 266f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc switch (skb->pkt_type) { 267f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_RX_MSG: 26851fb61e76d952e6bc2fbdd9f0d38425fbab1cf31Johannes Berg /* Clear skb->pkt_type in order to not confuse kernel 269f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * netstack. */ 270f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 271f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx(local_to_hw(local), skb); 272f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 273f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_TX_STATUS_MSG: 274f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 275e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg ieee80211_tx_status(local_to_hw(local), skb); 276f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 277eadc8d9e9047266a8914eb2ed4d36e797ce540d1Ron Rindjunsky case IEEE80211_DELBA_MSG: 278eadc8d9e9047266a8914eb2ed4d36e797ce540d1Ron Rindjunsky ra_tid = (struct ieee80211_ra_tid *) &skb->cb; 279c951ad3550ab40071bb0f222ba6125845769c08aJohannes Berg ieee80211_stop_tx_ba_cb(ra_tid->vif, ra_tid->ra, 280c951ad3550ab40071bb0f222ba6125845769c08aJohannes Berg ra_tid->tid); 281eadc8d9e9047266a8914eb2ed4d36e797ce540d1Ron Rindjunsky dev_kfree_skb(skb); 282eadc8d9e9047266a8914eb2ed4d36e797ce540d1Ron Rindjunsky break; 283eadc8d9e9047266a8914eb2ed4d36e797ce540d1Ron Rindjunsky case IEEE80211_ADDBA_MSG: 284eadc8d9e9047266a8914eb2ed4d36e797ce540d1Ron Rindjunsky ra_tid = (struct ieee80211_ra_tid *) &skb->cb; 285c951ad3550ab40071bb0f222ba6125845769c08aJohannes Berg ieee80211_start_tx_ba_cb(ra_tid->vif, ra_tid->ra, 286c951ad3550ab40071bb0f222ba6125845769c08aJohannes Berg ra_tid->tid); 287eadc8d9e9047266a8914eb2ed4d36e797ce540d1Ron Rindjunsky dev_kfree_skb(skb); 288eadc8d9e9047266a8914eb2ed4d36e797ce540d1Ron Rindjunsky break ; 289f4ea83dd743d3e1bec8fdf954ac911c6b12ae87aJohannes Berg default: 2905e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger WARN(1, "mac80211: Packet is of unknown type %d\n", 2915e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger skb->pkt_type); 292f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc dev_kfree_skb(skb); 293f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 294f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 295f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 296f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 297f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 298f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergstatic void ieee80211_restart_work(struct work_struct *work) 299f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 300f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = 301f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg container_of(work, struct ieee80211_local, restart_work); 302f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 303f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 304f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 305f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 306f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 307f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 308f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 309f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 310f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 311f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 312b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 313b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 314f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg /* use this reason, __ieee80211_resume will unblock it */ 315f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_stop_queues_by_reason(hw, 316f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND); 317f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 318f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg schedule_work(&local->restart_work); 319f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 320f2753ddbadb0873a98421415882318251bbd9eaaJohannes BergEXPORT_SYMBOL(ieee80211_restart_hw); 321f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 3220f78231bffb868a30e8533aace142213266bb811Johannes Bergstatic void ieee80211_recalc_smps_work(struct work_struct *work) 3230f78231bffb868a30e8533aace142213266bb811Johannes Berg{ 3240f78231bffb868a30e8533aace142213266bb811Johannes Berg struct ieee80211_local *local = 3250f78231bffb868a30e8533aace142213266bb811Johannes Berg container_of(work, struct ieee80211_local, recalc_smps); 3260f78231bffb868a30e8533aace142213266bb811Johannes Berg 3270f78231bffb868a30e8533aace142213266bb811Johannes Berg mutex_lock(&local->iflist_mtx); 3280f78231bffb868a30e8533aace142213266bb811Johannes Berg ieee80211_recalc_smps(local, NULL); 3290f78231bffb868a30e8533aace142213266bb811Johannes Berg mutex_unlock(&local->iflist_mtx); 3300f78231bffb868a30e8533aace142213266bb811Johannes Berg} 3310f78231bffb868a30e8533aace142213266bb811Johannes Berg 33226b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 3332b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenint ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata) 3342b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 3352b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_device *idev; 3362b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen int ret = 0; 3372b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3382b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen BUG_ON(!sdata); 3392b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ASSERT_RTNL(); 3402b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3412b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen idev = sdata->dev->ip_ptr; 3422b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!idev) 3432b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return 0; 3442b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3452b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ret = drv_configure_arp_filter(sdata->local, &sdata->vif, 3462b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen idev->ifa_list); 3472b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return ret; 3482b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 3492b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3502b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenstatic int ieee80211_ifa_changed(struct notifier_block *nb, 3512b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unsigned long data, void *arg) 3522b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 3532b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_ifaddr *ifa = arg; 3542b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_local *local = 3552b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen container_of(nb, struct ieee80211_local, 3562b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifa_notifier); 3572b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct net_device *ndev = ifa->ifa_dev->dev; 3582b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct wireless_dev *wdev = ndev->ieee80211_ptr; 3592b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_sub_if_data *sdata; 3602b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_if_managed *ifmgd; 3612b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3622b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* Make sure it's our interface that got changed */ 3632b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!wdev) 3642b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3652b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3662b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (wdev->wiphy != local->hw.wiphy) 3672b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3682b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3692b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* We are concerned about IP addresses only when associated */ 3702b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 3712b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3722b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* ARP filtering is only supported in managed mode */ 3732b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (sdata->vif.type != NL80211_IFTYPE_STATION) 3742b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3752b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3762b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifmgd = &sdata->u.mgd; 3772b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_lock(&ifmgd->mtx); 3782b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (ifmgd->associated) 3792b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ieee80211_set_arp_filter(sdata); 3802b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_unlock(&ifmgd->mtx); 3812b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3822b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3832b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 38426b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 3852b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 386f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 387f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 388f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 389f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 39096f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 391f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 392f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 393f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 394f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 395f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 396f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 397f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 398f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 399f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 400f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 401f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 402f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 403f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 404f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 405f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 406f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 407f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 4081ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 409f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 410f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 411f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 412f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 413f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 414f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 4159bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 4169bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 4179bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_STATION; 418f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy->privid = mac80211_wiphy_privid; 41918a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 4200c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 421f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 422f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 423de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 424f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 425f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 4261ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 427f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 4284480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->tx); 4294150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->start); 4304150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->stop); 4314480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->config); 4324480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->add_interface); 4334150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->remove_interface); 4344150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->configure_filter); 435f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 436f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 437e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 438e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 439e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 440b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 441b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 442c428c89201a57a0ce24c37ed79e540d1f4101cf3Johannes Berg local->user_power_level = -1; 44350ae0cf15c3da2f6a8e4558de5010923e84736b2Kalle Valo local->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; 44450ae0cf15c3da2f6a8e4558de5010923e84736b2Kalle Valo local->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; 445f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 44679010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 4472f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 4482f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 4492f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 450c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 451f3b85252f081581a8f257545ed748062dce7798bJohannes Berg mutex_init(&local->scan_mtx); 452f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 453ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 4543b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 455ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 456ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 457c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 458f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 459af6b63741cc4e4dfd575d06beb333b11a8a6e0c0Johannes Berg ieee80211_work_init(local); 460af6b63741cc4e4dfd575d06beb333b11a8a6e0c0Johannes Berg 461f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 462f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 4633ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 4640f78231bffb868a30e8533aace142213266bb811Johannes Berg INIT_WORK(&local->recalc_smps, ieee80211_recalc_smps_work); 4650f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 4663ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 467520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 468520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 469520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 470520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 471520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 472520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 473520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 474f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 475f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 4762a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) 4772a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 478f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 479f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 480f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 481f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 482f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 483f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 484f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 485f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 486f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 487f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 488cd8ffc800ce18e558335c4946b2217864fc16045Johannes Berg spin_lock_init(&local->ampdu_lock); 489cd8ffc800ce18e558335c4946b2217864fc16045Johannes Berg 490f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return local_to_hw(local); 491f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 492f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 493f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 494f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencint ieee80211_register_hw(struct ieee80211_hw *hw) 495f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 496f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 497f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int result; 4988318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg enum ieee80211_band band; 499be4a4b6a5d2f76393f545a2545fbaa1b65577e13Johannes Berg int channels, max_bitrates; 5005ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg bool supp_ht; 50125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 50225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 50325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 50425e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 50525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 50625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 50725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 50825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 50925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 5108318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 5118318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 5128318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 5138318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 5148318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 5158318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 5162a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 517de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 5185ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 5198318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 5208318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 5218318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 5228318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 523de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 524de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 525de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->oper_channel) { 5268318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 5278318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg local->hw.conf.channel = 52858905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->oper_channel = &sband->channels[0]; 52958905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->hw.conf.channel_type = NL80211_CHAN_NO_HT; 5308318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 531de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 532de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 533de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 534de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 5355ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 5368318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 537f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5385ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 5395ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg sizeof(void *) * channels, GFP_KERNEL); 5405ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg if (!local->int_scan_req) 5412a5193119269062608582418deba7af82844159aJohannes Berg return -ENOMEM; 5422a5193119269062608582418deba7af82844159aJohannes Berg 543f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 544f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) 545f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 546f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 547f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 548f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 549f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 55077965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) 55177965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 55277965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) 55377965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 55477965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 555ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 556ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 557ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 558ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 559de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 560de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 561de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 562de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * includes the (extended) supported rates and HT 563de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 564de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 565de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->scan_ies_len = 4 + max_bitrates; /* (ext) supp rates */ 5665ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 5675ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 568de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 569de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 570de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 571de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 572de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 573de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 574de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 575de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 576de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 577de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 578de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 579de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 580de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 581de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 582de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 583de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 584de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 58525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg local->hw.wiphy->cipher_suites = cipher_suites; 58625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 58725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) 58825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg local->hw.wiphy->n_cipher_suites--; 58925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 590f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 591f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 5922a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 593f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 594e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 595e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 596e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 597e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 598e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 599e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 600e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 60142935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 60230d3ef41b4395d9bee5f481395eef2d3b8b6ee50Bob Copeland create_singlethread_workqueue(wiphy_name(local->hw.wiphy)); 60342935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 604f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 605f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 606f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 607f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 608b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 609b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 610b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 611b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 612b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 613d24deb2580823ab0b8425790c6f5d18e2ff749d8Gertjan van Wingerde BUILD_BUG_ON(IEEE80211_TX_STATUS_HEADROOM != 614d24deb2580823ab0b8425790c6f5d18e2ff749d8Gertjan van Wingerde sizeof(struct ieee80211_tx_status_rtap_hdr)); 61533ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 61633ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc sizeof(struct ieee80211_tx_status_rtap_hdr)); 617b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 618e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 619e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 620b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 621b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 622b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 623b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 624ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 625b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 626ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 627ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 628ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 629195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen local->hw.conf.dynamic_ps_forced_timeout = -1; 630195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 631f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = sta_info_start(local); 632f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 633f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_sta_info; 634f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 635d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 636d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins if (result < 0) { 637d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n", 638d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins wiphy_name(local->hw.wiphy), result); 639d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins goto fail_wep; 640d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins } 641d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 642f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 643f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 644830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 645830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 646f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 647f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc printk(KERN_DEBUG "%s: Failed to initialize rate control " 648dd1cd4c620c174ebbdf78dc01b924115a06de5d3Johannes Berg "algorithm\n", wiphy_name(local->hw.wiphy)); 649f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 650f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 651f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6528dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 6538dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 6548dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 6558dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 6568dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 6578dffff216fcac4f79078478085e86d68db64922eJohannes Berg printk(KERN_WARNING "%s: Failed to add default virtual iface\n", 6588dffff216fcac4f79078478085e86d68db64922eJohannes Berg wiphy_name(local->hw.wiphy)); 6598dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 660f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 661f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 662f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 663f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_init(local); 664f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 66510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 66610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 66710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 66810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 66910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 67010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 67110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 67210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 67310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 67426b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 6752b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 6762b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 6772b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 6782b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 67926b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 6802b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 681f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 682f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6832b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 6842b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 6852b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 6862b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 68710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 68810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 68910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 69010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 691f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 692d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 693aba7453037c3a90714caae77a622dceaf1173786David S. Miller fail_wep: 694f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 69510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_sta_info: 69642935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 69710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 698f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 69910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 70011ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 701f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 702f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 703f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 704f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 705f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 706f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 707f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 708f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 709f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 710f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 711f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 71210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 71310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 71426b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 7152b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 71626b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 71710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 718f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 719f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 72079010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 72179010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 72279010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 72379010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 72479010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 72575636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 7265b2812e925c8e976852867f8d760637c5926d817Johannes Berg 727f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 728f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 7293ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 7303ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 731f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 732f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 733f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 734f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 735f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 736f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 737f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc printk(KERN_WARNING "%s: skb_queue not empty\n", 738dd1cd4c620c174ebbdf78dc01b924115a06de5d3Johannes Berg wiphy_name(local->hw.wiphy)); 739f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 740f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 741f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 74242935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 743f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 744f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 745f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 7465ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 747f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 748f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 749f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 750f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 751f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 752f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 753f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 754c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 755f3b85252f081581a8f257545ed748062dce7798bJohannes Berg mutex_destroy(&local->scan_mtx); 756c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 757f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 758f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 759f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 760f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 761f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 762f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 763f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 764f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 765f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 766e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 767e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 768c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 769f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 770cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 771cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 772cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 773cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 774ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 775ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 776ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 777ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 7784b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg ret = rc80211_pid_init(); 779ad01837593338f13508463fa11c8dbf8109a1e5dMattias Nissler if (ret) 78047846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_pid; 781f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 78247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 78347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 78447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 785e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 786f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 78747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 78847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_pid_exit(); 78947846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_pid: 790ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 791ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 79247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 79347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 79447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 795f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 796f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 797f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 798f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 7994b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg rc80211_pid_exit(); 800ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 801cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 802ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 8033b96766f0e643f52ae19e134664df6730c737e87Johannes Berg /* 8043b96766f0e643f52ae19e134664df6730c737e87Johannes Berg * For key todo, it'll be empty by now but the work 8053b96766f0e643f52ae19e134664df6730c737e87Johannes Berg * might still be scheduled. 8063b96766f0e643f52ae19e134664df6730c737e87Johannes Berg */ 8073b96766f0e643f52ae19e134664df6730c737e87Johannes Berg flush_scheduled_work(); 8083b96766f0e643f52ae19e134664df6730c737e87Johannes Berg 809f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo if (mesh_allocated) 810f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo ieee80211s_stop(); 811902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 81247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 813f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 814f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 815f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 816ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 817f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 818f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 819f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 820f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 821