main.c revision ff61638105db6f5832ef8700436ba6aa6d3a2fda
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; 102f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 103cb121bad67a32cde37adc2729b7e18aa4fd3063eJohannes Berg might_sleep(); 104cb121bad67a32cde37adc2729b7e18aa4fd3063eJohannes Berg 10558905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg scan_chan = local->scan_channel; 10658905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg 10758905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg if (scan_chan) { 10858905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg chan = scan_chan; 109094d05dc32fc2930e381189a942016e5561775d9Sujith channel_type = NL80211_CHAN_NO_HT; 110b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg } else if (local->tmp_channel) { 111b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg chan = scan_chan = local->tmp_channel; 112b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg channel_type = local->tmp_channel_type; 11372bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } else { 114b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg chan = local->oper_channel; 1150aaffa9b9699894aab3266195a529baf9f96ac29Johannes Berg channel_type = local->_oper_channel_type; 11672bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } 117f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 11872bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen if (chan != local->hw.conf.channel || 1194797938c5dfa22af30fd16679192972f878419a1Johannes Berg channel_type != local->hw.conf.channel_type) { 120e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.channel = chan; 1214797938c5dfa22af30fd16679192972f878419a1Johannes Berg local->hw.conf.channel_type = channel_type; 122e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_CHANNEL; 123e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 1248318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 1250f78231bffb868a30e8533aace142213266bb811Johannes Berg if (!conf_is_ht(&local->hw.conf)) { 1260f78231bffb868a30e8533aace142213266bb811Johannes Berg /* 1270f78231bffb868a30e8533aace142213266bb811Johannes Berg * mac80211.h documents that this is only valid 1280f78231bffb868a30e8533aace142213266bb811Johannes Berg * when the channel is set to an HT type, and 1290f78231bffb868a30e8533aace142213266bb811Johannes Berg * that otherwise STATIC is used. 1300f78231bffb868a30e8533aace142213266bb811Johannes Berg */ 1310f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC; 1320f78231bffb868a30e8533aace142213266bb811Johannes Berg } else if (local->hw.conf.smps_mode != local->smps_mode) { 1330f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = local->smps_mode; 1340f78231bffb868a30e8533aace142213266bb811Johannes Berg changed |= IEEE80211_CONF_CHANGE_SMPS; 1350f78231bffb868a30e8533aace142213266bb811Johannes Berg } 1360f78231bffb868a30e8533aace142213266bb811Johannes Berg 13758905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg if (scan_chan) 138e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg power = chan->max_power; 1398318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg else 140a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = local->power_constr_level ? 141a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan (chan->max_power - local->power_constr_level) : 142a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan chan->max_power; 143a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 14447afbaf5af9454a7a1a64591e20cbfcc27ca67a8Johannes Berg if (local->user_power_level >= 0) 145a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = min(power, local->user_power_level); 146a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 147e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (local->hw.conf.power_level != power) { 148e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_POWER; 149e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.power_level = power; 150e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 151b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg 152e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (changed && local->open_count) { 1532448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg ret = drv_config(local, changed); 154d73782fdde76554016abf73b46f843b29f520848Johannes Berg /* 155447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Goal: 156d73782fdde76554016abf73b46f843b29f520848Johannes Berg * HW reconfiguration should never fail, the driver has told 157d73782fdde76554016abf73b46f843b29f520848Johannes Berg * us what it can support so it should live up to that promise. 158447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 159447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Current status: 160447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * rfkill is not integrated with mac80211 and a 161447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * configuration command can thus fail if hardware rfkill 162447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * is enabled 163447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 164447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * FIXME: integrate rfkill with mac80211 and then add this 165447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * WARN_ON() back 166447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 167d73782fdde76554016abf73b46f843b29f520848Johannes Berg */ 168447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre /* WARN_ON(ret); */ 169d73782fdde76554016abf73b46f843b29f520848Johannes Berg } 170f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 171b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg return ret; 172b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg} 173f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 174471b3efdfccc257591331724145f8ccf8b3217e1Johannes Bergvoid ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 175471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg u32 changed) 176d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 177471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg struct ieee80211_local *local = sdata->local; 1789cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg static const u8 zero[ETH_ALEN] = { 0 }; 179471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 180471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg if (!changed) 181471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg return; 182471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 1839cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.type == NL80211_IFTYPE_STATION) { 1849cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg /* 1859cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * While not associated, claim a BSSID of all-zeroes 1869cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * so that drivers don't do any weird things with the 1879cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * BSSID at that time. 1889cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg */ 1899cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.bss_conf.assoc) 1909cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid; 1919cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg else 1929cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg sdata->vif.bss_conf.bssid = zero; 1939cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) 1942d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.ibss.bssid; 1952d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (sdata->vif.type == NL80211_IFTYPE_AP) 19647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg sdata->vif.bss_conf.bssid = sdata->vif.addr; 1972d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (ieee80211_vif_is_mesh(&sdata->vif)) { 1982d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = zero; 1992d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2002d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2012d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2022d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2032d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2042d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2052d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2062d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2072d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 2082d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2092d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2102d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* do not warn to simplify caller in scan.c */ 2112d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg changed &= ~BSS_CHANGED_BEACON_ENABLED; 2122d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (WARN_ON(changed & BSS_CHANGED_BEACON)) 2132d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2142d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2152d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2162d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2172d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (changed & BSS_CHANGED_BEACON_ENABLED) { 2189607e6b66a0d25ca63b70d54a4283fa13d8f7c9dJohannes Berg if (local->quiescing || !ieee80211_sdata_running(sdata) || 21997af743207466ff8b477e14bfb7af0ba2c93375bBob Copeland test_bit(SCAN_SW_SCANNING, &local->scanning)) { 2202d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = false; 2212d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2222d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* 2232d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * Beacon should be enabled, but AP mode must 2242d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * check whether there is a beacon configured. 2252d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg */ 2262d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2272d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2282d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2290379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ap.beacon; 2302d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2312d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2322d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2330379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ibss.presp; 2342d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2352d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 2362d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = true; 2372d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2382d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2392d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* not reached */ 2402d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2412d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2422d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2432d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2442d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2452d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 24612375ef933fa8271396ed0c1e318cb1bd2e2689dJohannes Berg drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed); 247d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 248d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 249f698d856f65c3fea091cc303a135967965c5b880Jasper Bryant-Greeneu32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) 250d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 251bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_cts_prot = false; 252bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_preamble = false; 253bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_slot = false; 2547a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg return BSS_CHANGED_ERP_CTS_PROT | 2557a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_PREAMBLE | 2567a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_SLOT; 257d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 258d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 259f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void ieee80211_tasklet_handler(unsigned long data) 260f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 261f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = (struct ieee80211_local *) data; 262f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 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; 277f4ea83dd743d3e1bec8fdf954ac911c6b12ae87aJohannes Berg default: 2785e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger WARN(1, "mac80211: Packet is of unknown type %d\n", 2795e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger skb->pkt_type); 280f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc dev_kfree_skb(skb); 281f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 282f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 283f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 284f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 285f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 286f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergstatic void ieee80211_restart_work(struct work_struct *work) 287f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 288f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = 289f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg container_of(work, struct ieee80211_local, restart_work); 290f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 291f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 292f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 293f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 294f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 295f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 296f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 297f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 298f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 299f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 300b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 301b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 302f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg /* use this reason, __ieee80211_resume will unblock it */ 303f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_stop_queues_by_reason(hw, 304f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND); 305f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 306f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg schedule_work(&local->restart_work); 307f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 308f2753ddbadb0873a98421415882318251bbd9eaaJohannes BergEXPORT_SYMBOL(ieee80211_restart_hw); 309f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 3100f78231bffb868a30e8533aace142213266bb811Johannes Bergstatic void ieee80211_recalc_smps_work(struct work_struct *work) 3110f78231bffb868a30e8533aace142213266bb811Johannes Berg{ 3120f78231bffb868a30e8533aace142213266bb811Johannes Berg struct ieee80211_local *local = 3130f78231bffb868a30e8533aace142213266bb811Johannes Berg container_of(work, struct ieee80211_local, recalc_smps); 3140f78231bffb868a30e8533aace142213266bb811Johannes Berg 3150f78231bffb868a30e8533aace142213266bb811Johannes Berg mutex_lock(&local->iflist_mtx); 3160f78231bffb868a30e8533aace142213266bb811Johannes Berg ieee80211_recalc_smps(local, NULL); 3170f78231bffb868a30e8533aace142213266bb811Johannes Berg mutex_unlock(&local->iflist_mtx); 3180f78231bffb868a30e8533aace142213266bb811Johannes Berg} 3190f78231bffb868a30e8533aace142213266bb811Johannes Berg 32026b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 3212b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenstatic int ieee80211_ifa_changed(struct notifier_block *nb, 3222b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unsigned long data, void *arg) 3232b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 3242b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_ifaddr *ifa = arg; 3252b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_local *local = 3262b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen container_of(nb, struct ieee80211_local, 3272b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifa_notifier); 3282b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct net_device *ndev = ifa->ifa_dev->dev; 3292b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct wireless_dev *wdev = ndev->ieee80211_ptr; 330685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct in_device *idev; 3312b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_sub_if_data *sdata; 332685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct ieee80211_bss_conf *bss_conf; 3332b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_if_managed *ifmgd; 334685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen int c = 0; 3352b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 33690b726097ba0dcc1f9725182513e669a30e77db5Juuso Oikarinen if (!netif_running(ndev)) 33790b726097ba0dcc1f9725182513e669a30e77db5Juuso Oikarinen return NOTIFY_DONE; 33890b726097ba0dcc1f9725182513e669a30e77db5Juuso Oikarinen 3392b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* Make sure it's our interface that got changed */ 3402b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!wdev) 3412b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3422b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3432b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (wdev->wiphy != local->hw.wiphy) 3442b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3452b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3462b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 347685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf = &sdata->vif.bss_conf; 3482b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3492b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* ARP filtering is only supported in managed mode */ 3502b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (sdata->vif.type != NL80211_IFTYPE_STATION) 3512b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3522b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 353685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen idev = sdata->dev->ip_ptr; 354685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (!idev) 355685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen return NOTIFY_DONE; 356685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 3572b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifmgd = &sdata->u.mgd; 3582b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_lock(&ifmgd->mtx); 359685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 360685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Copy the addresses to the bss_conf list */ 361685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = idev->ifa_list; 362685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen while (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN && ifa) { 363685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_list[c] = ifa->ifa_address; 364685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = ifa->ifa_next; 365685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c++; 366685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 367685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 368685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* If not all addresses fit the list, disable filtering */ 369685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifa) { 370685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = false; 371685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c = 0; 372685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } else { 373685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = true; 374685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 375685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_cnt = c; 376685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 377685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Configure driver only if associated */ 378685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifmgd->associated) { 379685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_filter_enabled = sdata->arp_filter_state; 380685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ieee80211_bss_info_change_notify(sdata, 381685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen BSS_CHANGED_ARP_FILTER); 382685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 383685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 3842b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_unlock(&ifmgd->mtx); 3852b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3862b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3872b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 38826b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 3892b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 390f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 391f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 392f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 393f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 39496f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 395f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 396f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 397f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 398f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 399f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 400f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 401f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 402f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 403f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 404f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 405f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 406f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 407f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 408f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 409f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 410f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 411f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 4121ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 413f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 414f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 415f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 416f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 417f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 418f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 4199bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 4209bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 4219bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_STATION; 422f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy->privid = mac80211_wiphy_privid; 42318a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 4240c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 425f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 426f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 427de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 428f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 429f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 4301ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 431f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 4324480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->tx); 4334150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->start); 4344150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->stop); 4354480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->config); 4364480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->add_interface); 4374150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->remove_interface); 4384150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->configure_filter); 439f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 440f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 441e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 442e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 443e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 444b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 445b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 446c428c89201a57a0ce24c37ed79e540d1f4101cf3Johannes Berg local->user_power_level = -1; 44750ae0cf15c3da2f6a8e4558de5010923e84736b2Kalle Valo local->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; 44850ae0cf15c3da2f6a8e4558de5010923e84736b2Kalle Valo local->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; 449f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 45079010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 4512f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 4522f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 4532f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 454c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 455f3b85252f081581a8f257545ed748062dce7798bJohannes Berg mutex_init(&local->scan_mtx); 456f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 457ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 4583b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 459ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 460ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 461c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 462f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 463af6b63741cc4e4dfd575d06beb333b11a8a6e0c0Johannes Berg ieee80211_work_init(local); 464af6b63741cc4e4dfd575d06beb333b11a8a6e0c0Johannes Berg 465f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 466f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 4673ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 4680f78231bffb868a30e8533aace142213266bb811Johannes Berg INIT_WORK(&local->recalc_smps, ieee80211_recalc_smps_work); 4690f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 4703ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 471520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 472520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 473520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 474520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 475520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 476520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 477520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 478f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 479f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 480a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 4812a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 482a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg atomic_set(&local->agg_queue_stop[i], 0); 483a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg } 484f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 485f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 486f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 487f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 488f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 489f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 490f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 491f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 492f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 493f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 494f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return local_to_hw(local); 495f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 496f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 497f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 498f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencint ieee80211_register_hw(struct ieee80211_hw *hw) 499f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 500f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 501f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int result; 5028318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg enum ieee80211_band band; 503be4a4b6a5d2f76393f545a2545fbaa1b65577e13Johannes Berg int channels, max_bitrates; 5045ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg bool supp_ht; 50525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 50625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 50725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 50825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 50925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 51025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 51125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 51225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 51325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 5148318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 5158318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 5168318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 5178318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 5188318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 5198318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 5202a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 521de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 5225ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 5238318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 5248318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 5258318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 5268318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 527de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 528de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 529de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->oper_channel) { 5308318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 5318318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg local->hw.conf.channel = 53258905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->oper_channel = &sband->channels[0]; 53358905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->hw.conf.channel_type = NL80211_CHAN_NO_HT; 5348318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 535de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 536de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 537de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 538de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 5395ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 5408318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 541f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5425ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 5435ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg sizeof(void *) * channels, GFP_KERNEL); 5445ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg if (!local->int_scan_req) 5452a5193119269062608582418deba7af82844159aJohannes Berg return -ENOMEM; 5462a5193119269062608582418deba7af82844159aJohannes Berg 547f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 548f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) 549f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 550f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 551f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 552f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 553f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 55477965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) 55577965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 55677965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) 55777965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 55877965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 559ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 560ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 561ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 562ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 563de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 564de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 565de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 566de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * includes the (extended) supported rates and HT 567de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 568de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 569de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->scan_ies_len = 4 + max_bitrates; /* (ext) supp rates */ 5705ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 5715ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 572de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 573de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 574de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 575de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 576de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 577de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 578de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 579de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 580de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 581de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 582de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 583de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 584de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 585de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 586de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 587de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 588de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 58925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg local->hw.wiphy->cipher_suites = cipher_suites; 59025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 59125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) 59225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg local->hw.wiphy->n_cipher_suites--; 59325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 594f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 595f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 5962a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 597f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 598e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 599e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 600e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 601e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 602e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 603e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 604e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 60542935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 60630d3ef41b4395d9bee5f481395eef2d3b8b6ee50Bob Copeland create_singlethread_workqueue(wiphy_name(local->hw.wiphy)); 60742935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 608f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 609f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 610f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 611f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 612b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 613b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 614b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 615b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 616b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 617d24deb2580823ab0b8425790c6f5d18e2ff749d8Gertjan van Wingerde BUILD_BUG_ON(IEEE80211_TX_STATUS_HEADROOM != 618d24deb2580823ab0b8425790c6f5d18e2ff749d8Gertjan van Wingerde sizeof(struct ieee80211_tx_status_rtap_hdr)); 61933ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 62033ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc sizeof(struct ieee80211_tx_status_rtap_hdr)); 621b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 622e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 623e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 624b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 625b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 626b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 627b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 628ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 629b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 630ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 631ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 632ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 633ff61638105db6f5832ef8700436ba6aa6d3a2fdaJuuso Oikarinen local->dynamic_ps_forced_timeout = -1; 634195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 635f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = sta_info_start(local); 636f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 637f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_sta_info; 638f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 639d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 640d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins if (result < 0) { 641d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n", 642d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins wiphy_name(local->hw.wiphy), result); 643d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins goto fail_wep; 644d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins } 645d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 646f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 647f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 648830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 649830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 650f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 651f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc printk(KERN_DEBUG "%s: Failed to initialize rate control " 652dd1cd4c620c174ebbdf78dc01b924115a06de5d3Johannes Berg "algorithm\n", wiphy_name(local->hw.wiphy)); 653f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 654f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 655f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6568dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 6578dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 6588dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 6598dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 6608dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 6618dffff216fcac4f79078478085e86d68db64922eJohannes Berg printk(KERN_WARNING "%s: Failed to add default virtual iface\n", 6628dffff216fcac4f79078478085e86d68db64922eJohannes Berg wiphy_name(local->hw.wiphy)); 6638dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 664f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 665f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 666f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 667f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_init(local); 668f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 66910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 67010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 67110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 67210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 67310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 67410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 67510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 67610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 67710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 67826b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 6792b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 6802b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 6812b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 6822b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 68326b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 6842b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 685f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 686f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6872b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 6882b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 6892b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 6902b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 69110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 69210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 69310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 69410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 695f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 696d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 697aba7453037c3a90714caae77a622dceaf1173786David S. Miller fail_wep: 698f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 69910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_sta_info: 70042935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 70110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 702f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 70310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 70411ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 705f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 706f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 707f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 708f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 709f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 710f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 711f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 712f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 713f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 714f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 715f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 71610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 71710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 71826b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 7192b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 72026b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 72110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 722f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 723f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 72479010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 72579010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 72679010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 72779010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 72879010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 72975636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 7305b2812e925c8e976852867f8d760637c5926d817Johannes Berg 731f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 732f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 7333ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 7343ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 735f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 736f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 737f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 738f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 739f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 740f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 741f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc printk(KERN_WARNING "%s: skb_queue not empty\n", 742dd1cd4c620c174ebbdf78dc01b924115a06de5d3Johannes Berg wiphy_name(local->hw.wiphy)); 743f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 744f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 745f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 74642935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 747f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 748f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 749f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 7505ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 751f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 752f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 753f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 754f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 755f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 756f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 757f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 758c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 759f3b85252f081581a8f257545ed748062dce7798bJohannes Berg mutex_destroy(&local->scan_mtx); 760c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 761f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 762f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 763f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 764f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 765f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 766f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 767f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 768f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 769f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 770e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 771e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 772c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 773f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 774cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 775cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 776cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 777cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 778ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 779ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 780ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 781ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 7824b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg ret = rc80211_pid_init(); 783ad01837593338f13508463fa11c8dbf8109a1e5dMattias Nissler if (ret) 78447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_pid; 785f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 78647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 78747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 78847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 789e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 790f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 79147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 79247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_pid_exit(); 79347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_pid: 794ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 795ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 79647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 79747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 79847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 799f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 800f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 801f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 802f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 8034b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg rc80211_pid_exit(); 804ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 805cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 806ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 8073b96766f0e643f52ae19e134664df6730c737e87Johannes Berg /* 8083b96766f0e643f52ae19e134664df6730c737e87Johannes Berg * For key todo, it'll be empty by now but the work 8093b96766f0e643f52ae19e134664df6730c737e87Johannes Berg * might still be scheduled. 8103b96766f0e643f52ae19e134664df6730c737e87Johannes Berg */ 8113b96766f0e643f52ae19e134664df6730c737e87Johannes Berg flush_scheduled_work(); 8123b96766f0e643f52ae19e134664df6730c737e87Johannes Berg 813f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo if (mesh_allocated) 814f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo ieee80211s_stop(); 815902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 81647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 817f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 818f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 819f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 820ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 821f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 822f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 823f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 824f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 825