main.c revision 24a8fdad35835e8d71f7c4b978a246fafed2e7b4
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 577be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg if (local->fif_probe_req || local->probe_req_reg) 587be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg new_flags |= FIF_PROBE_REQ; 597be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg 608cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_fcsfail) 618cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_FCSFAIL; 628cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 638cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_plcpfail) 648cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_PLCPFAIL; 658cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 668cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_control) 678cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_CONTROL; 688cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 698cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_other_bss) 708cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_OTHER_BSS; 714150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 72e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov if (local->fif_pspoll) 73e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov new_flags |= FIF_PSPOLL; 74e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov 753ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_lock_bh(&local->filter_lock); 764150c57212ad134765dd78c654a4b9906252b66dJohannes Berg changed_flags = local->filter_flags ^ new_flags; 774150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 7822bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc = drv_prepare_multicast(local, &local->mc_list); 793ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_unlock_bh(&local->filter_lock); 803ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 814150c57212ad134765dd78c654a4b9906252b66dJohannes Berg /* be a bit nasty */ 824150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= (1<<31); 834150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 843ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg drv_configure_filter(local, changed_flags, &new_flags, mc); 854150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 864150c57212ad134765dd78c654a4b9906252b66dJohannes Berg WARN_ON(new_flags & (1<<31)); 874150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 884150c57212ad134765dd78c654a4b9906252b66dJohannes Berg local->filter_flags = new_flags & ~(1<<31); 894150c57212ad134765dd78c654a4b9906252b66dJohannes Berg} 904150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 913ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Bergstatic void ieee80211_reconfig_filter(struct work_struct *work) 923ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg{ 933ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg struct ieee80211_local *local = 943ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg container_of(work, struct ieee80211_local, reconfig_filter); 953ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 963ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg ieee80211_configure_filter(local); 973ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg} 983ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 99e8975581f63870be42ff4662b293d1b0c8c21350Johannes Bergint ieee80211_hw_config(struct ieee80211_local *local, u32 changed) 100b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg{ 10158905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg struct ieee80211_channel *chan, *scan_chan; 102b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg int ret = 0; 103e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg int power; 104094d05dc32fc2930e381189a942016e5561775d9Sujith enum nl80211_channel_type channel_type; 105ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau u32 offchannel_flag; 106f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 107cb121bad67a32cde37adc2729b7e18aa4fd3063eJohannes Berg might_sleep(); 108cb121bad67a32cde37adc2729b7e18aa4fd3063eJohannes Berg 10958905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg scan_chan = local->scan_channel; 11058905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg 111ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 11258905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg if (scan_chan) { 11358905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg chan = scan_chan; 114094d05dc32fc2930e381189a942016e5561775d9Sujith channel_type = NL80211_CHAN_NO_HT; 1154552124543141debf40a94b67155e57aa6bb34d6Felix Fietkau local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; 1168d4780eb1ece4e8109b4f6b2e5e61f7fc593c3f4Luis R. Rodriguez } else if (local->tmp_channel && 1178d4780eb1ece4e8109b4f6b2e5e61f7fc593c3f4Luis R. Rodriguez local->oper_channel != local->tmp_channel) { 118b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg chan = scan_chan = local->tmp_channel; 119b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg channel_type = local->tmp_channel_type; 1204552124543141debf40a94b67155e57aa6bb34d6Felix Fietkau local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; 12172bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } else { 122b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg chan = local->oper_channel; 1230aaffa9b9699894aab3266195a529baf9f96ac29Johannes Berg channel_type = local->_oper_channel_type; 1244552124543141debf40a94b67155e57aa6bb34d6Felix Fietkau local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL; 12572bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } 126ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 127f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 128ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau if (offchannel_flag || chan != local->hw.conf.channel || 1294797938c5dfa22af30fd16679192972f878419a1Johannes Berg channel_type != local->hw.conf.channel_type) { 130e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.channel = chan; 1314797938c5dfa22af30fd16679192972f878419a1Johannes Berg local->hw.conf.channel_type = channel_type; 132e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_CHANNEL; 133e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 1348318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 1350f78231bffb868a30e8533aace142213266bb811Johannes Berg if (!conf_is_ht(&local->hw.conf)) { 1360f78231bffb868a30e8533aace142213266bb811Johannes Berg /* 1370f78231bffb868a30e8533aace142213266bb811Johannes Berg * mac80211.h documents that this is only valid 1380f78231bffb868a30e8533aace142213266bb811Johannes Berg * when the channel is set to an HT type, and 1390f78231bffb868a30e8533aace142213266bb811Johannes Berg * that otherwise STATIC is used. 1400f78231bffb868a30e8533aace142213266bb811Johannes Berg */ 1410f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC; 1420f78231bffb868a30e8533aace142213266bb811Johannes Berg } else if (local->hw.conf.smps_mode != local->smps_mode) { 1430f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = local->smps_mode; 1440f78231bffb868a30e8533aace142213266bb811Johannes Berg changed |= IEEE80211_CONF_CHANGE_SMPS; 1450f78231bffb868a30e8533aace142213266bb811Johannes Berg } 1460f78231bffb868a30e8533aace142213266bb811Johannes Berg 14758905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg if (scan_chan) 148e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg power = chan->max_power; 1498318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg else 150a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = local->power_constr_level ? 151a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan (chan->max_power - local->power_constr_level) : 152a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan chan->max_power; 153a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 15447afbaf5af9454a7a1a64591e20cbfcc27ca67a8Johannes Berg if (local->user_power_level >= 0) 155a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = min(power, local->user_power_level); 156a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 157e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (local->hw.conf.power_level != power) { 158e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_POWER; 159e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.power_level = power; 160e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 161b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg 162e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (changed && local->open_count) { 1632448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg ret = drv_config(local, changed); 164d73782fdde76554016abf73b46f843b29f520848Johannes Berg /* 165447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Goal: 166d73782fdde76554016abf73b46f843b29f520848Johannes Berg * HW reconfiguration should never fail, the driver has told 167d73782fdde76554016abf73b46f843b29f520848Johannes Berg * us what it can support so it should live up to that promise. 168447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 169447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Current status: 170447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * rfkill is not integrated with mac80211 and a 171447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * configuration command can thus fail if hardware rfkill 172447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * is enabled 173447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 174447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * FIXME: integrate rfkill with mac80211 and then add this 175447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * WARN_ON() back 176447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 177d73782fdde76554016abf73b46f843b29f520848Johannes Berg */ 178447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre /* WARN_ON(ret); */ 179d73782fdde76554016abf73b46f843b29f520848Johannes Berg } 180f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 181b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg return ret; 182b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg} 183f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 184471b3efdfccc257591331724145f8ccf8b3217e1Johannes Bergvoid ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 185471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg u32 changed) 186d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 187471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg struct ieee80211_local *local = sdata->local; 1889cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg static const u8 zero[ETH_ALEN] = { 0 }; 189471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 190471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg if (!changed) 191471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg return; 192471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 1939cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.type == NL80211_IFTYPE_STATION) { 1949cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg /* 1959cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * While not associated, claim a BSSID of all-zeroes 1969cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * so that drivers don't do any weird things with the 1979cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg * BSSID at that time. 1989cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg */ 1999cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.bss_conf.assoc) 2009cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid; 2019cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg else 2029cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg sdata->vif.bss_conf.bssid = zero; 2039cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) 2042d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.ibss.bssid; 2052d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (sdata->vif.type == NL80211_IFTYPE_AP) 20647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg sdata->vif.bss_conf.bssid = sdata->vif.addr; 2071be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan else if (sdata->vif.type == NL80211_IFTYPE_WDS) 2081be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan sdata->vif.bss_conf.bssid = NULL; 2092d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (ieee80211_vif_is_mesh(&sdata->vif)) { 2102d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = zero; 2112d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2122d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2132d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2142d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2152d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2162d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2172d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2182d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2191be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan case NL80211_IFTYPE_WDS: 2202d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 2212d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2222d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2232d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* do not warn to simplify caller in scan.c */ 2242d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg changed &= ~BSS_CHANGED_BEACON_ENABLED; 2252d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (WARN_ON(changed & BSS_CHANGED_BEACON)) 2262d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2272d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2282d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2292d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2302d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (changed & BSS_CHANGED_BEACON_ENABLED) { 2319607e6b66a0d25ca63b70d54a4283fa13d8f7c9dJohannes Berg if (local->quiescing || !ieee80211_sdata_running(sdata) || 23297af743207466ff8b477e14bfb7af0ba2c93375bBob Copeland test_bit(SCAN_SW_SCANNING, &local->scanning)) { 2332d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = false; 2342d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2352d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* 2362d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * Beacon should be enabled, but AP mode must 2372d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * check whether there is a beacon configured. 2382d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg */ 2392d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2402d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2412d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2420379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ap.beacon; 2432d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2442d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2452d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2460379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ibss.presp; 2472d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2487659a193f94c0003dd06e9e874d19bade1a8c952Javier Cardona#ifdef CONFIG_MAC80211_MESH 2492d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 25029cbe68c516a48a9a88b3226878570c6cbd83c02Johannes Berg sdata->vif.bss_conf.enable_beacon = 25129cbe68c516a48a9a88b3226878570c6cbd83c02Johannes Berg !!sdata->u.mesh.mesh_id_len; 2522d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2537659a193f94c0003dd06e9e874d19bade1a8c952Javier Cardona#endif 2542d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2552d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* not reached */ 2562d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2572d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2582d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2592d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2602d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2612d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 26212375ef933fa8271396ed0c1e318cb1bd2e2689dJohannes Berg drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed); 263d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 264d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 265f698d856f65c3fea091cc303a135967965c5b880Jasper Bryant-Greeneu32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) 266d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 267bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_cts_prot = false; 268bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_preamble = false; 269bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_slot = false; 2707a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg return BSS_CHANGED_ERP_CTS_PROT | 2717a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_PREAMBLE | 2727a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_SLOT; 273d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 274d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 275f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void ieee80211_tasklet_handler(unsigned long data) 276f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 277f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = (struct ieee80211_local *) data; 278f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 279f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 280f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc while ((skb = skb_dequeue(&local->skb_queue)) || 281f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (skb = skb_dequeue(&local->skb_queue_unreliable))) { 282f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc switch (skb->pkt_type) { 283f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_RX_MSG: 28451fb61e76d952e6bc2fbdd9f0d38425fbab1cf31Johannes Berg /* Clear skb->pkt_type in order to not confuse kernel 285f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * netstack. */ 286f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 287f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx(local_to_hw(local), skb); 288f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 289f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_TX_STATUS_MSG: 290f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 291e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg ieee80211_tx_status(local_to_hw(local), skb); 292f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 293f4ea83dd743d3e1bec8fdf954ac911c6b12ae87aJohannes Berg default: 2945e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger WARN(1, "mac80211: Packet is of unknown type %d\n", 2955e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger skb->pkt_type); 296f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc dev_kfree_skb(skb); 297f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 298f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 299f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 300f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 301f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 302f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergstatic void ieee80211_restart_work(struct work_struct *work) 303f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 304f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = 305f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg container_of(work, struct ieee80211_local, restart_work); 306f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 307bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka /* wait for scan work complete */ 308bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka flush_workqueue(local->workqueue); 309bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 310bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_lock(&local->mtx); 311bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), 312bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka "%s called with hardware scan in progress\n", __func__); 313bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_unlock(&local->mtx); 314bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 315f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 3164136c4224ccf1907d309e1cdfaefef9da97dbc5eStanislaw Gruszka ieee80211_scan_cancel(local); 317f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 318f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 319f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 320f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 321f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 322f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 323f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 324f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 325b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 326b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 32718145c69349f2ab60c470798f83b3a2639e2a8d9John W. Linville /* use this reason, ieee80211_reconfig will unblock it */ 328f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_stop_queues_by_reason(hw, 329f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND); 330f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 331f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg schedule_work(&local->restart_work); 332f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 333f2753ddbadb0873a98421415882318251bbd9eaaJohannes BergEXPORT_SYMBOL(ieee80211_restart_hw); 334f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 3350f78231bffb868a30e8533aace142213266bb811Johannes Bergstatic void ieee80211_recalc_smps_work(struct work_struct *work) 3360f78231bffb868a30e8533aace142213266bb811Johannes Berg{ 3370f78231bffb868a30e8533aace142213266bb811Johannes Berg struct ieee80211_local *local = 3380f78231bffb868a30e8533aace142213266bb811Johannes Berg container_of(work, struct ieee80211_local, recalc_smps); 3390f78231bffb868a30e8533aace142213266bb811Johannes Berg 3400f78231bffb868a30e8533aace142213266bb811Johannes Berg mutex_lock(&local->iflist_mtx); 341025e6be220e448c02045e8499c7db8ce4bc8eea2Johannes Berg ieee80211_recalc_smps(local); 3420f78231bffb868a30e8533aace142213266bb811Johannes Berg mutex_unlock(&local->iflist_mtx); 3430f78231bffb868a30e8533aace142213266bb811Johannes Berg} 3440f78231bffb868a30e8533aace142213266bb811Johannes Berg 34526b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 3462b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenstatic int ieee80211_ifa_changed(struct notifier_block *nb, 3472b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unsigned long data, void *arg) 3482b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 3492b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_ifaddr *ifa = arg; 3502b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_local *local = 3512b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen container_of(nb, struct ieee80211_local, 3522b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifa_notifier); 3532b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct net_device *ndev = ifa->ifa_dev->dev; 3542b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct wireless_dev *wdev = ndev->ieee80211_ptr; 355685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct in_device *idev; 3562b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_sub_if_data *sdata; 357685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct ieee80211_bss_conf *bss_conf; 3582b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_if_managed *ifmgd; 359685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen int c = 0; 3602b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3612b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* Make sure it's our interface that got changed */ 3622b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!wdev) 3632b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3642b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3652b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (wdev->wiphy != local->hw.wiphy) 3662b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3672b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3682b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 369685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf = &sdata->vif.bss_conf; 3702b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 37126a58456be40d8181b884eb5b4e61e3f73ba94e0Johannes Berg if (!ieee80211_sdata_running(sdata)) 37226a58456be40d8181b884eb5b4e61e3f73ba94e0Johannes Berg return NOTIFY_DONE; 37326a58456be40d8181b884eb5b4e61e3f73ba94e0Johannes Berg 3742b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* ARP filtering is only supported in managed mode */ 3752b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (sdata->vif.type != NL80211_IFTYPE_STATION) 3762b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 3772b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 37895ae6b228f814fc0528d0506ee9f18ac333d6851Eric Dumazet idev = __in_dev_get_rtnl(sdata->dev); 379685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (!idev) 380685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen return NOTIFY_DONE; 381685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 3822b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifmgd = &sdata->u.mgd; 3832b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_lock(&ifmgd->mtx); 384685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 385685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Copy the addresses to the bss_conf list */ 386685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = idev->ifa_list; 387685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen while (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN && ifa) { 388685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_list[c] = ifa->ifa_address; 389685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = ifa->ifa_next; 390685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c++; 391685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 392685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 393685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* If not all addresses fit the list, disable filtering */ 394685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifa) { 395685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = false; 396685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c = 0; 397685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } else { 398685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = true; 399685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 400685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_cnt = c; 401685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 402685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Configure driver only if associated */ 403685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifmgd->associated) { 404685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_filter_enabled = sdata->arp_filter_state; 405685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ieee80211_bss_info_change_notify(sdata, 406685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen BSS_CHANGED_ARP_FILTER); 407685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 408685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 4092b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_unlock(&ifmgd->mtx); 4102b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4112b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 4122b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 41326b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 4142b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4154e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillestatic int ieee80211_napi_poll(struct napi_struct *napi, int budget) 4164e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4174e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = 4184e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville container_of(napi, struct ieee80211_local, napi); 4194e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4204e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville return local->ops->napi_poll(&local->hw, budget); 4214e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4224e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4234e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_schedule(struct ieee80211_hw *hw) 4244e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4254e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4264e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4274e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_schedule(&local->napi); 4284e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4294e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_schedule); 4304e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4314e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_complete(struct ieee80211_hw *hw) 4324e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4334e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4344e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4354e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_complete(&local->napi); 4364e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4374e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_complete); 4384e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4392e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg/* There isn't a lot of sense in it, but you can transmit anything you like */ 4402e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergstatic const struct ieee80211_txrx_stypes 4412e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { 4422e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_ADHOC] = { 4432e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4442e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4), 4452e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4462e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_STATION] = { 4472e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4482e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4492e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4502e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4512e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP] = { 4522e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4532e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4542e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4552e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4562e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4572e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4582e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4592e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4602e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4612e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP_VLAN] = { 4622e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg /* copy AP */ 4632e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4642e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4652e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4662e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4672e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4682e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4692e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4702ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4712ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4722ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_CLIENT] = { 4732ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4742ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4752ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4762ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 4772ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_GO] = { 4782ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 4792ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4802ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4812ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4822e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4832e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4842e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4852e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4862e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 487c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona [NL80211_IFTYPE_MESH_POINT] = { 488c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona .tx = 0xffff, 489c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona .rx = BIT(IEEE80211_STYPE_ACTION >> 4), 490c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona }, 4912e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg}; 4922e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 493f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 494f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 495f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 496f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 49796f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 498f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 499f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 500f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 501f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 502f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 503f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 504f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 505f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 506f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 507f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 508f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 509f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 510f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 511f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 512f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 513f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 514f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 5151ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 516f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 517f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 518f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 519f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 520f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 521f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5222e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; 5232e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 524207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->privid = mac80211_wiphy_privid; 525207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 5269bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 5279bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 528f7e0104c1a4e77cc4f23d5969b0677bdc4f62c63Johannes Berg WIPHY_FLAG_4ADDR_STATION | 529f7e0104c1a4e77cc4f23d5969b0677bdc4f62c63Johannes Berg WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS; 530207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 531207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg if (!ops->set_key) 532207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 53318a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 5340c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 535f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 536f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 537de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 538f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 539f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5401ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 541f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5424480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->tx); 5434150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->start); 5444150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->stop); 5454480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->config); 5464480f15ca62a595248d6d8e2b3e75052113cde59Johannes Berg BUG_ON(!ops->add_interface); 5474150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->remove_interface); 5484150c57212ad134765dd78c654a4b9906252b66dJohannes Berg BUG_ON(!ops->configure_filter); 549f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 550f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 551e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 552e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 553e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 55478be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa local->hw.max_report_rates = 0; 555b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 556b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 557c428c89201a57a0ce24c37ed79e540d1f4101cf3Johannes Berg local->user_power_level = -1; 55850ae0cf15c3da2f6a8e4558de5010923e84736b2Kalle Valo local->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES; 55950ae0cf15c3da2f6a8e4558de5010923e84736b2Kalle Valo local->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN; 560f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 56179010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 5622f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 5632f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 5642f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 565c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 566a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_init(&local->mtx); 567f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 568ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 5693b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 570ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 571ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 57224a8fdad35835e8d71f7c4b978a246fafed2e7b4Christian Lamparter skb_queue_head_init(&local->rx_skb_queue); 57324a8fdad35835e8d71f7c4b978a246fafed2e7b4Christian Lamparter 574c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 575f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 576af6b63741cc4e4dfd575d06beb333b11a8a6e0c0Johannes Berg ieee80211_work_init(local); 577af6b63741cc4e4dfd575d06beb333b11a8a6e0c0Johannes Berg 578f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 579f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 5803ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 5810f78231bffb868a30e8533aace142213266bb811Johannes Berg INIT_WORK(&local->recalc_smps, ieee80211_recalc_smps_work); 5820f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 5833ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 584520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 585520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 586520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 587520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 588520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 589520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 590520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 591f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 592f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 593a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 5942a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 595a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg atomic_set(&local->agg_queue_stop[i], 0); 596a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg } 597f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 598f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 599f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 600f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 601f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 602f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 603f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 604f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 605f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 606f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6074e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville /* init dummy netdev for use w/ NAPI */ 6084e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville init_dummy_netdev(&local->napi_dev); 6094e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 610f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return local_to_hw(local); 611f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 612f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 613f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 614f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencint ieee80211_register_hw(struct ieee80211_hw *hw) 615f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 616f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 617f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int result; 6188318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg enum ieee80211_band band; 619be4a4b6a5d2f76393f545a2545fbaa1b65577e13Johannes Berg int channels, max_bitrates; 6205ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg bool supp_ht; 62125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 6225daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg /* keep WEP first, it may be removed below */ 62325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 62425e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 62525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 62625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 62725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 62825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 62925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 63025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 6318318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 63278be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa if (hw->max_report_rates == 0) 63378be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa hw->max_report_rates = hw->max_rates; 63478be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa 6358318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 6368318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 6378318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 6388318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 6398318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 6402a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 641de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 6425ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 6438318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 6448318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 6458318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 6468318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 647de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 648de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 649de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->oper_channel) { 6508318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 6518318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg local->hw.conf.channel = 65258905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->oper_channel = &sband->channels[0]; 65358905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->hw.conf.channel_type = NL80211_CHAN_NO_HT; 6548318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 655de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 656de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 657de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 658de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 6595ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 6608318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 661f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6625ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 6635ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg sizeof(void *) * channels, GFP_KERNEL); 6645ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg if (!local->int_scan_req) 6652a5193119269062608582418deba7af82844159aJohannes Berg return -ENOMEM; 6662a5193119269062608582418deba7af82844159aJohannes Berg 667f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 668f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) 669f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 670f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 671f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 672f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 673f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 6745eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#ifndef CONFIG_MAC80211_MESH 6755eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg /* mesh depends on Kconfig, but drivers should set it if they want */ 6765eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT); 6775eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#endif 6785eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg 679a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg /* mac80211 supports control port protocol changing */ 680a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL; 681a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg 68277965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) 68377965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 68477965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) 68577965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 68677965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 687ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 688ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 689ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 690ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 691de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 692de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 693de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 694dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen * includes the DS Params, (extended) supported rates, and HT 695de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 696de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 697dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ + 698dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen 3 /* DS Params */; 6995ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 7005ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 701de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 702de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 703de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 704de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 705de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 706de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 707de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 708de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 709de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 710de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 711de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 712de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 713de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 714de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 715de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 716de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 717de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 7183ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Set up cipher suites unless driver already did */ 7193ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!local->hw.wiphy->cipher_suites) { 7203ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = cipher_suites; 7213ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 7223ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) 7233ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites--; 7243ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 7255daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) { 7263ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->hw.wiphy->cipher_suites == cipher_suites) { 7273ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites += 2; 7283ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites -= 2; 7293ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } else { 7303ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 *suites; 7313ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg int r, w = 0; 7323ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 7333ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Filter out WEP */ 7343ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 7353ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites = kmemdup( 7363ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites, 7373ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg sizeof(u32) * local->hw.wiphy->n_cipher_suites, 7383ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg GFP_KERNEL); 7393ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!suites) 7403ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg return -ENOMEM; 7413ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) { 7423ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 suite = local->hw.wiphy->cipher_suites[r]; 7433ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (suite == WLAN_CIPHER_SUITE_WEP40 || 7443ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suite == WLAN_CIPHER_SUITE_WEP104) 7453ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg continue; 7463ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites[w++] = suite; 7473ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 7483ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = suites; 7493ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = w; 7503ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->wiphy_ciphers_allocated = true; 7513ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 7525daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg } 75325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 754a293911d4fd5e8593dbf478399a77f990d466269Johannes Berg local->hw.wiphy->max_remain_on_channel_duration = 5000; 755a293911d4fd5e8593dbf478399a77f990d466269Johannes Berg 756f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 757f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 7582a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 759f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 760e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 761e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 762e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 763e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 764e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 765e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 766e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 76742935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 76899b88a0ecbdbc6df03527292571b2b442965814aTejun Heo alloc_ordered_workqueue(wiphy_name(local->hw.wiphy), 0); 76942935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 770f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 771f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 772f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 773f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 774b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 775b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 776b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 777b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 778b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 779d24deb2580823ab0b8425790c6f5d18e2ff749d8Gertjan van Wingerde BUILD_BUG_ON(IEEE80211_TX_STATUS_HEADROOM != 780d24deb2580823ab0b8425790c6f5d18e2ff749d8Gertjan van Wingerde sizeof(struct ieee80211_tx_status_rtap_hdr)); 78133ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 78233ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc sizeof(struct ieee80211_tx_status_rtap_hdr)); 783b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 784e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 785e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 786b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 787b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 788b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 789b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 790ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 791b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 792ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 793ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 794ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 795ff61638105db6f5832ef8700436ba6aa6d3a2fdaJuuso Oikarinen local->dynamic_ps_forced_timeout = -1; 796195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 797f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = sta_info_start(local); 798f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 799f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_sta_info; 800f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 801d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 8023473187d2459a078e00e5fac8aafc30af69c57faJohn W. Linville if (result < 0) 8030fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", 8040fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches result); 805d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 806f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 807f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 808830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 809830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 810f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 8110fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, 8120fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to initialize rate control algorithm\n"); 813f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 814f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 815f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 8168dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 8178dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 8188dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 8198dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 8208dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 8210fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, 8220fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to add default virtual iface\n"); 8238dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 824f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 825f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 826f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 827f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_init(local); 828f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 82910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 83010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 83110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 83210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 83310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 83410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 83510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 83610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 83710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 83826b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 8392b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 8402b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 8412b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 8422b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 84326b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 8442b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 8454e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll, 8464e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville local->hw.napi_weight); 8474e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 848f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 849f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 85093c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#ifdef CONFIG_INET 8512b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 8522b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 8532b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 8542b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 85593c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#endif 85610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 85710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 85810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 85910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 860f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 861d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 862f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 86310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_sta_info: 86442935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 86510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 866f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 86710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 8683ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 8693ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 87011ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 871f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 872f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 873f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 874f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 875f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 876f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 877f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 878f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 879f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 880f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 881f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 88210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 88310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 88426b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 8852b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 88626b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 88710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 888f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 889f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 89079010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 89179010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 89279010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 89379010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 89479010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 89575636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 8965b2812e925c8e976852867f8d760637c5926d817Johannes Berg 897f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 898f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 899071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg /* 900071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg * Now all work items will be gone, but the 901071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg * timer might still be armed, so delete it 902071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg */ 903071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg del_timer_sync(&local->work_timer); 904071249b1d501b1f31a6b1af3fbcbe03158a84e5cJohannes Berg 905258086a48b766d12a500f98834654ffa927ca475Christian Lamparter cancel_work_sync(&local->restart_work); 9063ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 9073ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 908f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 909f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 910f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 911f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 912f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 913f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 9140fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); 915f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 916f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 91724a8fdad35835e8d71f7c4b978a246fafed2e7b4Christian Lamparter skb_queue_purge(&local->rx_skb_queue); 918f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 91942935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 920f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 921f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 922f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 9235ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 924f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 925f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 926f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 927f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 928f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 929f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 930f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 931c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 932a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_destroy(&local->mtx); 933c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 9343ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 9353ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 9363ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 937f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 938f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 939f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 940f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 941f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 942f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 943f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 944f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 945f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 946e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 947e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 948c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 949f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 950cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 951cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 952cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 953cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 954ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 955ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 956ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 957ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 9584b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg ret = rc80211_pid_init(); 959ad01837593338f13508463fa11c8dbf8109a1e5dMattias Nissler if (ret) 96047846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_pid; 961f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 96247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 96347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 96447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 965e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 966f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 96747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 96847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_pid_exit(); 96947846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_pid: 970ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 971ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 97247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 97347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 97447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 975f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 976f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 977f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 978f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 9794b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg rc80211_pid_exit(); 980ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 981cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 982ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 983f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo if (mesh_allocated) 984f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo ieee80211s_stop(); 985902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 98647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 987f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 988f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 989f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 990ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 991f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 992f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 993f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 994f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 995