main.c revision 55de908ab292c03f1eb280f51170ddb9c6b57e31
1f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc/* 2f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * Copyright 2002-2005, Instant802 Networks, Inc. 3f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * Copyright 2005-2006, Devicescape Software, Inc. 4f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> 5f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 6f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * This program is free software; you can redistribute it and/or modify 7f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * it under the terms of the GNU General Public License version 2 as 8f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * published by the Free Software Foundation. 9f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 10f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 11f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <net/mac80211.h> 12f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/module.h> 13f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/init.h> 14f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/netdevice.h> 15f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/types.h> 16f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/slab.h> 17f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/skbuff.h> 18f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/etherdevice.h> 19f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/if_arp.h> 20f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/rtnetlink.h> 21f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <linux/bitmap.h> 22e8db0be1245de16a6cc6365506abc392c3c212d4Jean Pihet#include <linux/pm_qos.h> 23685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen#include <linux/inetdevice.h> 24881d966b48b035ab3f3aeaae0f3d3f9b584f45b2Eric W. Biederman#include <net/net_namespace.h> 25f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include <net/cfg80211.h> 26f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 27f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include "ieee80211_i.h" 282448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg#include "driver-ops.h" 292c8dccc77420fb7433da5674818959d3499d35beJohannes Berg#include "rate.h" 30f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo#include "mesh.h" 31f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc#include "wep.h" 322c8dccc77420fb7433da5674818959d3499d35beJohannes Berg#include "led.h" 33e0eb68596232788bc352368f2fbc3cb088e42e41Michael Wu#include "cfg.h" 34e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc#include "debugfs.h" 35f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 36681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Bergstatic struct lock_class_key ieee80211_rx_skb_queue_class; 37681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg 380d143fe1e2efc084fa730d2dfa22d0d1ca2ee5f1Johannes Bergvoid ieee80211_configure_filter(struct ieee80211_local *local) 394150c57212ad134765dd78c654a4b9906252b66dJohannes Berg{ 403ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg u64 mc; 414150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int changed_flags; 424150c57212ad134765dd78c654a4b9906252b66dJohannes Berg unsigned int new_flags = 0; 434150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 4453918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_promiscs)) 454150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_PROMISC_IN_BSS; 464150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 4753918994b7c8c3bf0af5f641e1f299856799d883Johannes Berg if (atomic_read(&local->iff_allmultis)) 484150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= FIF_ALLMULTI; 494150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 508a690674e0601efbe9a7b16a5826fc522645cca3Ben Greear if (local->monitors || test_bit(SCAN_SW_SCANNING, &local->scanning) || 518a690674e0601efbe9a7b16a5826fc522645cca3Ben Greear test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) 528cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_BCN_PRBRESP_PROMISC; 538cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 547be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg if (local->fif_probe_req || local->probe_req_reg) 557be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg new_flags |= FIF_PROBE_REQ; 567be5086d4cb7cceb71d724a9524d5e927785d04fJohannes Berg 578cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_fcsfail) 588cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_FCSFAIL; 598cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 608cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_plcpfail) 618cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_PLCPFAIL; 628cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 638cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_control) 648cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_CONTROL; 658cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu 668cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu if (local->fif_other_bss) 678cc9a73914b07b5908d8a59320f4557fc9639f2eMichael Wu new_flags |= FIF_OTHER_BSS; 684150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 69e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov if (local->fif_pspoll) 70e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov new_flags |= FIF_PSPOLL; 71e3b90ca28412fb9dcc8c5ca38e179e78fec07eeeIgor Perminov 723ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_lock_bh(&local->filter_lock); 734150c57212ad134765dd78c654a4b9906252b66dJohannes Berg changed_flags = local->filter_flags ^ new_flags; 744150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 7522bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko mc = drv_prepare_multicast(local, &local->mc_list); 763ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg spin_unlock_bh(&local->filter_lock); 773ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 784150c57212ad134765dd78c654a4b9906252b66dJohannes Berg /* be a bit nasty */ 794150c57212ad134765dd78c654a4b9906252b66dJohannes Berg new_flags |= (1<<31); 804150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 813ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg drv_configure_filter(local, changed_flags, &new_flags, mc); 824150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 834150c57212ad134765dd78c654a4b9906252b66dJohannes Berg WARN_ON(new_flags & (1<<31)); 844150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 854150c57212ad134765dd78c654a4b9906252b66dJohannes Berg local->filter_flags = new_flags & ~(1<<31); 864150c57212ad134765dd78c654a4b9906252b66dJohannes Berg} 874150c57212ad134765dd78c654a4b9906252b66dJohannes Berg 883ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Bergstatic void ieee80211_reconfig_filter(struct work_struct *work) 893ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg{ 903ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg struct ieee80211_local *local = 913ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg container_of(work, struct ieee80211_local, reconfig_filter); 923ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 933ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg ieee80211_configure_filter(local); 943ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg} 953ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 9655de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Bergstatic u32 ieee80211_hw_conf_chan(struct ieee80211_local *local) 97b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg{ 985e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka struct ieee80211_channel *chan; 9955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg u32 changed = 0; 100e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg int power; 101094d05dc32fc2930e381189a942016e5561775d9Sujith enum nl80211_channel_type channel_type; 102ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau u32 offchannel_flag; 103f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 104ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 1055e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka if (local->scan_channel) { 1065e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka chan = local->scan_channel; 1074f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear /* If scanning on oper channel, use whatever channel-type 1084f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear * is currently in use. 1094f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear */ 11055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (chan == local->_oper_channel) 1114f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear channel_type = local->_oper_channel_type; 1124f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear else 1134f2e9d91f84ce39698517203974ffc2bcc32a21dBen Greear channel_type = NL80211_CHAN_NO_HT; 114b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear } else if (local->tmp_channel) { 1155e5202a406896fb6d656d0e7d3f2f1cbfdda6384Stanislaw Gruszka chan = local->tmp_channel; 116b8bc4b0aa9bfba755c64b11b8f60e6cfab25dc9dJohannes Berg channel_type = local->tmp_channel_type; 11772bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } else { 11855de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg chan = local->_oper_channel; 1190aaffa9b9699894aab3266195a529baf9f96ac29Johannes Berg channel_type = local->_oper_channel_type; 12072bdcf34380917260da41e3c49e10edee04bc5cdJouni Malinen } 121b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear 12255de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (chan != local->_oper_channel || 123b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear channel_type != local->_oper_channel_type) 124b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL; 125b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear else 126b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL; 127b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear 128ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL; 129f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 130ffd2778bb984afe3cc264e22a125c06587020aa3Felix Fietkau if (offchannel_flag || chan != local->hw.conf.channel || 1314797938c5dfa22af30fd16679192972f878419a1Johannes Berg channel_type != local->hw.conf.channel_type) { 132e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.channel = chan; 1334797938c5dfa22af30fd16679192972f878419a1Johannes Berg local->hw.conf.channel_type = channel_type; 134e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_CHANNEL; 135e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 1368318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 1370f78231bffb868a30e8533aace142213266bb811Johannes Berg if (!conf_is_ht(&local->hw.conf)) { 1380f78231bffb868a30e8533aace142213266bb811Johannes Berg /* 1390f78231bffb868a30e8533aace142213266bb811Johannes Berg * mac80211.h documents that this is only valid 1400f78231bffb868a30e8533aace142213266bb811Johannes Berg * when the channel is set to an HT type, and 1410f78231bffb868a30e8533aace142213266bb811Johannes Berg * that otherwise STATIC is used. 1420f78231bffb868a30e8533aace142213266bb811Johannes Berg */ 1430f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC; 1440f78231bffb868a30e8533aace142213266bb811Johannes Berg } else if (local->hw.conf.smps_mode != local->smps_mode) { 1450f78231bffb868a30e8533aace142213266bb811Johannes Berg local->hw.conf.smps_mode = local->smps_mode; 1460f78231bffb868a30e8533aace142213266bb811Johannes Berg changed |= IEEE80211_CONF_CHANGE_SMPS; 1470f78231bffb868a30e8533aace142213266bb811Johannes Berg } 1480f78231bffb868a30e8533aace142213266bb811Johannes Berg 149cd6c524e9e0b5ad8ce52bc3b4a3a1e272e3a8410Dmitry TARNYAGIN if (test_bit(SCAN_SW_SCANNING, &local->scanning) || 1508a690674e0601efbe9a7b16a5826fc522645cca3Ben Greear test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) || 15104b7b2ff50fc77380c1e711f1d7223734547e41bJohannes Berg test_bit(SCAN_HW_SCANNING, &local->scanning) || 15204b7b2ff50fc77380c1e711f1d7223734547e41bJohannes Berg !local->ap_power_level) 153e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg power = chan->max_power; 1548318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg else 15504b7b2ff50fc77380c1e711f1d7223734547e41bJohannes Berg power = min(chan->max_power, local->ap_power_level); 156a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 15747afbaf5af9454a7a1a64591e20cbfcc27ca67a8Johannes Berg if (local->user_power_level >= 0) 158a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan power = min(power, local->user_power_level); 159a8302de934b5d1897ff146cd0c7ab87d1417c092Vasanthakumar Thiagarajan 160e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (local->hw.conf.power_level != power) { 161e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg changed |= IEEE80211_CONF_CHANGE_POWER; 162e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg local->hw.conf.power_level = power; 163e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg } 164b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg 16555de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg return changed; 16655de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg} 16755de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 16855de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Bergint ieee80211_hw_config(struct ieee80211_local *local, u32 changed) 16955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg{ 17055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg int ret = 0; 17155de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 17255de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg might_sleep(); 17355de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 17455de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (!local->use_chanctx) 17555de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg changed |= ieee80211_hw_conf_chan(local); 17655de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg else 17755de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg changed &= ~(IEEE80211_CONF_CHANGE_CHANNEL | 17855de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg IEEE80211_CONF_CHANGE_POWER); 17955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg 180e8975581f63870be42ff4662b293d1b0c8c21350Johannes Berg if (changed && local->open_count) { 1812448798133d747ad339e57099e32a1d1e68aca1cJohannes Berg ret = drv_config(local, changed); 182d73782fdde76554016abf73b46f843b29f520848Johannes Berg /* 183447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Goal: 184d73782fdde76554016abf73b46f843b29f520848Johannes Berg * HW reconfiguration should never fail, the driver has told 185d73782fdde76554016abf73b46f843b29f520848Johannes Berg * us what it can support so it should live up to that promise. 186447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 187447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * Current status: 188447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * rfkill is not integrated with mac80211 and a 189447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * configuration command can thus fail if hardware rfkill 190447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * is enabled 191447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 192447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * FIXME: integrate rfkill with mac80211 and then add this 193447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * WARN_ON() back 194447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre * 195d73782fdde76554016abf73b46f843b29f520848Johannes Berg */ 196447107fb32d75425c95a33f58e6b4b760b470092Reinette Chatre /* WARN_ON(ret); */ 197d73782fdde76554016abf73b46f843b29f520848Johannes Berg } 198f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 199b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg return ret; 200b2c258fb11b3fc77a73f8b0453ff1256de812bc6Johannes Berg} 201f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 202471b3efdfccc257591331724145f8ccf8b3217e1Johannes Bergvoid ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, 203471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg u32 changed) 204d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 205471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg struct ieee80211_local *local = sdata->local; 2069cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg static const u8 zero[ETH_ALEN] = { 0 }; 207471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 208471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg if (!changed) 209471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg return; 210471b3efdfccc257591331724145f8ccf8b3217e1Johannes Berg 2119cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg if (sdata->vif.type == NL80211_IFTYPE_STATION) { 21266e67e418908442389d3a9e6509985f01cbaf9b0Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.mgd.bssid; 2139cef873798dfcdc10ff40b02abf1de935ceeba85Johannes Berg } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) 2142d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = sdata->u.ibss.bssid; 2152d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (sdata->vif.type == NL80211_IFTYPE_AP) 21647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg sdata->vif.bss_conf.bssid = sdata->vif.addr; 2171be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan else if (sdata->vif.type == NL80211_IFTYPE_WDS) 2181be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan sdata->vif.bss_conf.bssid = NULL; 2192d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg else if (ieee80211_vif_is_mesh(&sdata->vif)) { 2202d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.bssid = zero; 221f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) { 222f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg sdata->vif.bss_conf.bssid = sdata->vif.addr; 223f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg WARN_ONCE(changed & ~(BSS_CHANGED_IDLE), 224f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg "P2P Device BSS changed %#x", changed); 2252d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2262d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2272d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2282d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2292d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2302d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2312d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2322d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2331be7fe8de9f25e173282f8f989f83bc5b5decfe9Bill Jordan case NL80211_IFTYPE_WDS: 2342d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 2352d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2362d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2372d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* do not warn to simplify caller in scan.c */ 2382d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg changed &= ~BSS_CHANGED_BEACON_ENABLED; 2392d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (WARN_ON(changed & BSS_CHANGED_BEACON)) 2402d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg return; 2412d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2422d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2432d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 2442d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (changed & BSS_CHANGED_BEACON_ENABLED) { 2459607e6b66a0d25ca63b70d54a4283fa13d8f7c9dJohannes Berg if (local->quiescing || !ieee80211_sdata_running(sdata) || 246b23b025fe246f3acc2988eb6d400df34c27cb8aeBen Greear test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state)) { 2472d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = false; 2482d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } else { 2492d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* 2502d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * Beacon should be enabled, but AP mode must 2512d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg * check whether there is a beacon configured. 2522d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg */ 2532d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg switch (sdata->vif.type) { 2542d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_AP: 2552d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2560379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ap.beacon; 2572d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2582d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_ADHOC: 2592d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg sdata->vif.bss_conf.enable_beacon = 2600379185b6c0d1e8252023698cf1091da92a3dc03Johannes Berg !!sdata->u.ibss.presp; 2612d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2627659a193f94c0003dd06e9e874d19bade1a8c952Javier Cardona#ifdef CONFIG_MAC80211_MESH 2632d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg case NL80211_IFTYPE_MESH_POINT: 26429cbe68c516a48a9a88b3226878570c6cbd83c02Johannes Berg sdata->vif.bss_conf.enable_beacon = 26529cbe68c516a48a9a88b3226878570c6cbd83c02Johannes Berg !!sdata->u.mesh.mesh_id_len; 2662d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2677659a193f94c0003dd06e9e874d19bade1a8c952Javier Cardona#endif 2682d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg default: 2692d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg /* not reached */ 2702d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg WARN_ON(1); 2712d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg break; 2722d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2732d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2742d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg } 2752d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 27612375ef933fa8271396ed0c1e318cb1bd2e2689dJohannes Berg drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed); 277d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 278d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 279f698d856f65c3fea091cc303a135967965c5b880Jasper Bryant-Greeneu32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata) 280d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake{ 281bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_cts_prot = false; 282bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_preamble = false; 283bda3933a8aceedd03e0dd410844bd310033ca756Johannes Berg sdata->vif.bss_conf.use_short_slot = false; 2847a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg return BSS_CHANGED_ERP_CTS_PROT | 2857a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_PREAMBLE | 2867a5158ef8da70fdedeb0530faaa8128aa645be3cJohannes Berg BSS_CHANGED_ERP_SLOT; 287d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake} 288d9430a32886f70c0c16d67c525f6cda2df7906eeDaniel Drake 289f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void ieee80211_tasklet_handler(unsigned long data) 290f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 291f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = (struct ieee80211_local *) data; 29237fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg struct sta_info *sta, *tmp; 29337fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg struct skb_eosp_msg_data *eosp_data; 294f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 295f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 296f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc while ((skb = skb_dequeue(&local->skb_queue)) || 297f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (skb = skb_dequeue(&local->skb_queue_unreliable))) { 298f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc switch (skb->pkt_type) { 299f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_RX_MSG: 30051fb61e76d952e6bc2fbdd9f0d38425fbab1cf31Johannes Berg /* Clear skb->pkt_type in order to not confuse kernel 301f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * netstack. */ 302f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 303005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_rx(&local->hw, skb); 304f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 305f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc case IEEE80211_TX_STATUS_MSG: 306f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb->pkt_type = 0; 307005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg ieee80211_tx_status(&local->hw, skb); 308f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 30937fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg case IEEE80211_EOSP_MSG: 31037fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg eosp_data = (void *)skb->cb; 31137fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg for_each_sta_info(local, eosp_data->sta, sta, tmp) { 31237fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg /* skip wrong virtual interface */ 31337fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg if (memcmp(eosp_data->iface, 31437fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg sta->sdata->vif.addr, ETH_ALEN)) 31537fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg continue; 31637fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg clear_sta_flag(sta, WLAN_STA_SP); 31737fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg break; 31837fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg } 31937fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg dev_kfree_skb(skb); 32037fbd9080088f5f98ab81a6f2ad456857971a089Johannes Berg break; 321f4ea83dd743d3e1bec8fdf954ac911c6b12ae87aJohannes Berg default: 3225e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger WARN(1, "mac80211: Packet is of unknown type %d\n", 3235e3f308997f53d00e8cbebdb89d4f6e347aa963aLarry Finger skb->pkt_type); 324f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc dev_kfree_skb(skb); 325f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc break; 326f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 327f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 328f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 329f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 330f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergstatic void ieee80211_restart_work(struct work_struct *work) 331f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 332f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = 333f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg container_of(work, struct ieee80211_local, restart_work); 334f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 335bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka /* wait for scan work complete */ 336bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka flush_workqueue(local->workqueue); 337bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 338bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_lock(&local->mtx); 33979f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) || 3405260a5b2c3524f198ea062fe0a6a4faa724e6a9dJohannes Berg rcu_dereference_protected(local->sched_scan_sdata, 3415260a5b2c3524f198ea062fe0a6a4faa724e6a9dJohannes Berg lockdep_is_held(&local->mtx)), 342bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka "%s called with hardware scan in progress\n", __func__); 343bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka mutex_unlock(&local->mtx); 344bc86863de63e6ae7ec6f9f524604631608c6cb02Stanislaw Gruszka 345f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_lock(); 3464136c4224ccf1907d309e1cdfaefef9da97dbc5eStanislaw Gruszka ieee80211_scan_cancel(local); 347f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_reconfig(local); 348f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg rtnl_unlock(); 349f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 350f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 351f2753ddbadb0873a98421415882318251bbd9eaaJohannes Bergvoid ieee80211_restart_hw(struct ieee80211_hw *hw) 352f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg{ 353f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg struct ieee80211_local *local = hw_to_local(hw); 354f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 355b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg trace_api_restart_hw(local); 356b5878a2dc5e7e7f031a52c3e15b571224cb6b540Johannes Berg 357b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch wiphy_info(hw->wiphy, 358b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch "Hardware restart was requested\n"); 359b196d031f2bb29c253050d554130e41c7e3cbfb0Michael Buesch 36018145c69349f2ab60c470798f83b3a2639e2a8d9John W. Linville /* use this reason, ieee80211_reconfig will unblock it */ 361f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg ieee80211_stop_queues_by_reason(hw, 362f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg IEEE80211_QUEUE_STOP_REASON_SUSPEND); 363f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 36404800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov /* 36504800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * Stop all Rx during the reconfig. We don't want state changes 36604800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov * or driver callbacks while this is in progress. 36704800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov */ 36804800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov local->in_reconfig = true; 36904800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov barrier(); 37004800ada2acc3a9ffc754c1d73576cef326f3311Arik Nemtsov 371f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg schedule_work(&local->restart_work); 372f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg} 373f2753ddbadb0873a98421415882318251bbd9eaaJohannes BergEXPORT_SYMBOL(ieee80211_restart_hw); 374f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 3750f78231bffb868a30e8533aace142213266bb811Johannes Bergstatic void ieee80211_recalc_smps_work(struct work_struct *work) 3760f78231bffb868a30e8533aace142213266bb811Johannes Berg{ 3770f78231bffb868a30e8533aace142213266bb811Johannes Berg struct ieee80211_local *local = 3780f78231bffb868a30e8533aace142213266bb811Johannes Berg container_of(work, struct ieee80211_local, recalc_smps); 3790f78231bffb868a30e8533aace142213266bb811Johannes Berg 380025e6be220e448c02045e8499c7db8ce4bc8eea2Johannes Berg ieee80211_recalc_smps(local); 3810f78231bffb868a30e8533aace142213266bb811Johannes Berg} 3820f78231bffb868a30e8533aace142213266bb811Johannes Berg 38326b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 3842b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinenstatic int ieee80211_ifa_changed(struct notifier_block *nb, 3852b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unsigned long data, void *arg) 3862b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen{ 3872b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct in_ifaddr *ifa = arg; 3882b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_local *local = 3892b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen container_of(nb, struct ieee80211_local, 3902b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifa_notifier); 3912b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct net_device *ndev = ifa->ifa_dev->dev; 3922b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct wireless_dev *wdev = ndev->ieee80211_ptr; 393685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct in_device *idev; 3942b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_sub_if_data *sdata; 395685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen struct ieee80211_bss_conf *bss_conf; 3962b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen struct ieee80211_if_managed *ifmgd; 397685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen int c = 0; 3982b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 3992b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* Make sure it's our interface that got changed */ 4002b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (!wdev) 4012b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 4022b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4032b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (wdev->wiphy != local->hw.wiphy) 4042b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 4052b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4062b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen sdata = IEEE80211_DEV_TO_SUB_IF(ndev); 407685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf = &sdata->vif.bss_conf; 4082b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4092b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen /* ARP filtering is only supported in managed mode */ 4102b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (sdata->vif.type != NL80211_IFTYPE_STATION) 4112b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 4122b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 41395ae6b228f814fc0528d0506ee9f18ac333d6851Eric Dumazet idev = __in_dev_get_rtnl(sdata->dev); 414685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (!idev) 415685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen return NOTIFY_DONE; 416685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 4172b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen ifmgd = &sdata->u.mgd; 4182b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_lock(&ifmgd->mtx); 419685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 420685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* Copy the addresses to the bss_conf list */ 421685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = idev->ifa_list; 422685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen while (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN && ifa) { 423685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_list[c] = ifa->ifa_address; 424685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ifa = ifa->ifa_next; 425685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c++; 426685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 427685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 428685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen /* If not all addresses fit the list, disable filtering */ 429685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifa) { 430685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = false; 431685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen c = 0; 432685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } else { 433685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen sdata->arp_filter_state = true; 434685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 435685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_addr_cnt = c; 436685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 43753d69c399abf3b382c1e737ff9402d31ca5a7a51Eliad Peller /* Configure driver only if associated (which also implies it is up) */ 438685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen if (ifmgd->associated) { 439685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen bss_conf->arp_filter_enabled = sdata->arp_filter_state; 440685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen ieee80211_bss_info_change_notify(sdata, 441685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen BSS_CHANGED_ARP_FILTER); 442685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen } 443685429623f88d84f98bd5daffc3c427c408740d4Juuso Oikarinen 4442b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen mutex_unlock(&ifmgd->mtx); 4452b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4462b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen return NOTIFY_DONE; 4472b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen} 44826b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 4492b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 4504e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillestatic int ieee80211_napi_poll(struct napi_struct *napi, int budget) 4514e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4524e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = 4534e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville container_of(napi, struct ieee80211_local, napi); 4544e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4554e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville return local->ops->napi_poll(&local->hw, budget); 4564e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4574e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4584e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_schedule(struct ieee80211_hw *hw) 4594e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4604e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4614e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4624e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_schedule(&local->napi); 4634e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4644e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_schedule); 4654e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4664e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linvillevoid ieee80211_napi_complete(struct ieee80211_hw *hw) 4674e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville{ 4684e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville struct ieee80211_local *local = hw_to_local(hw); 4694e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4704e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville napi_complete(&local->napi); 4714e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville} 4724e6cbfd09c66893e5134c9896e9af353c2322b66John W. LinvilleEXPORT_SYMBOL(ieee80211_napi_complete); 4734e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 4742e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg/* There isn't a lot of sense in it, but you can transmit anything you like */ 4752e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergstatic const struct ieee80211_txrx_stypes 4762e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Bergieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { 4772e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_ADHOC] = { 4782e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4793bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4803bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins BIT(IEEE80211_STYPE_AUTH >> 4) | 4813bfda62c50b0a4b118dcfce36686508ca2892292Will Hawkins BIT(IEEE80211_STYPE_DEAUTH >> 4), 4822e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4832e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_STATION] = { 4842e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4852e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 4862e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 4872e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4882e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP] = { 4892e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 4902e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 4912e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 4922e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 4932e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 4942e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 4952e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 4962e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 4972e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 4982e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg [NL80211_IFTYPE_AP_VLAN] = { 4992e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg /* copy AP */ 5002e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .tx = 0xffff, 5012e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 5022e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 5032e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 5042e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 5052e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 5062e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 5072ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 5082ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 5092ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_CLIENT] = { 5102ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 5112ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 5122ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 5132ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg }, 5142ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg [NL80211_IFTYPE_P2P_GO] = { 5152ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .tx = 0xffff, 5162ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | 5172ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | 5182ca27bcff7127da1aa7dd39cd2a6f7cb187e327fJohannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | 5192e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DISASSOC >> 4) | 5202e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_AUTH >> 4) | 5212e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_DEAUTH >> 4) | 5222e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg BIT(IEEE80211_STYPE_ACTION >> 4), 5232e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg }, 524c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona [NL80211_IFTYPE_MESH_POINT] = { 525c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona .tx = 0xffff, 52671839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 52771839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_AUTH >> 4) | 52871839121a0f35f9968d2e204a76eb22683156fd8Javier Cardona BIT(IEEE80211_STYPE_DEAUTH >> 4), 529c7108a7111cd9e592d6ad498be37276dbea75d2bJavier Cardona }, 530f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg [NL80211_IFTYPE_P2P_DEVICE] = { 531f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg .tx = 0xffff, 532f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 533f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 534f142c6b906da451ded2c7a8e17b2a0e6fee3e891Johannes Berg }, 5352e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg}; 5362e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 537ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greearstatic const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = { 538ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .ampdu_params_info = IEEE80211_HT_AMPDU_PARM_FACTOR | 539ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_AMPDU_PARM_DENSITY, 540ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 541ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 542ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_MAX_AMSDU | 543ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear IEEE80211_HT_CAP_SGI_40), 544ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .mcs = { 545ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear .rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff, 546ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 0xff, 0xff, 0xff, 0xff, 0xff, }, 547ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear }, 548ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear}; 549ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear 550f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstruct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, 551f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc const struct ieee80211_ops *ops) 552f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 553f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local; 55496f5e66e8a79810e2982cdcfa28e554f3d97da21Johannes Berg int priv_size, i; 555f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct wiphy *wiphy; 556fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg bool use_chanctx; 557f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 558c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config || 559c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->add_interface || !ops->remove_interface || 560c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg !ops->configure_filter)) 561c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg return NULL; 562c0af07340aae5db9f976bfe71e2e9bcab3169409Johannes Berg 563f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove))) 564f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg return NULL; 565f09603a259ffef69ad4516a04eb06cd65ac522feJohannes Berg 566e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg /* check all or no channel context operations exist */ 567e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg i = !!ops->add_chanctx + !!ops->remove_chanctx + 568e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->change_chanctx + !!ops->assign_vif_chanctx + 569e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg !!ops->unassign_vif_chanctx; 570e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg if (WARN_ON(i != 0 && i != 5)) 571e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg return NULL; 572fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg use_chanctx = i == 5; 573e269d8600a8f6a9f2387b3f283bfb579a5479dc3Johannes Berg 574f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc /* Ensure 32-byte alignment of our private data and hw private data. 575f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * We use the wiphy priv data for both our ieee80211_local and for 576f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * the driver's private data 577f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 578f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * In memory it'll be like this: 579f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 580f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 581f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct wiphy | 582f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 583f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | struct ieee80211_local | 584f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 585f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * | driver's private data | 586f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * +-------------------------+ 587f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc * 588f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc */ 5891ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len; 590f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 591f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy = wiphy_new(&mac80211_config_ops, priv_size); 592f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 593f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (!wiphy) 594f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return NULL; 595f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 5962e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg wiphy->mgmt_stypes = ieee80211_default_mgmt_stypes; 5972e161f78e5f63a7f9fd25a766bb7f816a01eb14aJohannes Berg 598207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->privid = mac80211_wiphy_privid; 599207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 6009bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg wiphy->flags |= WIPHY_FLAG_NETNS_OK | 6019bc383de37090ba7ca3ff32a12c9d809dc5867f0Johannes Berg WIPHY_FLAG_4ADDR_AP | 602ee971924543fe82f279d3e97f6f6d02320b381b7Johannes Berg WIPHY_FLAG_4ADDR_STATION | 6037c4ef7122cef54dc49562eea35cbfaf0f44faa0bJohannes Berg WIPHY_FLAG_REPORTS_OBSS | 60481ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg WIPHY_FLAG_OFFCHAN_TX; 60581ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg 60681ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg if (ops->remain_on_channel) 60781ddbb5c1188dfaa98c67832a751117fcacda75dJohannes Berg wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; 608207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg 60913c40c54682ffe62977f670681268a26d500d6faAlexander Simon wiphy->features = NL80211_FEATURE_SK_TX_STATUS | 61013c40c54682ffe62977f670681268a26d500d6faAlexander Simon NL80211_FEATURE_HT_IBSS; 611a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 612207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg if (!ops->set_key) 613207aba6018a7b1757b5248ced2b280d20790c498Johannes Berg wiphy->flags |= WIPHY_FLAG_IBSS_RSN; 61418a8365992a8041aa178ae9ad5f0d951d0457230Johannes Berg 6150c1ad2cac1cb54db38fd4cc1822965071ee83f6eJohannes Berg wiphy->bss_priv_size = sizeof(struct ieee80211_bss); 616f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 617f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local = wiphy_priv(wiphy); 618de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 619f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->hw.wiphy = wiphy; 620f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 6211ce8e7b57b3a4527ef83da1c5c7bd8a6b9d87b56Eric Dumazet local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN); 622f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 623f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc local->ops = ops; 624fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg local->use_chanctx = use_chanctx; 625f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 626e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg /* set up some defaults */ 627e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.queues = 1; 628e6a9854b05c1a6af1308fe2b8c68f35abf28a3eeJohannes Berg local->hw.max_rates = 1; 62978be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa local->hw.max_report_rates = 0; 630df6ba5d80d6c9b51471d5fa046c3c06988e5f62aLuciano Coelho local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 63139e68712d75700ec09770c7ad9e8e4abc65db7c6Helmut Schaa local->hw.max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; 6323a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue = IEEE80211_INVAL_HW_QUEUE; 633b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 634b9a5f8cab751d362f7c2d94899ca788c22fcd1efJouni Malinen local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 635ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg local->hw.radiotap_mcs_details = IEEE80211_RADIOTAP_MCS_HAVE_MCS | 636ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_GI | 637ac55d2fe0576d272c4a98ed9dfb87b1cca29486eJohannes Berg IEEE80211_RADIOTAP_MCS_HAVE_BW; 638c428c89201a57a0ce24c37ed79e540d1f4101cf3Johannes Berg local->user_power_level = -1; 639ef96a84202ccfb48a4569256ffba45e32308f7eeBen Greear wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask; 640f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 64179010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg INIT_LIST_HEAD(&local->interfaces); 6422f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 6432f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 __hw_addr_init(&local->mc_list); 6442f787b0b76bf5de2eaa3ca3a29d89123ae03c856YOSHIFUJI Hideaki / 吉藤英明 645c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_init(&local->iflist_mtx); 646a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_init(&local->mtx); 647f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 648ad0e2b5a00dbec303e4682b403bb6703d11dcdb2Johannes Berg mutex_init(&local->key_mtx); 6493b8d81e020f77c9da8b85b0685c8cd2ca7c7b150Johannes Berg spin_lock_init(&local->filter_lock); 650ce7c9111a97492d04c504f40736a669c235d664aKalle Valo spin_lock_init(&local->queue_stop_reason_lock); 651ce7c9111a97492d04c504f40736a669c235d664aKalle Valo 652d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior INIT_LIST_HEAD(&local->chanctx_list); 653d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior mutex_init(&local->chanctx_mtx); 654d01a1e658606a0a69100f49c2ef09aacaf74d3e7Michal Kazior 655681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg /* 656681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * The rx_skb_queue is only accessed from tasklets, 657681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * but other SKB queues are used from within IRQ 658681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * context. Therefore, this one needs a different 659681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * locking class so our direct, non-irq-safe use of 660681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg * the queue's lock doesn't throw lockdep warnings. 661681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg */ 662681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg skb_queue_head_init_class(&local->rx_skb_queue, 663681c4d07dd5b2ce2ad9f6dbbf7841e479fbc7754Johannes Berg &ieee80211_rx_skb_queue_class); 66424a8fdad35835e8d71f7c4b978a246fafed2e7b4Christian Lamparter 665c2b13452b283f9c4a5b02a6b53ed6416ebf4c03cJohannes Berg INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); 666f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 667f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg INIT_WORK(&local->restart_work, ieee80211_restart_work); 668f2753ddbadb0873a98421415882318251bbd9eaaJohannes Berg 6693ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); 6700f78231bffb868a30e8533aace142213266bb811Johannes Berg INIT_WORK(&local->recalc_smps, ieee80211_recalc_smps_work); 6710f78231bffb868a30e8533aace142213266bb811Johannes Berg local->smps_mode = IEEE80211_SMPS_OFF; 6723ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 673520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_enable_work, 674520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_enable_work); 675520eb82076993b7f55ef9b80771d264272e5127bKalle Valo INIT_WORK(&local->dynamic_ps_disable_work, 676520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_disable_work); 677520eb82076993b7f55ef9b80771d264272e5127bKalle Valo setup_timer(&local->dynamic_ps_timer, 678520eb82076993b7f55ef9b80771d264272e5127bKalle Valo ieee80211_dynamic_ps_timer, (unsigned long) local); 679520eb82076993b7f55ef9b80771d264272e5127bKalle Valo 68085a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho INIT_WORK(&local->sched_scan_stopped_work, 68185a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho ieee80211_sched_scan_stopped_work); 68285a9994a0a6cba1a6cc6af4bd3ebd85f778be0feLuciano Coelho 683a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg spin_lock_init(&local->ack_status_lock); 684a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_init(&local->ack_status_frames); 685a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg /* preallocate at least one entry */ 686a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_pre_get(&local->ack_status_frames, GFP_KERNEL); 687a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 688f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_init(local); 689f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 690a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { 6912a577d98712a284a612dd51d69db5cb989810dc2Johannes Berg skb_queue_head_init(&local->pending[i]); 692a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg atomic_set(&local->agg_queue_stop[i], 0); 693a6a67db2bc89d2b1ff07e0817f11235c20d2c329Johannes Berg } 694f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending, 695f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long)local); 696f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 697f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_init(&local->tasklet, 698f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_tasklet_handler, 699f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc (unsigned long) local); 700f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 701f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue); 702f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_head_init(&local->skb_queue_unreliable); 703f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 7044e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville /* init dummy netdev for use w/ NAPI */ 7054e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville init_dummy_netdev(&local->napi_dev); 7064e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 707fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg ieee80211_led_names(local); 708fe67c913f1ec2a01aaa9176c80ef36eaf87d705dJohannes Berg 7092eb278e083549f4eb29838037004054b3b55df62Johannes Berg ieee80211_roc_setup(local); 71021f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg 711005e472b45131250fe09c194f8b872b86fd266c1Johannes Berg return &local->hw; 712f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 713f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_alloc_hw); 714f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 715f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencint ieee80211_register_hw(struct ieee80211_hw *hw) 716f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 717f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 7187527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg int result, i; 7198318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg enum ieee80211_band band; 720be4a4b6a5d2f76393f545a2545fbaa1b65577e13Johannes Berg int channels, max_bitrates; 721ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela bool supp_ht, supp_vht; 72272d7872852e1734e94686012a2e9deade3457329Arik Nemtsov netdev_features_t feature_whitelist; 72325e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg static const u32 cipher_suites[] = { 7245daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg /* keep WEP first, it may be removed below */ 72525e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP40, 72625e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_WEP104, 72725e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_TKIP, 72825e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_CCMP, 72925e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 73025e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg /* keep last -- depends on hw flags! */ 73125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg WLAN_CIPHER_SUITE_AES_CMAC 73225e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg }; 7338318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 7343a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg if (hw->flags & IEEE80211_HW_QUEUE_CONTROL && 7353a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg (local->hw.offchannel_tx_hw_queue == IEEE80211_INVAL_HW_QUEUE || 7363a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg local->hw.offchannel_tx_hw_queue >= local->hw.queues)) 7373a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg return -EINVAL; 7383a25a8c8b75b430c4f4022918e26fa51d557ecdeJohannes Berg 73938bb3e9da62f6ebf1c6940d5482f0d6f431dac1cLarry Finger#ifdef CONFIG_PM 740dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg if ((hw->wiphy->wowlan.flags || hw->wiphy->wowlan.n_patterns) && 741dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg (!local->ops->suspend || !local->ops->resume)) 742eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg return -EINVAL; 743dfb89c56add259b72a9c68d6b2846c1cd8c4e4b6Johannes Berg#endif 744eecc48000afe2ca6da22122d553b7cad294e42fcJohannes Berg 745885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller if ((hw->flags & IEEE80211_HW_SCAN_WHILE_IDLE) && !local->ops->hw_scan) 746885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller return -EINVAL; 747885bd8eca6ac172e299750d99bd5c9fddbed89b9Eliad Peller 748fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (!local->use_chanctx) { 749fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) { 750fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg const struct ieee80211_iface_combination *comb; 751fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 752fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg comb = &local->hw.wiphy->iface_combinations[i]; 753fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 754fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (comb->num_different_channels > 1) 755fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg return -EINVAL; 756fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg } 757fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 758fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg /* 759fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * WDS is currently prohibited when channel contexts are used 760fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * because there's no clear definition of which channel WDS 761fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg * type interfaces use 762fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg */ 763fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_WDS)) 764fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg return -EINVAL; 765fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg } 766fe57d9f5c0a2c1ef97ba8cdc42cfda5743f287b8Johannes Berg 76772d7872852e1734e94686012a2e9deade3457329Arik Nemtsov /* Only HW csum features are currently compatible with mac80211 */ 76872d7872852e1734e94686012a2e9deade3457329Arik Nemtsov feature_whitelist = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | 76972d7872852e1734e94686012a2e9deade3457329Arik Nemtsov NETIF_F_HW_CSUM; 77072d7872852e1734e94686012a2e9deade3457329Arik Nemtsov if (WARN_ON(hw->netdev_features & ~feature_whitelist)) 77172d7872852e1734e94686012a2e9deade3457329Arik Nemtsov return -EINVAL; 77272d7872852e1734e94686012a2e9deade3457329Arik Nemtsov 77378be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa if (hw->max_report_rates == 0) 77478be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa hw->max_report_rates = hw->max_rates; 77578be49ec2a0df34de9441930fdced20311fd709fHelmut Schaa 7768318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* 7778318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * generic code guarantees at least one band, 7788318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * set this very early because much code assumes 7798318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg * that hw.conf.channel is assigned 7808318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg */ 7812a5193119269062608582418deba7af82844159aJohannes Berg channels = 0; 782de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = 0; 7835ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = false; 784ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = false; 7858318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 7868318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg struct ieee80211_supported_band *sband; 7878318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg 7888318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg sband = local->hw.wiphy->bands[band]; 789de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!sband) 790de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg continue; 79155de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (!local->use_chanctx && !local->_oper_channel) { 7928318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg /* init channel we're on */ 7938318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg local->hw.conf.channel = 79455de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg local->_oper_channel = &sband->channels[0]; 79558905ca5b11a0ff3860f55b789cbbf052f7158a7Johannes Berg local->hw.conf.channel_type = NL80211_CHAN_NO_HT; 7968318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 79755de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg if (!local->monitor_channel) { 79855de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg local->monitor_channel = &sband->channels[0]; 79955de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg local->monitor_channel_type = NL80211_CHAN_NO_HT; 80055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg } 801de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg channels += sband->n_channels; 802de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 803de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (max_bitrates < sband->n_bitrates) 804de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg max_bitrates = sband->n_bitrates; 8055ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg supp_ht = supp_ht || sband->ht_cap.ht_supported; 806ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela supp_vht = supp_vht || sband->vht_cap.vht_supported; 8078318d78a44d49ac1edf2bdec7299de3617c4232eJohannes Berg } 808f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 8095ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) + 8105ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg sizeof(void *) * channels, GFP_KERNEL); 8115ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg if (!local->int_scan_req) 8122a5193119269062608582418deba7af82844159aJohannes Berg return -ENOMEM; 8132a5193119269062608582418deba7af82844159aJohannes Berg 814c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 815c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich if (!local->hw.wiphy->bands[band]) 816c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich continue; 817c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich local->int_scan_req->rates[band] = (u32) -1; 818c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich } 819c72e8d335e2c6a309b6281f2abcf491f37b8b92bSimon Wunderlich 820f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* if low-level driver supports AP, we also support VLAN */ 8217527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { 8227527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN); 8237527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_AP_VLAN); 8247527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg } 825f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez 826f59ac0481660e66cec67f1d6b024e78b9dc715feLuis R. Rodriguez /* mac80211 always supports monitor */ 8277527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR); 8287527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR); 8297527a782e187d1214a5b3dc2897ce441033bb4efJohannes Berg 83055de908ab292c03f1eb280f51170ddb9c6b57e31Johannes Berg /* mac80211 doesn't support more than one IBSS interface right now */ 8318e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (i = 0; i < hw->wiphy->n_iface_combinations; i++) { 8328e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg const struct ieee80211_iface_combination *c; 8338e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg int j; 8348e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8358e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c = &hw->wiphy->iface_combinations[i]; 8368e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8378e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg for (j = 0; j < c->n_limits; j++) 8388e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg if ((c->limits[j].types & BIT(NL80211_IFTYPE_ADHOC)) && 8398e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg c->limits[j].max > 1) 8408e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg return -EINVAL; 8418e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg } 8428e621fc90b42fa2ca4ff65dd8d9cb21723e47837Johannes Berg 8435eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#ifndef CONFIG_MAC80211_MESH 8445eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg /* mesh depends on Kconfig, but drivers should set it if they want */ 8455eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT); 8465eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg#endif 8475eb5a52da6ef04604cf8faca43ec670f69f417d3Johannes Berg 8481570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona /* if the underlying driver supports mesh, mac80211 will (at least) 8491570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona * provide routing of mesh authentication frames to userspace */ 8501570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT)) 8511570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona local->hw.wiphy->flags |= WIPHY_FLAG_MESH_AUTH; 8521570ca59279a74db73b8ff840abdfaf64a9ee2ffJavier Cardona 853a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg /* mac80211 supports control port protocol changing */ 854a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL; 855a621fa4d6a7fdf9d34938d2e129a72624833eeebJohannes Berg 85677965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) 85777965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 85877965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) 85977965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; 86077965c970d7da9c9b6349ff2b1d9adecf54c403bJohannes Berg 861ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) 862ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo && (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK), 863ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo "U-APSD not supported with HW_PS_NULLFUNC_STACK\n"); 864ab13315af97919fae0e014748105fdc2e30afb2dKalle Valo 865de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 866de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * Calculate scan IE length -- we need this to alloc 867de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * memory and to subtract from the driver limit. It 868dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen * includes the DS Params, (extended) supported rates, and HT 869de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * information -- SSID is the driver's responsibility. 870de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 871dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen local->scan_ies_len = 4 + max_bitrates /* (ext) supp rates */ + 872dc9f48ce7c7d345be31208def51572a8250a4a03Jouni Malinen 3 /* DS Params */; 8735ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg if (supp_ht) 8745ef2d41afb7fce2315d12a8aaebe0c9f1b50755bJohannes Berg local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap); 875de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 876ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela if (supp_vht) 877ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela local->scan_ies_len += 878ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela 2 + sizeof(struct ieee80211_vht_capabilities); 879ba0afa2f22e1e3f332e45460f99328025d44564eMahesh Palivela 880de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (!local->ops->hw_scan) { 881de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* For hw_scan, driver needs to set these up. */ 882de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ssids = 4; 883de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 884de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg } 885de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 886de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg /* 887de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * If the driver supports any scan IEs, then assume the 888de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * limit includes the IEs mac80211 will add, otherwise 889de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * leave it at zero and let the driver sort it out; we 890de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * still pass our IEs to the driver but userspace will 891de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg * not be allowed to in that case. 892de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg */ 893de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg if (local->hw.wiphy->max_scan_ie_len) 894de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; 895de95a54b1aebe5592cae971ca5e5d9ec6a381a17Johannes Berg 8963ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Set up cipher suites unless driver already did */ 8973ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!local->hw.wiphy->cipher_suites) { 8983ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = cipher_suites; 8993ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); 9003ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) 9013ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites--; 9023ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 9035daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) { 9043ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->hw.wiphy->cipher_suites == cipher_suites) { 9053ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites += 2; 9063ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites -= 2; 9073ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } else { 9083ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 *suites; 9093ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg int r, w = 0; 9103ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 9113ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg /* Filter out WEP */ 9123ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 9133ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites = kmemdup( 9143ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites, 9153ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg sizeof(u32) * local->hw.wiphy->n_cipher_suites, 9163ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg GFP_KERNEL); 9173ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (!suites) 9183ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg return -ENOMEM; 9193ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) { 9203ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg u32 suite = local->hw.wiphy->cipher_suites[r]; 9213ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (suite == WLAN_CIPHER_SUITE_WEP40 || 9223ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suite == WLAN_CIPHER_SUITE_WEP104) 9233ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg continue; 9243ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg suites[w++] = suite; 9253ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 9263ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->cipher_suites = suites; 9273ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->hw.wiphy->n_cipher_suites = w; 9283ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg local->wiphy_ciphers_allocated = true; 9293ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg } 9305daa8a8e691e28c6c725e7e91319b160b555c615Johannes Berg } 93125e47c18ac4d8ad09c2ed4b99c1dbbcb7e3d2c51Johannes Berg 93221f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg if (!local->ops->remain_on_channel) 93321f83589644bb2ed98079bf1e2154c8e70ca6a6cJohannes Berg local->hw.wiphy->max_remain_on_channel_duration = 5000; 934a293911d4fd5e8593dbf478399a77f990d466269Johannes Berg 93579f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho if (local->ops->sched_scan_start) 93679f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho local->hw.wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; 93779f460ca49d8d5700756ab7071c951311c7f29ccLuciano Coelho 938dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov /* mac80211 based drivers don't support internal TDLS setup */ 939dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov if (local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) 940dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov local->hw.wiphy->flags |= WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 941dfe018bf99537e42c816d3f543620a7e09fcf3cdArik Nemtsov 942f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = wiphy_register(local->hw.wiphy); 943f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) 9442a5193119269062608582418deba7af82844159aJohannes Berg goto fail_wiphy_register; 945f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 946e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg /* 947e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * We use the number of queues for feature tests (QoS, HT) internally 948e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg * so restrict them appropriately. 949e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg */ 950e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg if (hw->queues > IEEE80211_MAX_QUEUES) 951e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg hw->queues = IEEE80211_MAX_QUEUES; 952e2530083609148a7835b54c431f6b8956407c1f6Johannes Berg 95342935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez local->workqueue = 95499b88a0ecbdbc6df03527292571b2b442965814aTejun Heo alloc_ordered_workqueue(wiphy_name(local->hw.wiphy), 0); 95542935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez if (!local->workqueue) { 956f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc result = -ENOMEM; 957f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_workqueue; 958f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 959f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 960b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg /* 961b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * The hardware needs headroom for sending the frame, 962b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * and we need some headroom for passing the frame to monitor 963b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg * interfaces, but never both at the same time. 964b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg */ 96533ccad35a21df51c0d23f3e3e88688524e7b51edJiri Benc local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom, 966a2fe81667410723d941a688e1958a49d67ca3346Helmut Schaa IEEE80211_TX_STATUS_HEADROOM); 967b306f45300866adc01b84f7aa083bfcd9cbb89c4Johannes Berg 968e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc debugfs_hw_add(local); 969e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 970b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa /* 971b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * if the driver doesn't specify a max listen interval we 972b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa * use 5 which should be a safe default 973b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa */ 974ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler if (local->hw.max_listen_interval == 0) 975b446918b77c717a34eaa853dfab55f579d330551Helmut Schaa local->hw.max_listen_interval = 5; 976ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 977ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler local->hw.conf.listen_interval = local->hw.max_listen_interval; 978ea95bba41e69c616bb1512cf59d22f33266b8568Tomas Winkler 979ff61638105db6f5832ef8700436ba6aa6d3a2fdaJuuso Oikarinen local->dynamic_ps_forced_timeout = -1; 980195e294d21e88af879da4f88db2ceeb4ec28a755Juuso Oikarinen 981d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins result = ieee80211_wep_init(local); 9823473187d2459a078e00e5fac8aafc30af69c57faJohn W. Linville if (result < 0) 9830fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", 9840fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches result); 985d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins 986b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan ieee80211_led_init(local); 987b57e6b560fc2a2742910ac5ca0eb2c46e45aeac2Mohammed Shafi Shajakhan 988f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 989f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 990830f903866a1611e9ce53f3e35202302bb938946Johannes Berg result = ieee80211_init_rate_ctrl_alg(local, 991830f903866a1611e9ce53f3e35202302bb938946Johannes Berg hw->rate_control_algorithm); 992f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc if (result < 0) { 9930fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_debug(local->hw.wiphy, 9940fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to initialize rate control algorithm\n"); 995f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc goto fail_rate; 996f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc } 997f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 9988dffff216fcac4f79078478085e86d68db64922eJohannes Berg /* add one default STA interface if supported */ 9998dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) { 10008dffff216fcac4f79078478085e86d68db64922eJohannes Berg result = ieee80211_if_add(local, "wlan%d", NULL, 10018dffff216fcac4f79078478085e86d68db64922eJohannes Berg NL80211_IFTYPE_STATION, NULL); 10028dffff216fcac4f79078478085e86d68db64922eJohannes Berg if (result) 10030fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, 10040fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches "Failed to add default virtual iface\n"); 10058dffff216fcac4f79078478085e86d68db64922eJohannes Berg } 1006f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1007f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1008f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 100910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg local->network_latency_notifier.notifier_call = 101010f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_max_network_latency; 101110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY, 101210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 101310f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg if (result) { 101410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg rtnl_lock(); 101510f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg goto fail_pm_qos; 101610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg } 101710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 101826b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 10192b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen local->ifa_notifier.notifier_call = ieee80211_ifa_changed; 10202b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen result = register_inetaddr_notifier(&local->ifa_notifier); 10212b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen if (result) 10222b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen goto fail_ifa; 102326b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 10242b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen 10254e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll, 10264e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville local->hw.napi_weight); 10274e6cbfd09c66893e5134c9896e9af353c2322b66John W. Linville 1028f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 1029f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 103093c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#ifdef CONFIG_INET 10312b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen fail_ifa: 10322b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 10332b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen &local->network_latency_notifier); 10342b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen rtnl_lock(); 103593c08c32914264f539baf7f04cce310a0dd30a7aJuuso Oikarinen#endif 103610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_pm_qos: 103710f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_led_exit(local); 103810f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg ieee80211_remove_interfaces(local); 103910f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_rate: 1040f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1041d4c4a9a1bce1912ed5681251f0037fd4f2364a3eAlan Jenkins ieee80211_wep_free(local); 1042f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc sta_info_stop(local); 104342935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 104410f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_workqueue: 1045f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 104610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg fail_wiphy_register: 10473ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 10483ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 104911ba964d4f936609a04e8b9f2051f6027ef761aeJohannes Berg kfree(local->int_scan_req); 1050f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return result; 1051f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1052f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_register_hw); 1053f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1054f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_unregister_hw(struct ieee80211_hw *hw) 1055f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1056f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1057f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1058f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tx_pending_tasklet); 1059f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc tasklet_kill(&local->tasklet); 1060f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 106110f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, 106210f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg &local->network_latency_notifier); 106326b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#ifdef CONFIG_INET 10642b2c009ecf71f4c66ff8420b63dddbc9737e04e3Juuso Oikarinen unregister_inetaddr_notifier(&local->ifa_notifier); 106526b36cfefaf2be98b225e3c1a399edb0daf52dddJohn W. Linville#endif 106610f644a47b76d3e61b98f2d02ce9690b94c51ee5Johannes Berg 1067f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_lock(); 1068f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 106979010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg /* 107079010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * At this point, interface list manipulations are fine 107179010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * because the driver cannot be handing us frames any 107279010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg * more and the tasklet is killed. 107379010420cc3f78eab911598bfdd29c4b06a83e1fJohannes Berg */ 107475636525fbfa78fa33fd754c89785cfde750acd3Johannes Berg ieee80211_remove_interfaces(local); 10755b2812e925c8e976852867f8d760637c5926d817Johannes Berg 1076f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rtnl_unlock(); 1077f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1078258086a48b766d12a500f98834654ffa927ca475Christian Lamparter cancel_work_sync(&local->restart_work); 10793ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg cancel_work_sync(&local->reconfig_filter); 10803ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg 1081f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_clear_tx_pending(local); 1082f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc rate_control_deinitialize(local); 1083f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1084f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches if (skb_queue_len(&local->skb_queue) || 1085f64f9e719261a87818dd192a3a2352e5b20fbd0fJoe Perches skb_queue_len(&local->skb_queue_unreliable)) 10860fb9a9ec27718fbf7fa3153bc94becefb716ceebJoe Perches wiphy_warn(local->hw.wiphy, "skb_queue not empty\n"); 1087f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue); 1088f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc skb_queue_purge(&local->skb_queue_unreliable); 108924a8fdad35835e8d71f7c4b978a246fafed2e7b4Christian Lamparter skb_queue_purge(&local->rx_skb_queue); 1090f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 109142935ecaf4e784d0815afa9a7e5fe7e141157ca3Luis R. Rodriguez destroy_workqueue(local->workqueue); 1092f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_unregister(local->hw.wiphy); 1093ecb4433550f0620f3d1471ae7099037ede30a91eStanislaw Gruszka sta_info_stop(local); 1094f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_wep_free(local); 1095f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc ieee80211_led_exit(local); 10965ba63533bbf653631faab60f6988506160ec6ba4Johannes Berg kfree(local->int_scan_req); 1097f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1098f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_unregister_hw); 1099f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1100a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Bergstatic int ieee80211_free_ack_frame(int id, void *p, void *data) 1101a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg{ 1102a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg WARN_ONCE(1, "Have pending ack frames!\n"); 1103a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg kfree_skb(p); 1104a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg return 0; 1105a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg} 1106a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1107f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencvoid ieee80211_free_hw(struct ieee80211_hw *hw) 1108f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1109f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct ieee80211_local *local = hw_to_local(hw); 1110f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1111c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg mutex_destroy(&local->iflist_mtx); 1112a1699b75a1db31a1da2f0fc610ee696d02a19280Johannes Berg mutex_destroy(&local->mtx); 1113c771c9d8da1e8292ef8bf7fd4ce135dacc650130Johannes Berg 11143ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg if (local->wiphy_ciphers_allocated) 11153ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg kfree(local->hw.wiphy->cipher_suites); 11163ffc2a905b1faae4c0fe39d66f0752c3a4cbb3c7Johannes Berg 1117a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_for_each(&local->ack_status_frames, 1118a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg ieee80211_free_ack_frame, NULL); 1119a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg idr_destroy(&local->ack_status_frames); 1120a729cff8ad5120d0d5172ec28a3843d1cb458f79Johannes Berg 1121f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc wiphy_free(local->hw.wiphy); 1122f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1123f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencEXPORT_SYMBOL(ieee80211_free_hw); 1124f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1125f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic int __init ieee80211_init(void) 1126f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 1127f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc struct sk_buff *skb; 1128f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc int ret; 1129f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1130e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb)); 1131e039fa4a4195ac4ee895e6f3d1334beed63256feJohannes Berg BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) + 1132c6a1fa12d206882757264869f8e32d606b930e2aJohannes Berg IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb)); 1133f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1134cccf129f820e431d84690729254a32f1709328fbFelix Fietkau ret = rc80211_minstrel_init(); 1135cccf129f820e431d84690729254a32f1709328fbFelix Fietkau if (ret) 1136cccf129f820e431d84690729254a32f1709328fbFelix Fietkau return ret; 1137cccf129f820e431d84690729254a32f1709328fbFelix Fietkau 1138ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau ret = rc80211_minstrel_ht_init(); 1139ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau if (ret) 1140ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau goto err_minstrel; 1141ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau 11424b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg ret = rc80211_pid_init(); 1143ad01837593338f13508463fa11c8dbf8109a1e5dMattias Nissler if (ret) 114447846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_pid; 1145f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 114647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ret = ieee80211_iface_init(); 114747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg if (ret) 114847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg goto err_netdev; 1149e9f207f0ff90bf60b825800d7450e6f2ff2eab88Jiri Benc 1150f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc return 0; 115147846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_netdev: 115247846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_pid_exit(); 115347846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg err_pid: 1154ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1155ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau err_minstrel: 115647846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg rc80211_minstrel_exit(); 115747846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg 115847846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg return ret; 1159f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1160f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1161f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencstatic void __exit ieee80211_exit(void) 1162f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc{ 11634b475898ec9dc6e62cebcb8fc0b3495c986a4590Johannes Berg rc80211_pid_exit(); 1164ec8aa669b8393b6789b1954d587c63264af7ff99Felix Fietkau rc80211_minstrel_ht_exit(); 1165cccf129f820e431d84690729254a32f1709328fbFelix Fietkau rc80211_minstrel_exit(); 1166ac71c691e6a5ce991fe221d3bdb0c972f617aa37Johannes Berg 1167f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo if (mesh_allocated) 1168f7a921443740d7dafc65b17aa32531730d358f50Luis Carlos Cobo ieee80211s_stop(); 1169902acc7896d7649fb30e4b22bd4e643c7f34b02cJohannes Berg 117047846c9b0c10808d9337d2e7d09361f3e0a0a71aJohannes Berg ieee80211_iface_exit(); 1171d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg 1172d07c7cf49ae7c488e778c4d668f4cc10bd2fa971Johannes Berg rcu_barrier(); 1173f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc} 1174f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1175f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1176ca9938fea576ebbb8d8c4fbe8a5bcc937e49e1caJohannes Bergsubsys_initcall(ieee80211_init); 1177f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Bencmodule_exit(ieee80211_exit); 1178f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri Benc 1179f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_DESCRIPTION("IEEE 802.11 subsystem"); 1180f0706e828e96d0fa4e80c0d25aa98523f6d589a0Jiri BencMODULE_LICENSE("GPL"); 1181