diff options
Diffstat (limited to 'net/mac80211/cfg.c')
-rw-r--r-- | net/mac80211/cfg.c | 516 |
1 files changed, 326 insertions, 190 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 05f3a313db88..516fbc96feff 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -164,7 +164,17 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, sta = sta_info_get(sdata, mac_addr); else sta = sta_info_get_bss(sdata, mac_addr); - if (!sta) { + /* + * The ASSOC test makes sure the driver is ready to + * receive the key. When wpa_supplicant has roamed + * using FT, it attempts to set the key before + * association has completed, this rejects that attempt + * so it will set the key again after assocation. + * + * TODO: accept the key if we have a station entry and + * add it to the device after the station. + */ + if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { ieee80211_key_free(sdata->local, key); err = -ENOENT; goto out_unlock; @@ -370,29 +380,64 @@ static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, return 0; } -static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) -{ - if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { - struct ieee80211_supported_band *sband; - sband = sta->local->hw.wiphy->bands[ - sta->local->oper_channel->band]; - rate->legacy = sband->bitrates[idx].bitrate; - } else - rate->mcs = idx; -} - void sta_set_rate_info_tx(struct sta_info *sta, const struct ieee80211_tx_rate *rate, struct rate_info *rinfo) { rinfo->flags = 0; - if (rate->flags & IEEE80211_TX_RC_MCS) + if (rate->flags & IEEE80211_TX_RC_MCS) { rinfo->flags |= RATE_INFO_FLAGS_MCS; + rinfo->mcs = rate->idx; + } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { + rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; + rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); + rinfo->nss = ieee80211_rate_get_vht_nss(rate); + } else { + struct ieee80211_supported_band *sband; + sband = sta->local->hw.wiphy->bands[ + ieee80211_get_sdata_band(sta->sdata)]; + rinfo->legacy = sband->bitrates[rate->idx].bitrate; + } if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; + if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) + rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; + if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) + rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; if (rate->flags & IEEE80211_TX_RC_SHORT_GI) rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; - rate_idx_to_bitrate(rinfo, sta, rate->idx); +} + +void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) +{ + rinfo->flags = 0; + + if (sta->last_rx_rate_flag & RX_FLAG_HT) { + rinfo->flags |= RATE_INFO_FLAGS_MCS; + rinfo->mcs = sta->last_rx_rate_idx; + } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) { + rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; + rinfo->nss = sta->last_rx_rate_vht_nss; + rinfo->mcs = sta->last_rx_rate_idx; + } else { + struct ieee80211_supported_band *sband; + + sband = sta->local->hw.wiphy->bands[ + ieee80211_get_sdata_band(sta->sdata)]; + rinfo->legacy = + sband->bitrates[sta->last_rx_rate_idx].bitrate; + } + + if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) + rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; + if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) + rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; + if (sta->last_rx_rate_flag & RX_FLAG_80MHZ) + rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH; + if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ) + rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH; + if (sta->last_rx_rate_flag & RX_FLAG_160MHZ) + rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH; } static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) @@ -441,15 +486,7 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) } sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); - - sinfo->rxrate.flags = 0; - if (sta->last_rx_rate_flag & RX_FLAG_HT) - sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; - if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) - sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; - if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) - sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; - rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); + sta_set_rate_info_rx(sta, &sinfo->rxrate); if (ieee80211_vif_is_mesh(&sdata->vif)) { #ifdef CONFIG_MAC80211_MESH @@ -532,6 +569,8 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy, u64 *data) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_chanctx_conf *chanctx_conf; + struct ieee80211_channel *channel; struct sta_info *sta; struct ieee80211_local *local = sdata->local; struct station_info sinfo; @@ -607,19 +646,26 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy, do_survey: i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; /* Get survey stats for current channel */ - q = 0; - while (true) { - survey.filled = 0; - if (drv_get_survey(local, q, &survey) != 0) { - survey.filled = 0; - break; - } + survey.filled = 0; - if (survey.channel && - (local->oper_channel->center_freq == - survey.channel->center_freq)) - break; - q++; + rcu_read_lock(); + chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); + if (chanctx_conf) + channel = chanctx_conf->def.chan; + else + channel = NULL; + rcu_read_unlock(); + + if (channel) { + q = 0; + do { + survey.filled = 0; + if (drv_get_survey(local, q, &survey) != 0) { + survey.filled = 0; + break; + } + q++; + } while (channel != survey.channel); } if (survey.filled) @@ -724,47 +770,37 @@ static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, return ret; } -static int ieee80211_set_channel(struct wiphy *wiphy, - struct net_device *netdev, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type) +static int ieee80211_set_monitor_channel(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef) { struct ieee80211_local *local = wiphy_priv(wiphy); - struct ieee80211_sub_if_data *sdata = NULL; - - if (netdev) - sdata = IEEE80211_DEV_TO_SUB_IF(netdev); - - switch (ieee80211_get_channel_mode(local, NULL)) { - case CHAN_MODE_HOPPING: - return -EBUSY; - case CHAN_MODE_FIXED: - if (local->oper_channel != chan || - (!sdata && local->_oper_channel_type != channel_type)) - return -EBUSY; - if (!sdata && local->_oper_channel_type == channel_type) - return 0; - break; - case CHAN_MODE_UNDEFINED: - break; - } - - if (!ieee80211_set_channel_type(local, sdata, channel_type)) - return -EBUSY; + struct ieee80211_sub_if_data *sdata; + int ret = 0; - local->oper_channel = chan; + if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) + return 0; - /* auto-detects changes */ - ieee80211_hw_config(local, 0); + mutex_lock(&local->iflist_mtx); + if (local->use_chanctx) { + sdata = rcu_dereference_protected( + local->monitor_sdata, + lockdep_is_held(&local->iflist_mtx)); + if (sdata) { + ieee80211_vif_release_channel(sdata); + ret = ieee80211_vif_use_channel(sdata, chandef, + IEEE80211_CHANCTX_EXCLUSIVE); + } + } else if (local->open_count == local->monitors) { + local->_oper_channel = chandef->chan; + local->_oper_channel_type = cfg80211_get_chandef_type(chandef); + ieee80211_hw_config(local, 0); + } - return 0; -} + if (ret == 0) + local->monitor_chandef = *chandef; + mutex_unlock(&local->iflist_mtx); -static int ieee80211_set_monitor_channel(struct wiphy *wiphy, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type) -{ - return ieee80211_set_channel(wiphy, NULL, chan, channel_type); + return ret; } static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, @@ -872,15 +908,20 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, u32 changed = BSS_CHANGED_BEACON_INT | BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON | - BSS_CHANGED_SSID; + BSS_CHANGED_SSID | + BSS_CHANGED_P2P_PS; int err; old = rtnl_dereference(sdata->u.ap.beacon); if (old) return -EALREADY; - err = ieee80211_set_channel(wiphy, dev, params->channel, - params->channel_type); + /* TODO: make hostapd tell us what it wants */ + sdata->smps_mode = IEEE80211_SMPS_OFF; + sdata->needed_rx_chains = sdata->local->rx_chains; + + err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, + IEEE80211_CHANCTX_SHARED); if (err) return err; @@ -907,11 +948,23 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, sdata->vif.bss_conf.hidden_ssid = (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); + sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow; + sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps; + err = ieee80211_assign_beacon(sdata, ¶ms->beacon); if (err < 0) return err; changed |= err; + err = drv_start_ap(sdata->local, sdata); + if (err) { + old = rtnl_dereference(sdata->u.ap.beacon); + if (old) + kfree_rcu(old, rcu_head); + RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); + return err; + } + ieee80211_bss_info_change_notify(sdata, changed); netif_carrier_on(dev); @@ -943,26 +996,42 @@ static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) { - struct ieee80211_sub_if_data *sdata, *vlan; - struct beacon_data *old; - - sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_sub_if_data *vlan; + struct ieee80211_local *local = sdata->local; + struct beacon_data *old_beacon; + struct probe_resp *old_probe_resp; - old = rtnl_dereference(sdata->u.ap.beacon); - if (!old) + old_beacon = rtnl_dereference(sdata->u.ap.beacon); + if (!old_beacon) return -ENOENT; + old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp); + /* turn off carrier for this interface and dependent VLANs */ list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) netif_carrier_off(vlan->dev); netif_carrier_off(dev); + /* remove beacon and probe response */ RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); + RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); + kfree_rcu(old_beacon, rcu_head); + if (old_probe_resp) + kfree_rcu(old_probe_resp, rcu_head); - kfree_rcu(old, rcu_head); - - sta_info_flush(sdata->local, sdata); + list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) + sta_info_flush(local, vlan); + sta_info_flush(local, sdata); ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); + drv_stop_ap(sdata->local, sdata); + + /* free all potentially still buffered bcast frames */ + local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); + skb_queue_purge(&sdata->u.ap.ps.bc_buf); + + ieee80211_vif_release_channel(sdata); + return 0; } @@ -1019,9 +1088,10 @@ static int sta_apply_parameters(struct ieee80211_local *local, int i, j; struct ieee80211_supported_band *sband; struct ieee80211_sub_if_data *sdata = sta->sdata; + enum ieee80211_band band = ieee80211_get_sdata_band(sdata); u32 mask, set; - sband = local->hw.wiphy->bands[local->oper_channel->band]; + sband = local->hw.wiphy->bands[band]; mask = params->sta_flags_mask; set = params->sta_flags_set; @@ -1136,7 +1206,7 @@ static int sta_apply_parameters(struct ieee80211_local *local, rates |= BIT(j); } } - sta->sta.supp_rates[local->oper_channel->band] = rates; + sta->sta.supp_rates[band] = rates; } if (params->ht_capa) @@ -1144,6 +1214,11 @@ static int sta_apply_parameters(struct ieee80211_local *local, params->ht_capa, &sta->sta.ht_cap); + if (params->vht_capa) + ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, + params->vht_capa, + &sta->sta.vht_cap); + if (ieee80211_vif_is_mesh(&sdata->vif)) { #ifdef CONFIG_MAC80211_MESH if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) @@ -1664,8 +1739,12 @@ static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, if (err) return err; - err = ieee80211_set_channel(wiphy, dev, setup->channel, - setup->channel_type); + /* can mesh use other SMPS modes? */ + sdata->smps_mode = IEEE80211_SMPS_OFF; + sdata->needed_rx_chains = sdata->local->rx_chains; + + err = ieee80211_vif_use_channel(sdata, &setup->chandef, + IEEE80211_CHANCTX_SHARED); if (err) return err; @@ -1679,6 +1758,7 @@ static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); ieee80211_stop_mesh(sdata); + ieee80211_vif_release_channel(sdata); return 0; } @@ -1688,10 +1768,14 @@ static int ieee80211_change_bss(struct wiphy *wiphy, struct net_device *dev, struct bss_parameters *params) { - struct ieee80211_sub_if_data *sdata; + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + enum ieee80211_band band; u32 changed = 0; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (!rtnl_dereference(sdata->u.ap.beacon)) + return -ENOENT; + + band = ieee80211_get_sdata_band(sdata); if (params->use_cts_prot >= 0) { sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; @@ -1704,7 +1788,7 @@ static int ieee80211_change_bss(struct wiphy *wiphy, } if (!sdata->vif.bss_conf.use_short_slot && - sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ) { + band == IEEE80211_BAND_5GHZ) { sdata->vif.bss_conf.use_short_slot = true; changed |= BSS_CHANGED_ERP_SLOT; } @@ -1718,9 +1802,7 @@ static int ieee80211_change_bss(struct wiphy *wiphy, if (params->basic_rates) { int i, j; u32 rates = 0; - struct ieee80211_local *local = wiphy_priv(wiphy); - struct ieee80211_supported_band *sband = - wiphy->bands[local->oper_channel->band]; + struct ieee80211_supported_band *sband = wiphy->bands[band]; for (i = 0; i < params->basic_rates_len; i++) { int rate = (params->basic_rates[i] & 0x7f) * 5; @@ -1746,6 +1828,16 @@ static int ieee80211_change_bss(struct wiphy *wiphy, changed |= BSS_CHANGED_HT; } + if (params->p2p_ctwindow >= 0) { + sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow; + changed |= BSS_CHANGED_P2P_PS; + } + + if (params->p2p_opp_ps >= 0) { + sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps; + changed |= BSS_CHANGED_P2P_PS; + } + ieee80211_bss_info_change_notify(sdata, changed); return 0; @@ -1829,7 +1921,16 @@ static int ieee80211_scan(struct wiphy *wiphy, * beaconing hasn't been configured yet */ case NL80211_IFTYPE_AP: - if (sdata->u.ap.beacon) + /* + * If the scan has been forced (and the driver supports + * forcing), don't care about being beaconing already. + * This will create problems to the attached stations (e.g. all + * the frames sent while scanning on other channel will be + * lost) + */ + if (sdata->u.ap.beacon && + (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || + !(req->flags & NL80211_SCAN_FLAG_AP))) return -EOPNOTSUPP; break; default: @@ -1872,20 +1973,6 @@ static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_assoc_request *req) { - struct ieee80211_local *local = wiphy_priv(wiphy); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - switch (ieee80211_get_channel_mode(local, sdata)) { - case CHAN_MODE_HOPPING: - return -EBUSY; - case CHAN_MODE_FIXED: - if (local->oper_channel == req->bss->channel) - break; - return -EBUSY; - case CHAN_MODE_UNDEFINED: - break; - } - return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); } @@ -1904,30 +1991,22 @@ static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params) { - struct ieee80211_local *local = wiphy_priv(wiphy); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - - switch (ieee80211_get_channel_mode(local, sdata)) { - case CHAN_MODE_HOPPING: - return -EBUSY; - case CHAN_MODE_FIXED: - if (!params->channel_fixed) - return -EBUSY; - if (local->oper_channel == params->channel) - break; - return -EBUSY; - case CHAN_MODE_UNDEFINED: - break; - } - - return ieee80211_ibss_join(sdata, params); + return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); } static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) { + return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); +} + +static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, + int rate[IEEE80211_NUM_BANDS]) +{ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - return ieee80211_ibss_leave(sdata); + memcpy(sdata->vif.bss_conf.mcast_rate, rate, sizeof(rate)); + + return 0; } static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) @@ -1956,10 +2035,16 @@ static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) return err; } - if (changed & WIPHY_PARAM_RETRY_SHORT) + if (changed & WIPHY_PARAM_RETRY_SHORT) { + if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) + return -EINVAL; local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; - if (changed & WIPHY_PARAM_RETRY_LONG) + } + if (changed & WIPHY_PARAM_RETRY_LONG) { + if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) + return -EINVAL; local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; + } if (changed & (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); @@ -1968,41 +2053,65 @@ static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) } static int ieee80211_set_tx_power(struct wiphy *wiphy, + struct wireless_dev *wdev, enum nl80211_tx_power_setting type, int mbm) { struct ieee80211_local *local = wiphy_priv(wiphy); - struct ieee80211_channel *chan = local->oper_channel; - u32 changes = 0; + struct ieee80211_sub_if_data *sdata; + + if (wdev) { + sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); + + switch (type) { + case NL80211_TX_POWER_AUTOMATIC: + sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; + break; + case NL80211_TX_POWER_LIMITED: + case NL80211_TX_POWER_FIXED: + if (mbm < 0 || (mbm % 100)) + return -EOPNOTSUPP; + sdata->user_power_level = MBM_TO_DBM(mbm); + break; + } + + ieee80211_recalc_txpower(sdata); + + return 0; + } switch (type) { case NL80211_TX_POWER_AUTOMATIC: - local->user_power_level = -1; + local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; break; case NL80211_TX_POWER_LIMITED: - if (mbm < 0 || (mbm % 100)) - return -EOPNOTSUPP; - local->user_power_level = MBM_TO_DBM(mbm); - break; case NL80211_TX_POWER_FIXED: if (mbm < 0 || (mbm % 100)) return -EOPNOTSUPP; - /* TODO: move to cfg80211 when it knows the channel */ - if (MBM_TO_DBM(mbm) > chan->max_power) - return -EINVAL; local->user_power_level = MBM_TO_DBM(mbm); break; } - ieee80211_hw_config(local, changes); + mutex_lock(&local->iflist_mtx); + list_for_each_entry(sdata, &local->interfaces, list) + sdata->user_power_level = local->user_power_level; + list_for_each_entry(sdata, &local->interfaces, list) + ieee80211_recalc_txpower(sdata); + mutex_unlock(&local->iflist_mtx); return 0; } -static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) +static int ieee80211_get_tx_power(struct wiphy *wiphy, + struct wireless_dev *wdev, + int *dbm) { struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); - *dbm = local->hw.conf.power_level; + if (!local->use_chanctx) + *dbm = local->hw.conf.power_level; + else + *dbm = sdata->vif.bss_conf.txpower; return 0; } @@ -2067,13 +2176,12 @@ int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, /* * If not associated, or current association is not an HT - * association, there's no need to send an action frame. + * association, there's no need to do anything, just store + * the new value until we associate. */ if (!sdata->u.mgd.associated || - sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { - ieee80211_recalc_smps(sdata->local); + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) return 0; - } ap = sdata->u.mgd.associated->bssid; @@ -2179,7 +2287,6 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, static int ieee80211_start_roc_work(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_channel *channel, - enum nl80211_channel_type channel_type, unsigned int duration, u64 *cookie, struct sk_buff *txskb) { @@ -2189,12 +2296,14 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, lockdep_assert_held(&local->mtx); + if (local->use_chanctx && !local->ops->remain_on_channel) + return -EOPNOTSUPP; + roc = kzalloc(sizeof(*roc), GFP_KERNEL); if (!roc) return -ENOMEM; roc->chan = channel; - roc->chan_type = channel_type; roc->duration = duration; roc->req_duration = duration; roc->frame = txskb; @@ -2227,7 +2336,7 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, if (!duration) duration = 10; - ret = drv_remain_on_channel(local, channel, channel_type, duration); + ret = drv_remain_on_channel(local, sdata, channel, duration); if (ret) { kfree(roc); return ret; @@ -2238,7 +2347,7 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, out_check_combine: list_for_each_entry(tmp, &local->roc_list, list) { - if (tmp->chan != channel || tmp->chan_type != channel_type) + if (tmp->chan != channel || tmp->sdata != sdata) continue; /* @@ -2332,13 +2441,22 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, list_add_tail(&roc->list, &local->roc_list); /* - * cookie is either the roc (for normal roc) + * cookie is either the roc cookie (for normal roc) * or the SKB (for mgmt TX) */ - if (txskb) + if (!txskb) { + /* local->mtx protects this */ + local->roc_cookie_counter++; + roc->cookie = local->roc_cookie_counter; + /* wow, you wrapped 64 bits ... more likely a bug */ + if (WARN_ON(roc->cookie == 0)) { + roc->cookie = 1; + local->roc_cookie_counter++; + } + *cookie = roc->cookie; + } else { *cookie = (unsigned long)txskb; - else - *cookie = (unsigned long)roc; + } return 0; } @@ -2346,7 +2464,6 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, static int ieee80211_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, unsigned int duration, u64 *cookie) { @@ -2355,7 +2472,7 @@ static int ieee80211_remain_on_channel(struct wiphy *wiphy, int ret; mutex_lock(&local->mtx); - ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, + ret = ieee80211_start_roc_work(local, sdata, chan, duration, cookie, NULL); mutex_unlock(&local->mtx); @@ -2373,7 +2490,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local, struct ieee80211_roc_work *dep, *tmp2; list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { - if (!mgmt_tx && (unsigned long)dep != cookie) + if (!mgmt_tx && dep->cookie != cookie) continue; else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) continue; @@ -2385,7 +2502,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local, return 0; } - if (!mgmt_tx && (unsigned long)roc != cookie) + if (!mgmt_tx && roc->cookie != cookie) continue; else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) continue; @@ -2448,10 +2565,8 @@ static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, bool offchan, - enum nl80211_channel_type channel_type, - bool channel_type_valid, unsigned int wait, - const u8 *buf, size_t len, bool no_cck, - bool dont_wait_for_ack, u64 *cookie) + unsigned int wait, const u8 *buf, size_t len, + bool no_cck, bool dont_wait_for_ack, u64 *cookie) { struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); struct ieee80211_local *local = sdata->local; @@ -2515,10 +2630,16 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, /* Check if the operating channel is the requested channel */ if (!need_offchan) { - need_offchan = chan != local->oper_channel; - if (channel_type_valid && - channel_type != local->_oper_channel_type) + struct ieee80211_chanctx_conf *chanctx_conf; + + rcu_read_lock(); + chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); + + if (chanctx_conf) + need_offchan = chan != chanctx_conf->def.chan; + else need_offchan = true; + rcu_read_unlock(); } if (need_offchan && !offchan) { @@ -2552,7 +2673,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, local->hw.offchannel_tx_hw_queue; /* This will handle all kinds of coalescing and immediate TX */ - ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, + ret = ieee80211_start_roc_work(local, sdata, chan, wait, cookie, skb); if (ret) kfree_skb(skb); @@ -2594,6 +2715,9 @@ static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, else local->probe_req_reg--; + if (!local->open_count) + break; + ieee80211_queue_work(&local->hw, &local->reconfig_filter); break; default: @@ -2667,7 +2791,7 @@ static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) u16 capab; capab = 0; - if (local->oper_channel->band != IEEE80211_BAND_2GHZ) + if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ) return capab; if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) @@ -2699,7 +2823,7 @@ ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, u16 status_code, struct sk_buff *skb) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_local *local = sdata->local; + enum ieee80211_band band = ieee80211_get_sdata_band(sdata); struct ieee80211_tdls_data *tf; tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); @@ -2719,10 +2843,8 @@ ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, tf->u.setup_req.capability = cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); - ieee80211_add_srates_ie(sdata, skb, false, - local->oper_channel->band); - ieee80211_add_ext_srates_ie(sdata, skb, false, - local->oper_channel->band); + ieee80211_add_srates_ie(sdata, skb, false, band); + ieee80211_add_ext_srates_ie(sdata, skb, false, band); ieee80211_tdls_add_ext_capab(skb); break; case WLAN_TDLS_SETUP_RESPONSE: @@ -2735,10 +2857,8 @@ ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, tf->u.setup_resp.capability = cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); - ieee80211_add_srates_ie(sdata, skb, false, - local->oper_channel->band); - ieee80211_add_ext_srates_ie(sdata, skb, false, - local->oper_channel->band); + ieee80211_add_srates_ie(sdata, skb, false, band); + ieee80211_add_ext_srates_ie(sdata, skb, false, band); ieee80211_tdls_add_ext_capab(skb); break; case WLAN_TDLS_SETUP_CONFIRM: @@ -2776,7 +2896,7 @@ ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, u16 status_code, struct sk_buff *skb) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_local *local = sdata->local; + enum ieee80211_band band = ieee80211_get_sdata_band(sdata); struct ieee80211_mgmt *mgmt; mgmt = (void *)skb_put(skb, 24); @@ -2799,10 +2919,8 @@ ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, mgmt->u.action.u.tdls_discover_resp.capability = cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); - ieee80211_add_srates_ie(sdata, skb, false, - local->oper_channel->band); - ieee80211_add_ext_srates_ie(sdata, skb, false, - local->oper_channel->band); + ieee80211_add_srates_ie(sdata, skb, false, band); + ieee80211_add_ext_srates_ie(sdata, skb, false, band); ieee80211_tdls_add_ext_capab(skb); break; default: @@ -2819,7 +2937,6 @@ static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; - struct ieee80211_tx_info *info; struct sk_buff *skb = NULL; bool send_direct; int ret; @@ -2845,7 +2962,6 @@ static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, if (!skb) return -ENOMEM; - info = IEEE80211_SKB_CB(skb); skb_reserve(skb, local->hw.extra_tx_headroom); switch (action_code) { @@ -2982,12 +3098,19 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, bool qos; struct ieee80211_tx_info *info; struct sta_info *sta; + struct ieee80211_chanctx_conf *chanctx_conf; + enum ieee80211_band band; rcu_read_lock(); + chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); + if (WARN_ON(!chanctx_conf)) { + rcu_read_unlock(); + return -EINVAL; + } + band = chanctx_conf->def.chan->band; sta = sta_info_get(sdata, peer); if (sta) { qos = test_sta_flag(sta, WLAN_STA_WME); - rcu_read_unlock(); } else { rcu_read_unlock(); return -ENOLINK; @@ -3005,8 +3128,10 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, } skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); - if (!skb) + if (!skb) { + rcu_read_unlock(); return -ENOMEM; + } skb->dev = dev; @@ -3031,21 +3156,31 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, nullfunc->qos_ctrl = cpu_to_le16(7); local_bh_disable(); - ieee80211_xmit(sdata, skb); + ieee80211_xmit(sdata, skb, band); local_bh_enable(); + rcu_read_unlock(); *cookie = (unsigned long) skb; return 0; } -static struct ieee80211_channel * -ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, - enum nl80211_channel_type *type) +static int ieee80211_cfg_get_channel(struct wiphy *wiphy, + struct wireless_dev *wdev, + struct cfg80211_chan_def *chandef) { - struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); + struct ieee80211_chanctx_conf *chanctx_conf; + int ret = -ENODATA; + + rcu_read_lock(); + chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); + if (chanctx_conf) { + *chandef = chanctx_conf->def; + ret = 0; + } + rcu_read_unlock(); - *type = local->_oper_channel_type; - return local->oper_channel; + return ret; } #ifdef CONFIG_PM @@ -3100,6 +3235,7 @@ struct cfg80211_ops mac80211_config_ops = { .disassoc = ieee80211_disassoc, .join_ibss = ieee80211_join_ibss, .leave_ibss = ieee80211_leave_ibss, + .set_mcast_rate = ieee80211_set_mcast_rate, .set_wiphy_params = ieee80211_set_wiphy_params, .set_tx_power = ieee80211_set_tx_power, .get_tx_power = ieee80211_get_tx_power, |