diff options
Diffstat (limited to 'net/wireless')
-rw-r--r-- | net/wireless/chan.c | 65 | ||||
-rw-r--r-- | net/wireless/core.h | 1 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 7 | ||||
-rw-r--r-- | net/wireless/reg.c | 4 | ||||
-rw-r--r-- | net/wireless/sme.c | 4 | ||||
-rw-r--r-- | net/wireless/sysfs.c | 14 | ||||
-rw-r--r-- | net/wireless/util.c | 5 |
7 files changed, 61 insertions, 39 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 7aaf741..915b328 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -698,19 +698,20 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, EXPORT_SYMBOL(cfg80211_chandef_usable); /* - * For GO only, check if the channel can be used under permissive conditions - * mandated by the some regulatory bodies, i.e., the channel is marked with - * IEEE80211_CHAN_GO_CONCURRENT and there is an additional station interface + * Check if the channel can be used under permissive conditions mandated by + * some regulatory bodies, i.e., the channel is marked with + * IEEE80211_CHAN_IR_CONCURRENT and there is an additional station interface * associated to an AP on the same channel or on the same UNII band * (assuming that the AP is an authorized master). - * In addition allow the GO to operate on a channel on which indoor operation is + * In addition allow operation on a channel on which indoor operation is * allowed, iff we are currently operating in an indoor environment. */ -static bool cfg80211_go_permissive_chan(struct cfg80211_registered_device *rdev, +static bool cfg80211_ir_permissive_chan(struct wiphy *wiphy, + enum nl80211_iftype iftype, struct ieee80211_channel *chan) { - struct wireless_dev *wdev_iter; - struct wiphy *wiphy = wiphy_idx_to_wiphy(rdev->wiphy_idx); + struct wireless_dev *wdev; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); ASSERT_RTNL(); @@ -718,32 +719,48 @@ static bool cfg80211_go_permissive_chan(struct cfg80211_registered_device *rdev, !(wiphy->regulatory_flags & REGULATORY_ENABLE_RELAX_NO_IR)) return false; + /* only valid for GO and TDLS off-channel (station/p2p-CL) */ + if (iftype != NL80211_IFTYPE_P2P_GO && + iftype != NL80211_IFTYPE_STATION && + iftype != NL80211_IFTYPE_P2P_CLIENT) + return false; + if (regulatory_indoor_allowed() && (chan->flags & IEEE80211_CHAN_INDOOR_ONLY)) return true; - if (!(chan->flags & IEEE80211_CHAN_GO_CONCURRENT)) + if (!(chan->flags & IEEE80211_CHAN_IR_CONCURRENT)) return false; /* * Generally, it is possible to rely on another device/driver to allow - * the GO concurrent relaxation, however, since the device can further + * the IR concurrent relaxation, however, since the device can further * enforce the relaxation (by doing a similar verifications as this), * and thus fail the GO instantiation, consider only the interfaces of * the current registered device. */ - list_for_each_entry(wdev_iter, &rdev->wdev_list, list) { + list_for_each_entry(wdev, &rdev->wdev_list, list) { struct ieee80211_channel *other_chan = NULL; int r1, r2; - if (wdev_iter->iftype != NL80211_IFTYPE_STATION || - !netif_running(wdev_iter->netdev)) - continue; - - wdev_lock(wdev_iter); - if (wdev_iter->current_bss) - other_chan = wdev_iter->current_bss->pub.channel; - wdev_unlock(wdev_iter); + wdev_lock(wdev); + if (wdev->iftype == NL80211_IFTYPE_STATION && + wdev->current_bss) + other_chan = wdev->current_bss->pub.channel; + + /* + * If a GO already operates on the same GO_CONCURRENT channel, + * this one (maybe the same one) can beacon as well. We allow + * the operation even if the station we relied on with + * GO_CONCURRENT is disconnected now. But then we must make sure + * we're not outdoor on an indoor-only channel. + */ + if (iftype == NL80211_IFTYPE_P2P_GO && + wdev->iftype == NL80211_IFTYPE_P2P_GO && + wdev->beacon_interval && + !(chan->flags & IEEE80211_CHAN_INDOOR_ONLY)) + other_chan = wdev->chandef.chan; + wdev_unlock(wdev); if (!other_chan) continue; @@ -784,7 +801,6 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy, struct cfg80211_chan_def *chandef, enum nl80211_iftype iftype) { - struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); bool res; u32 prohibited_flags = IEEE80211_CHAN_DISABLED | IEEE80211_CHAN_RADAR; @@ -792,13 +808,12 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy, trace_cfg80211_reg_can_beacon(wiphy, chandef, iftype); /* - * Under certain conditions suggested by the some regulatory bodies - * a GO can operate on channels marked with IEEE80211_NO_IR - * so set this flag only if such relaxations are not enabled and - * the conditions are not met. + * Under certain conditions suggested by some regulatory bodies a + * GO/STA can IR on channels marked with IEEE80211_NO_IR. Set this flag + * only if such relaxations are not enabled and the conditions are not + * met. */ - if (iftype != NL80211_IFTYPE_P2P_GO || - !cfg80211_go_permissive_chan(rdev, chandef->chan)) + if (!cfg80211_ir_permissive_chan(wiphy, iftype, chandef->chan)) prohibited_flags |= IEEE80211_CHAN_NO_IR; if (cfg80211_chandef_dfs_required(wiphy, chandef, iftype) > 0 && diff --git a/net/wireless/core.h b/net/wireless/core.h index 801cd49..311eef2 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -222,6 +222,7 @@ struct cfg80211_event { const u8 *ie; size_t ie_len; u16 reason; + bool locally_generated; } dc; struct { u8 bssid[ETH_ALEN]; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index dd78445..c264eff 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -639,8 +639,8 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) goto nla_put_failure; - if ((chan->flags & IEEE80211_CHAN_GO_CONCURRENT) && - nla_put_flag(msg, NL80211_FREQUENCY_ATTR_GO_CONCURRENT)) + if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT)) goto nla_put_failure; if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) @@ -4061,7 +4061,8 @@ int cfg80211_check_station_change(struct wiphy *wiphy, return -EINVAL; break; case CFG80211_STA_MESH_PEER_USER: - if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) + if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION && + params->plink_action != NL80211_PLINK_ACTION_BLOCK) return -EINVAL; break; } diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 0e347f8..d359e06 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -989,8 +989,8 @@ static u32 map_regdom_flags(u32 rd_flags) channel_flags |= IEEE80211_CHAN_NO_OFDM; if (rd_flags & NL80211_RRF_NO_OUTDOOR) channel_flags |= IEEE80211_CHAN_INDOOR_ONLY; - if (rd_flags & NL80211_RRF_GO_CONCURRENT) - channel_flags |= IEEE80211_CHAN_GO_CONCURRENT; + if (rd_flags & NL80211_RRF_IR_CONCURRENT) + channel_flags |= IEEE80211_CHAN_IR_CONCURRENT; if (rd_flags & NL80211_RRF_NO_HT40MINUS) channel_flags |= IEEE80211_CHAN_NO_HT40MINUS; if (rd_flags & NL80211_RRF_NO_HT40PLUS) diff --git a/net/wireless/sme.c b/net/wireless/sme.c index d11454f..8020b5b 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -938,7 +938,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, } void cfg80211_disconnected(struct net_device *dev, u16 reason, - const u8 *ie, size_t ie_len, gfp_t gfp) + const u8 *ie, size_t ie_len, + bool locally_generated, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); @@ -954,6 +955,7 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason, ev->dc.ie_len = ie_len; memcpy((void *)ev->dc.ie, ie, ie_len); ev->dc.reason = reason; + ev->dc.locally_generated = locally_generated; spin_lock_irqsave(&wdev->event_lock, flags); list_add_tail(&ev->list, &wdev->event_list); diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c index 9ee6bc1..9cee022 100644 --- a/net/wireless/sysfs.c +++ b/net/wireless/sysfs.c @@ -86,7 +86,7 @@ static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static void cfg80211_leave_all(struct cfg80211_registered_device *rdev) { struct wireless_dev *wdev; @@ -95,7 +95,7 @@ static void cfg80211_leave_all(struct cfg80211_registered_device *rdev) cfg80211_leave(rdev, wdev); } -static int wiphy_suspend(struct device *dev, pm_message_t state) +static int wiphy_suspend(struct device *dev) { struct cfg80211_registered_device *rdev = dev_to_rdev(dev); int ret = 0; @@ -136,6 +136,11 @@ static int wiphy_resume(struct device *dev) return ret; } + +static SIMPLE_DEV_PM_OPS(wiphy_pm_ops, wiphy_suspend, wiphy_resume); +#define WIPHY_PM_OPS (&wiphy_pm_ops) +#else +#define WIPHY_PM_OPS NULL #endif static const void *wiphy_namespace(struct device *d) @@ -151,10 +156,7 @@ struct class ieee80211_class = { .dev_release = wiphy_dev_release, .dev_groups = ieee80211_groups, .dev_uevent = wiphy_uevent, -#ifdef CONFIG_PM - .suspend = wiphy_suspend, - .resume = wiphy_resume, -#endif + .pm = WIPHY_PM_OPS, .ns_type = &net_ns_type_operations, .namespace = wiphy_namespace, }; diff --git a/net/wireless/util.c b/net/wireless/util.c index 70051ab..baf7218 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -887,7 +887,8 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev) case EVENT_DISCONNECTED: __cfg80211_disconnected(wdev->netdev, ev->dc.ie, ev->dc.ie_len, - ev->dc.reason, true); + ev->dc.reason, + !ev->dc.locally_generated); break; case EVENT_IBSS_JOINED: __cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid, @@ -944,7 +945,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, ntype == NL80211_IFTYPE_P2P_CLIENT)) return -EBUSY; - if (ntype != otype && netif_running(dev)) { + if (ntype != otype) { dev->ieee80211_ptr->use_4addr = false; dev->ieee80211_ptr->mesh_id_up_len = 0; wdev_lock(dev->ieee80211_ptr); |