diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/Kconfig | 37 | ||||
| -rw-r--r-- | net/wireless/ap.c | 13 | ||||
| -rw-r--r-- | net/wireless/chan.c | 455 | ||||
| -rw-r--r-- | net/wireless/core.c | 172 | ||||
| -rw-r--r-- | net/wireless/core.h | 100 | ||||
| -rw-r--r-- | net/wireless/debugfs.c | 24 | ||||
| -rw-r--r-- | net/wireless/ethtool.c | 10 | ||||
| -rw-r--r-- | net/wireless/genregdb.awk | 73 | ||||
| -rw-r--r-- | net/wireless/ibss.c | 81 | ||||
| -rw-r--r-- | net/wireless/mesh.c | 27 | ||||
| -rw-r--r-- | net/wireless/mlme.c | 68 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 2013 | ||||
| -rw-r--r-- | net/wireless/nl80211.h | 15 | ||||
| -rw-r--r-- | net/wireless/radiotap.c | 11 | ||||
| -rw-r--r-- | net/wireless/rdev-ops.h | 51 | ||||
| -rw-r--r-- | net/wireless/reg.c | 1265 | ||||
| -rw-r--r-- | net/wireless/reg.h | 29 | ||||
| -rw-r--r-- | net/wireless/scan.c | 258 | ||||
| -rw-r--r-- | net/wireless/sme.c | 92 | ||||
| -rw-r--r-- | net/wireless/sysfs.h | 4 | ||||
| -rw-r--r-- | net/wireless/trace.h | 159 | ||||
| -rw-r--r-- | net/wireless/util.c | 303 | ||||
| -rw-r--r-- | net/wireless/wext-compat.c | 46 | ||||
| -rw-r--r-- | net/wireless/wext-compat.h | 2 | ||||
| -rw-r--r-- | net/wireless/wext-sme.c | 14 |
25 files changed, 3574 insertions, 1748 deletions
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig index 16d08b39921..405f3c4cf70 100644 --- a/net/wireless/Kconfig +++ b/net/wireless/Kconfig @@ -95,6 +95,43 @@ config CFG80211_CERTIFICATION_ONUS you are a wireless researcher and are working in a controlled and approved environment by your local regulatory agency. +config CFG80211_REG_CELLULAR_HINTS + bool "cfg80211 regulatory support for cellular base station hints" + depends on CFG80211_CERTIFICATION_ONUS + ---help--- + This option enables support for parsing regulatory hints + from cellular base stations. If enabled and at least one driver + claims support for parsing cellular base station hints the + regulatory core will allow and parse these regulatory hints. + The regulatory core will only apply these regulatory hints on + drivers that support this feature. You should only enable this + feature if you have tested and validated this feature on your + systems. + +config CFG80211_REG_RELAX_NO_IR + bool "cfg80211 support for NO_IR relaxation" + depends on CFG80211_CERTIFICATION_ONUS + ---help--- + This option enables support for relaxation of the NO_IR flag for + situations that certain regulatory bodies have provided clarifications + on how relaxation can occur. This feature has an inherent dependency on + userspace features which must have been properly tested and as such is + not enabled by default. + + A relaxation feature example is allowing the operation of a P2P group + owner (GO) on channels marked with NO_IR if there is an additional BSS + interface which associated to an AP which userspace assumes or confirms + to be an authorized master, i.e., with radar detection support and DFS + capabilities. However, note that in order to not create daisy chain + scenarios, this relaxation is not allowed in cases that the BSS client + is associated to P2P GO and in addition the P2P GO instantiated on + a channel due to this relaxation should not allow connection from + non P2P clients. + + The regulatory core will apply these relaxations only for drivers that + support this feature by declaring the appropriate channel flags and + capabilities in their registration flow. + config CFG80211_DEFAULT_PS bool "enable powersave by default" depends on CFG80211 diff --git a/net/wireless/ap.c b/net/wireless/ap.c index 324e8d851dc..bdad1f95156 100644 --- a/net/wireless/ap.c +++ b/net/wireless/ap.c @@ -6,8 +6,8 @@ #include "rdev-ops.h" -static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, - struct net_device *dev) +int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, + struct net_device *dev, bool notify) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; @@ -27,21 +27,24 @@ static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, err = rdev_stop_ap(rdev, dev); if (!err) { wdev->beacon_interval = 0; - wdev->channel = NULL; + memset(&wdev->chandef, 0, sizeof(wdev->chandef)); wdev->ssid_len = 0; + rdev_set_qos_map(rdev, dev, NULL); + if (notify) + nl80211_send_ap_stopped(wdev); } return err; } int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, - struct net_device *dev) + struct net_device *dev, bool notify) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; wdev_lock(wdev); - err = __cfg80211_stop_ap(rdev, dev); + err = __cfg80211_stop_ap(rdev, dev, notify); wdev_unlock(wdev); return err; diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 50f6195c8b7..992b34070bc 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -277,6 +277,32 @@ void cfg80211_set_dfs_state(struct wiphy *wiphy, width, dfs_state); } +static u32 cfg80211_get_start_freq(u32 center_freq, + u32 bandwidth) +{ + u32 start_freq; + + if (bandwidth <= 20) + start_freq = center_freq; + else + start_freq = center_freq - bandwidth/2 + 10; + + return start_freq; +} + +static u32 cfg80211_get_end_freq(u32 center_freq, + u32 bandwidth) +{ + u32 end_freq; + + if (bandwidth <= 20) + end_freq = center_freq; + else + end_freq = center_freq + bandwidth/2 - 10; + + return end_freq; +} + static int cfg80211_get_chans_dfs_required(struct wiphy *wiphy, u32 center_freq, u32 bandwidth) @@ -284,13 +310,8 @@ static int cfg80211_get_chans_dfs_required(struct wiphy *wiphy, struct ieee80211_channel *c; u32 freq, start_freq, end_freq; - if (bandwidth <= 20) { - start_freq = center_freq; - end_freq = center_freq; - } else { - start_freq = center_freq - bandwidth/2 + 10; - end_freq = center_freq + bandwidth/2 - 10; - } + start_freq = cfg80211_get_start_freq(center_freq, bandwidth); + end_freq = cfg80211_get_end_freq(center_freq, bandwidth); for (freq = start_freq; freq <= end_freq; freq += 20) { c = ieee80211_get_channel(wiphy, freq); @@ -305,57 +326,269 @@ static int cfg80211_get_chans_dfs_required(struct wiphy *wiphy, int cfg80211_chandef_dfs_required(struct wiphy *wiphy, - const struct cfg80211_chan_def *chandef) + const struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype) { int width; - int r; + int ret; if (WARN_ON(!cfg80211_chandef_valid(chandef))) return -EINVAL; + switch (iftype) { + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_MESH_POINT: + width = cfg80211_chandef_get_width(chandef); + if (width < 0) + return -EINVAL; + + ret = cfg80211_get_chans_dfs_required(wiphy, + chandef->center_freq1, + width); + if (ret < 0) + return ret; + else if (ret > 0) + return BIT(chandef->width); + + if (!chandef->center_freq2) + return 0; + + ret = cfg80211_get_chans_dfs_required(wiphy, + chandef->center_freq2, + width); + if (ret < 0) + return ret; + else if (ret > 0) + return BIT(chandef->width); + + break; + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_MONITOR: + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_WDS: + case NL80211_IFTYPE_P2P_DEVICE: + break; + case NL80211_IFTYPE_UNSPECIFIED: + case NUM_NL80211_IFTYPES: + WARN_ON(1); + } + + return 0; +} +EXPORT_SYMBOL(cfg80211_chandef_dfs_required); + +static int cfg80211_get_chans_dfs_usable(struct wiphy *wiphy, + u32 center_freq, + u32 bandwidth) +{ + struct ieee80211_channel *c; + u32 freq, start_freq, end_freq; + int count = 0; + + start_freq = cfg80211_get_start_freq(center_freq, bandwidth); + end_freq = cfg80211_get_end_freq(center_freq, bandwidth); + + /* + * Check entire range of channels for the bandwidth. + * Check all channels are DFS channels (DFS_USABLE or + * DFS_AVAILABLE). Return number of usable channels + * (require CAC). Allow DFS and non-DFS channel mix. + */ + for (freq = start_freq; freq <= end_freq; freq += 20) { + c = ieee80211_get_channel(wiphy, freq); + if (!c) + return -EINVAL; + + if (c->flags & IEEE80211_CHAN_DISABLED) + return -EINVAL; + + if (c->flags & IEEE80211_CHAN_RADAR) { + if (c->dfs_state == NL80211_DFS_UNAVAILABLE) + return -EINVAL; + + if (c->dfs_state == NL80211_DFS_USABLE) + count++; + } + } + + return count; +} + +bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef) +{ + int width; + int r1, r2 = 0; + + if (WARN_ON(!cfg80211_chandef_valid(chandef))) + return false; + width = cfg80211_chandef_get_width(chandef); if (width < 0) - return -EINVAL; + return false; - r = cfg80211_get_chans_dfs_required(wiphy, chandef->center_freq1, - width); - if (r) - return r; + r1 = cfg80211_get_chans_dfs_usable(wiphy, chandef->center_freq1, + width); - if (!chandef->center_freq2) - return 0; + if (r1 < 0) + return false; - return cfg80211_get_chans_dfs_required(wiphy, chandef->center_freq2, - width); + switch (chandef->width) { + case NL80211_CHAN_WIDTH_80P80: + WARN_ON(!chandef->center_freq2); + r2 = cfg80211_get_chans_dfs_usable(wiphy, + chandef->center_freq2, + width); + if (r2 < 0) + return false; + break; + default: + WARN_ON(chandef->center_freq2); + break; + } + + return (r1 + r2 > 0); } -static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy, - u32 center_freq, u32 bandwidth, - u32 prohibited_flags) + +static bool cfg80211_get_chans_dfs_available(struct wiphy *wiphy, + u32 center_freq, + u32 bandwidth) { struct ieee80211_channel *c; u32 freq, start_freq, end_freq; - if (bandwidth <= 20) { - start_freq = center_freq; - end_freq = center_freq; - } else { - start_freq = center_freq - bandwidth/2 + 10; - end_freq = center_freq + bandwidth/2 - 10; - } + start_freq = cfg80211_get_start_freq(center_freq, bandwidth); + end_freq = cfg80211_get_end_freq(center_freq, bandwidth); + /* + * Check entire range of channels for the bandwidth. + * If any channel in between is disabled or has not + * had gone through CAC return false + */ for (freq = start_freq; freq <= end_freq; freq += 20) { c = ieee80211_get_channel(wiphy, freq); if (!c) return false; - /* check for radar flags */ - if ((prohibited_flags & c->flags & IEEE80211_CHAN_RADAR) && + if (c->flags & IEEE80211_CHAN_DISABLED) + return false; + + if ((c->flags & IEEE80211_CHAN_RADAR) && (c->dfs_state != NL80211_DFS_AVAILABLE)) return false; + } + + return true; +} - /* check for the other flags */ - if (c->flags & prohibited_flags & ~IEEE80211_CHAN_RADAR) +static bool cfg80211_chandef_dfs_available(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef) +{ + int width; + int r; + + if (WARN_ON(!cfg80211_chandef_valid(chandef))) + return false; + + width = cfg80211_chandef_get_width(chandef); + if (width < 0) + return false; + + r = cfg80211_get_chans_dfs_available(wiphy, chandef->center_freq1, + width); + + /* If any of channels unavailable for cf1 just return */ + if (!r) + return r; + + switch (chandef->width) { + case NL80211_CHAN_WIDTH_80P80: + WARN_ON(!chandef->center_freq2); + r = cfg80211_get_chans_dfs_available(wiphy, + chandef->center_freq2, + width); + default: + WARN_ON(chandef->center_freq2); + break; + } + + return r; +} + +static unsigned int cfg80211_get_chans_dfs_cac_time(struct wiphy *wiphy, + u32 center_freq, + u32 bandwidth) +{ + struct ieee80211_channel *c; + u32 start_freq, end_freq, freq; + unsigned int dfs_cac_ms = 0; + + start_freq = cfg80211_get_start_freq(center_freq, bandwidth); + end_freq = cfg80211_get_end_freq(center_freq, bandwidth); + + for (freq = start_freq; freq <= end_freq; freq += 20) { + c = ieee80211_get_channel(wiphy, freq); + if (!c) + return 0; + + if (c->flags & IEEE80211_CHAN_DISABLED) + return 0; + + if (!(c->flags & IEEE80211_CHAN_RADAR)) + continue; + + if (c->dfs_cac_ms > dfs_cac_ms) + dfs_cac_ms = c->dfs_cac_ms; + } + + return dfs_cac_ms; +} + +unsigned int +cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef) +{ + int width; + unsigned int t1 = 0, t2 = 0; + + if (WARN_ON(!cfg80211_chandef_valid(chandef))) + return 0; + + width = cfg80211_chandef_get_width(chandef); + if (width < 0) + return 0; + + t1 = cfg80211_get_chans_dfs_cac_time(wiphy, + chandef->center_freq1, + width); + + if (!chandef->center_freq2) + return t1; + + t2 = cfg80211_get_chans_dfs_cac_time(wiphy, + chandef->center_freq2, + width); + + return max(t1, t2); +} + +static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy, + u32 center_freq, u32 bandwidth, + u32 prohibited_flags) +{ + struct ieee80211_channel *c; + u32 freq, start_freq, end_freq; + + start_freq = cfg80211_get_start_freq(center_freq, bandwidth); + end_freq = cfg80211_get_end_freq(center_freq, bandwidth); + + for (freq = start_freq; freq <= end_freq; freq += 20) { + c = ieee80211_get_channel(wiphy, freq); + if (!c || c->flags & prohibited_flags) return false; } @@ -383,12 +616,14 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, width = 5; break; case NL80211_CHAN_WIDTH_10: + prohibited_flags |= IEEE80211_CHAN_NO_10MHZ; width = 10; break; case NL80211_CHAN_WIDTH_20: if (!ht_cap->ht_supported) return false; case NL80211_CHAN_WIDTH_20_NOHT: + prohibited_flags |= IEEE80211_CHAN_NO_20MHZ; width = 20; break; case NL80211_CHAN_WIDTH_40: @@ -457,18 +692,117 @@ 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 + * 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 + * allowed, iff we are currently operating in an indoor environment. + */ +static bool cfg80211_go_permissive_chan(struct cfg80211_registered_device *rdev, + struct ieee80211_channel *chan) +{ + struct wireless_dev *wdev_iter; + struct wiphy *wiphy = wiphy_idx_to_wiphy(rdev->wiphy_idx); + + ASSERT_RTNL(); + + if (!config_enabled(CONFIG_CFG80211_REG_RELAX_NO_IR) || + !(wiphy->regulatory_flags & REGULATORY_ENABLE_RELAX_NO_IR)) + return false; + + if (regulatory_indoor_allowed() && + (chan->flags & IEEE80211_CHAN_INDOOR_ONLY)) + return true; + + if (!(chan->flags & IEEE80211_CHAN_GO_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 + * 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) { + 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); + + if (!other_chan) + continue; + + if (chan == other_chan) + return true; + + if (chan->band != IEEE80211_BAND_5GHZ) + continue; + + r1 = cfg80211_get_unii(chan->center_freq); + r2 = cfg80211_get_unii(other_chan->center_freq); + + if (r1 != -EINVAL && r1 == r2) { + /* + * At some locations channels 149-165 are considered a + * bundle, but at other locations, e.g., Indonesia, + * channels 149-161 are considered a bundle while + * channel 165 is left out and considered to be in a + * different bundle. Thus, in case that there is a + * station interface connected to an AP on channel 165, + * it is assumed that channels 149-161 are allowed for + * GO operations. However, having a station interface + * connected to an AP on channels 149-161, does not + * allow GO operation on channel 165. + */ + if (chan->center_freq == 5825 && + other_chan->center_freq != 5825) + continue; + return true; + } + } + + return false; +} + bool cfg80211_reg_can_beacon(struct wiphy *wiphy, - struct cfg80211_chan_def *chandef) + 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; - trace_cfg80211_reg_can_beacon(wiphy, chandef); + trace_cfg80211_reg_can_beacon(wiphy, chandef, iftype); - res = cfg80211_chandef_usable(wiphy, chandef, - IEEE80211_CHAN_DISABLED | - IEEE80211_CHAN_PASSIVE_SCAN | - IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_RADAR); + /* + * 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. + */ + if (iftype != NL80211_IFTYPE_P2P_GO || + !cfg80211_go_permissive_chan(rdev, chandef->chan)) + prohibited_flags |= IEEE80211_CHAN_NO_IR; + + if (cfg80211_chandef_dfs_required(wiphy, chandef, iftype) > 0 && + cfg80211_chandef_dfs_available(wiphy, chandef)) { + /* We can skip IEEE80211_CHAN_NO_IR if chandef dfs available */ + prohibited_flags = IEEE80211_CHAN_DISABLED; + } + + res = cfg80211_chandef_usable(wiphy, chandef, prohibited_flags); trace_cfg80211_return_bool(res); return res; @@ -489,8 +823,11 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, void cfg80211_get_chan_state(struct wireless_dev *wdev, struct ieee80211_channel **chan, - enum cfg80211_chan_mode *chanmode) + enum cfg80211_chan_mode *chanmode, + u8 *radar_detect) { + int ret; + *chan = NULL; *chanmode = CHAN_MODE_UNDEFINED; @@ -503,11 +840,18 @@ cfg80211_get_chan_state(struct wireless_dev *wdev, case NL80211_IFTYPE_ADHOC: if (wdev->current_bss) { *chan = wdev->current_bss->pub.channel; - *chanmode = wdev->ibss_fixed + *chanmode = (wdev->ibss_fixed && + !wdev->ibss_dfs_possible) ? CHAN_MODE_SHARED : CHAN_MODE_EXCLUSIVE; + + /* consider worst-case - IBSS can try to return to the + * original user-specified channel as creator */ + if (wdev->ibss_dfs_possible) + *radar_detect |= BIT(wdev->chandef.width); return; } + break; case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: if (wdev->current_bss) { @@ -519,33 +863,42 @@ cfg80211_get_chan_state(struct wireless_dev *wdev, case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: if (wdev->cac_started) { - *chan = wdev->channel; + *chan = wdev->chandef.chan; *chanmode = CHAN_MODE_SHARED; + *radar_detect |= BIT(wdev->chandef.width); } else if (wdev->beacon_interval) { - *chan = wdev->channel; + *chan = wdev->chandef.chan; *chanmode = CHAN_MODE_SHARED; + + ret = cfg80211_chandef_dfs_required(wdev->wiphy, + &wdev->chandef, + wdev->iftype); + WARN_ON(ret < 0); + if (ret > 0) + *radar_detect |= BIT(wdev->chandef.width); } return; case NL80211_IFTYPE_MESH_POINT: if (wdev->mesh_id_len) { - *chan = wdev->channel; + *chan = wdev->chandef.chan; *chanmode = CHAN_MODE_SHARED; + + ret = cfg80211_chandef_dfs_required(wdev->wiphy, + &wdev->chandef, + wdev->iftype); + WARN_ON(ret < 0); + if (ret > 0) + *radar_detect |= BIT(wdev->chandef.width); } return; case NL80211_IFTYPE_MONITOR: case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_WDS: - /* these interface types don't really have a channel */ - return; case NL80211_IFTYPE_P2P_DEVICE: - if (wdev->wiphy->features & - NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL) - *chanmode = CHAN_MODE_EXCLUSIVE; + /* these interface types don't really have a channel */ return; case NL80211_IFTYPE_UNSPECIFIED: case NUM_NL80211_IFTYPES: WARN_ON(1); } - - return; } diff --git a/net/wireless/core.c b/net/wireless/core.c index fe8d4f2be49..a1c40654dd9 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -69,7 +69,7 @@ struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx) int get_wiphy_idx(struct wiphy *wiphy) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); return rdev->wiphy_idx; } @@ -130,7 +130,7 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, newname)) pr_err("failed to rename debugfs dir to %s!\n", newname); - nl80211_notify_dev_rename(rdev); + nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY); return 0; } @@ -204,27 +204,18 @@ void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, rdev->opencount--; if (rdev->scan_req && rdev->scan_req->wdev == wdev) { - /* - * If the scan request wasn't notified as done, set it - * to aborted and leak it after a warning. The driver - * should have notified us that it ended at the latest - * during rdev_stop_p2p_device(). - */ if (WARN_ON(!rdev->scan_req->notified)) rdev->scan_req->aborted = true; - ___cfg80211_scan_done(rdev, !rdev->scan_req->notified); + ___cfg80211_scan_done(rdev, false); } } -static int cfg80211_rfkill_set_block(void *data, bool blocked) +void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy) { - struct cfg80211_registered_device *rdev = data; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct wireless_dev *wdev; - if (!blocked) - return 0; - - rtnl_lock(); + ASSERT_RTNL(); list_for_each_entry(wdev, &rdev->wdev_list, list) { if (wdev->netdev) { @@ -240,7 +231,18 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked) break; } } +} +EXPORT_SYMBOL_GPL(cfg80211_shutdown_all_interfaces); + +static int cfg80211_rfkill_set_block(void *data, bool blocked) +{ + struct cfg80211_registered_device *rdev = data; + + if (!blocked) + return 0; + rtnl_lock(); + cfg80211_shutdown_all_interfaces(&rdev->wiphy); rtnl_unlock(); return 0; @@ -266,6 +268,45 @@ static void cfg80211_event_work(struct work_struct *work) rtnl_unlock(); } +void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev) +{ + struct cfg80211_iface_destroy *item; + + ASSERT_RTNL(); + + spin_lock_irq(&rdev->destroy_list_lock); + while ((item = list_first_entry_or_null(&rdev->destroy_list, + struct cfg80211_iface_destroy, + list))) { + struct wireless_dev *wdev, *tmp; + u32 nlportid = item->nlportid; + + list_del(&item->list); + kfree(item); + spin_unlock_irq(&rdev->destroy_list_lock); + + list_for_each_entry_safe(wdev, tmp, &rdev->wdev_list, list) { + if (nlportid == wdev->owner_nlportid) + rdev_del_virtual_intf(rdev, wdev); + } + + spin_lock_irq(&rdev->destroy_list_lock); + } + spin_unlock_irq(&rdev->destroy_list_lock); +} + +static void cfg80211_destroy_iface_wk(struct work_struct *work) +{ + struct cfg80211_registered_device *rdev; + + rdev = container_of(work, struct cfg80211_registered_device, + destroy_work); + + rtnl_lock(); + cfg80211_destroy_ifaces(rdev); + rtnl_unlock(); +} + /* exported functions */ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) @@ -324,6 +365,10 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) rdev->wiphy.dev.class = &ieee80211_class; rdev->wiphy.dev.platform_data = rdev; + INIT_LIST_HEAD(&rdev->destroy_list); + spin_lock_init(&rdev->destroy_list_lock); + INIT_WORK(&rdev->destroy_work, cfg80211_destroy_iface_wk); + #ifdef CONFIG_CFG80211_DEFAULT_PS rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; #endif @@ -357,7 +402,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) rdev->wiphy.rts_threshold = (u32) -1; rdev->wiphy.coverage_class = 0; - rdev->wiphy.features = NL80211_FEATURE_SCAN_FLUSH; + rdev->wiphy.max_num_csa_counters = 1; return &rdev->wiphy; } @@ -404,10 +449,7 @@ static int wiphy_verify_combinations(struct wiphy *wiphy) for (j = 0; j < c->n_limits; j++) { u16 types = c->limits[j].types; - /* - * interface types shouldn't overlap, this is - * used in cfg80211_can_change_interface() - */ + /* interface types shouldn't overlap */ if (WARN_ON(types & all_iftypes)) return -EINVAL; all_iftypes |= types; @@ -443,7 +485,7 @@ static int wiphy_verify_combinations(struct wiphy *wiphy) int wiphy_register(struct wiphy *wiphy) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); int res; enum ieee80211_band band; struct ieee80211_supported_band *sband; @@ -451,6 +493,12 @@ int wiphy_register(struct wiphy *wiphy) int i; u16 ifmodes = wiphy->interface_modes; + /* + * There are major locking problems in nl80211/mac80211 for CSA, + * disable for all drivers until this has been reworked. + */ + wiphy->flags &= ~WIPHY_FLAG_HAS_CHANNEL_SWITCH; + #ifdef CONFIG_PM if (WARN_ON(wiphy->wowlan && (wiphy->wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && @@ -566,6 +614,8 @@ int wiphy_register(struct wiphy *wiphy) /* check and set up bitrates */ ieee80211_set_bitrate_flags(wiphy); + rdev->wiphy.features |= NL80211_FEATURE_SCAN_FLUSH; + rtnl_lock(); res = device_add(&rdev->wiphy.dev); if (res) { @@ -586,7 +636,7 @@ int wiphy_register(struct wiphy *wiphy) if (IS_ERR(rdev->wiphy.debugfsdir)) rdev->wiphy.debugfsdir = NULL; - if (wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) { + if (wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) { struct regulatory_request request; request.wiphy_idx = get_wiphy_idx(wiphy); @@ -610,13 +660,15 @@ int wiphy_register(struct wiphy *wiphy) return res; } + nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY); + return 0; } EXPORT_SYMBOL(wiphy_register); void wiphy_rfkill_start_polling(struct wiphy *wiphy) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); if (!rdev->ops->rfkill_poll) return; @@ -627,7 +679,7 @@ EXPORT_SYMBOL(wiphy_rfkill_start_polling); void wiphy_rfkill_stop_polling(struct wiphy *wiphy) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); rfkill_pause_polling(rdev->rfkill); } @@ -635,7 +687,7 @@ EXPORT_SYMBOL(wiphy_rfkill_stop_polling); void wiphy_unregister(struct wiphy *wiphy) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); wait_event(rdev->dev_wait, ({ int __count; @@ -648,9 +700,10 @@ void wiphy_unregister(struct wiphy *wiphy) rfkill_unregister(rdev->rfkill); rtnl_lock(); + nl80211_notify_wiphy(rdev, NL80211_CMD_DEL_WIPHY); rdev->wiphy.registered = false; - BUG_ON(!list_empty(&rdev->wdev_list)); + WARN_ON(!list_empty(&rdev->wdev_list)); /* * First remove the hardware from everywhere, this makes @@ -675,6 +728,7 @@ void wiphy_unregister(struct wiphy *wiphy) cancel_work_sync(&rdev->conn_work); flush_work(&rdev->event_work); cancel_delayed_work_sync(&rdev->dfs_update_channels_wk); + flush_work(&rdev->destroy_work); #ifdef CONFIG_PM if (rdev->wiphy.wowlan_config && rdev->ops->set_wakeup) @@ -707,7 +761,7 @@ EXPORT_SYMBOL(wiphy_free); void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); if (rfkill_set_hw_state(rdev->rfkill, blocked)) schedule_work(&rdev->rfkill_sync); @@ -716,7 +770,7 @@ EXPORT_SYMBOL(wiphy_rfkill_set_hw_state); void cfg80211_unregister_wdev(struct wireless_dev *wdev) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); ASSERT_RTNL(); @@ -737,7 +791,7 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev) } EXPORT_SYMBOL(cfg80211_unregister_wdev); -static struct device_type wiphy_type = { +static const struct device_type wiphy_type = { .name = "wlan", }; @@ -751,20 +805,23 @@ void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, rdev->num_running_monitor_ifaces += num; } -void cfg80211_leave(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev) +void __cfg80211_leave(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev) { struct net_device *dev = wdev->netdev; + ASSERT_RTNL(); + ASSERT_WDEV_LOCK(wdev); + switch (wdev->iftype) { case NL80211_IFTYPE_ADHOC: - cfg80211_leave_ibss(rdev, dev, true); + __cfg80211_leave_ibss(rdev, dev, true); break; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_STATION: - __cfg80211_stop_sched_scan(rdev, false); + if (rdev->sched_scan_req && dev == rdev->sched_scan_req->dev) + __cfg80211_stop_sched_scan(rdev, false); - wdev_lock(wdev); #ifdef CONFIG_CFG80211_WEXT kfree(wdev->wext.ie); wdev->wext.ie = NULL; @@ -773,21 +830,48 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev, #endif cfg80211_disconnect(rdev, dev, WLAN_REASON_DEAUTH_LEAVING, true); - wdev_unlock(wdev); break; case NL80211_IFTYPE_MESH_POINT: - cfg80211_leave_mesh(rdev, dev); + __cfg80211_leave_mesh(rdev, dev); break; case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: - cfg80211_stop_ap(rdev, dev); + __cfg80211_stop_ap(rdev, dev, true); break; default: break; } +} + +void cfg80211_leave(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev) +{ + wdev_lock(wdev); + __cfg80211_leave(rdev, wdev); + wdev_unlock(wdev); +} - wdev->beacon_interval = 0; +void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev, + gfp_t gfp) +{ + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + struct cfg80211_event *ev; + unsigned long flags; + + trace_cfg80211_stop_iface(wiphy, wdev); + + ev = kzalloc(sizeof(*ev), gfp); + if (!ev) + return; + + ev->type = EVENT_STOPPED; + + spin_lock_irqsave(&wdev->event_lock, flags); + list_add_tail(&ev->list, &wdev->event_list); + spin_unlock_irqrestore(&wdev->event_lock, flags); + queue_work(cfg80211_wq, &rdev->event_work); } +EXPORT_SYMBOL(cfg80211_stop_iface); static int cfg80211_netdev_notifier_call(struct notifier_block *nb, unsigned long state, void *ptr) @@ -795,12 +879,11 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev; - int ret; if (!wdev) return NOTIFY_DONE; - rdev = wiphy_to_dev(wdev->wiphy); + rdev = wiphy_to_rdev(wdev->wiphy); WARN_ON(wdev->iftype == NL80211_IFTYPE_UNSPECIFIED); @@ -859,7 +942,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, if (rdev->scan_req && rdev->scan_req->wdev == wdev) { if (WARN_ON(!rdev->scan_req->notified)) rdev->scan_req->aborted = true; - ___cfg80211_scan_done(rdev, true); + ___cfg80211_scan_done(rdev, false); } if (WARN_ON(rdev->sched_scan_req && @@ -960,13 +1043,12 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, return notifier_from_errno(-EOPNOTSUPP); if (rfkill_blocked(rdev->rfkill)) return notifier_from_errno(-ERFKILL); - ret = cfg80211_can_add_interface(rdev, wdev->iftype); - if (ret) - return notifier_from_errno(ret); break; + default: + return NOTIFY_DONE; } - return NOTIFY_DONE; + return NOTIFY_OK; } static struct notifier_block cfg80211_netdev_notifier = { diff --git a/net/wireless/core.h b/net/wireless/core.h index 9ad43c619c5..7e3a3cef7df 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -62,14 +62,13 @@ struct cfg80211_registered_device { struct rb_root bss_tree; u32 bss_generation; struct cfg80211_scan_request *scan_req; /* protected by RTNL */ + struct sk_buff *scan_msg; struct cfg80211_sched_scan_request *sched_scan_req; unsigned long suspend_at; struct work_struct scan_done_wk; struct work_struct sched_scan_results_wk; -#ifdef CONFIG_NL80211_TESTMODE - struct genl_info *testmode_info; -#endif + struct genl_info *cur_cmd_info; struct work_struct conn_work; struct work_struct event_work; @@ -81,13 +80,17 @@ struct cfg80211_registered_device { struct cfg80211_coalesce *coalesce; + spinlock_t destroy_list_lock; + struct list_head destroy_list; + struct work_struct destroy_work; + /* must be last because of the way we do wiphy_priv(), * and it should at least be aligned to NETDEV_ALIGN */ struct wiphy wiphy __aligned(NETDEV_ALIGN); }; static inline -struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy) +struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy) { BUG_ON(!wiphy); return container_of(wiphy, struct cfg80211_registered_device, wiphy); @@ -167,7 +170,6 @@ static inline void wdev_unlock(struct wireless_dev *wdev) mutex_unlock(&wdev->mtx); } -#define ASSERT_RDEV_LOCK(rdev) ASSERT_RTNL() #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) @@ -183,6 +185,7 @@ enum cfg80211_event_type { EVENT_ROAMED, EVENT_DISCONNECTED, EVENT_IBSS_JOINED, + EVENT_STOPPED, }; struct cfg80211_event { @@ -212,6 +215,7 @@ struct cfg80211_event { } dc; struct { u8 bssid[ETH_ALEN]; + struct ieee80211_channel *channel; } ij; }; }; @@ -233,23 +237,26 @@ struct cfg80211_beacon_registration { u32 nlportid; }; +struct cfg80211_iface_destroy { + struct list_head list; + u32 nlportid; +}; + +void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); + /* free object */ -extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev); +void cfg80211_dev_free(struct cfg80211_registered_device *rdev); -extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, - char *newname); +int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, + char *newname); void ieee80211_set_bitrate_flags(struct wiphy *wiphy); -void cfg80211_bss_expire(struct cfg80211_registered_device *dev); -void cfg80211_bss_age(struct cfg80211_registered_device *dev, +void cfg80211_bss_expire(struct cfg80211_registered_device *rdev); +void cfg80211_bss_age(struct cfg80211_registered_device *rdev, unsigned long age_secs); /* IBSS */ -int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_ibss_params *params, - struct cfg80211_cached_keys *connkeys); int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, struct net_device *dev, struct cfg80211_ibss_params *params, @@ -259,7 +266,8 @@ int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, struct net_device *dev, bool nowext); int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, struct net_device *dev, bool nowext); -void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid); +void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, + struct ieee80211_channel *channel); int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev); @@ -274,6 +282,8 @@ int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, struct net_device *dev, struct mesh_setup *setup, const struct mesh_config *conf); +int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, + struct net_device *dev); int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, struct net_device *dev); int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, @@ -281,8 +291,10 @@ int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, struct cfg80211_chan_def *chandef); /* AP */ +int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, + struct net_device *dev, bool notify); int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, - struct net_device *dev); + struct net_device *dev, bool notify); /* MLME */ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, @@ -317,9 +329,8 @@ void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, - struct ieee80211_channel *chan, bool offchan, - unsigned int wait, const u8 *buf, size_t len, - bool no_cck, bool dont_wait_for_ack, u64 *cookie); + struct cfg80211_mgmt_tx_params *params, + u64 *cookie); void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, const struct ieee80211_ht_cap *ht_capa_mask); void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, @@ -364,7 +375,8 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, struct key_params *params, int key_idx, bool pairwise, const u8 *mac_addr); void __cfg80211_scan_done(struct work_struct *wk); -void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak); +void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, + bool send_message); void __cfg80211_sched_scan_results(struct work_struct *wk); int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, bool driver_initiated); @@ -383,13 +395,17 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, u8 radar_detect); /** - * cfg80211_chandef_dfs_required - checks if radar detection is required + * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable * @wiphy: the wiphy to validate against * @chandef: the channel definition to check - * Return: 1 if radar detection is required, 0 if it is not, < 0 on error + * + * Checks if chandef is usable and we can/need start CAC on such channel. + * + * Return: Return true if all channels available and at least + * one channel require CAC (NL80211_DFS_USABLE) */ -int cfg80211_chandef_dfs_required(struct wiphy *wiphy, - const struct cfg80211_chan_def *c); +bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef); void cfg80211_set_dfs_state(struct wiphy *wiphy, const struct cfg80211_chan_def *chandef, @@ -397,32 +413,9 @@ void cfg80211_set_dfs_state(struct wiphy *wiphy, void cfg80211_dfs_channels_update_work(struct work_struct *work); - -static inline int -cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, - enum nl80211_iftype iftype) -{ - return cfg80211_can_use_iftype_chan(rdev, wdev, iftype, NULL, - CHAN_MODE_UNDEFINED, 0); -} - -static inline int -cfg80211_can_add_interface(struct cfg80211_registered_device *rdev, - enum nl80211_iftype iftype) -{ - return cfg80211_can_change_interface(rdev, NULL, iftype); -} - -static inline int -cfg80211_can_use_chan(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, - struct ieee80211_channel *chan, - enum cfg80211_chan_mode chanmode) -{ - return cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, - chan, chanmode, 0); -} +unsigned int +cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef); static inline unsigned int elapsed_jiffies_msecs(unsigned long start) { @@ -431,13 +424,14 @@ static inline unsigned int elapsed_jiffies_msecs(unsigned long start) if (end >= start) return jiffies_to_msecs(end - start); - return jiffies_to_msecs(end + (MAX_JIFFY_OFFSET - start) + 1); + return jiffies_to_msecs(end + (ULONG_MAX - start) + 1); } void cfg80211_get_chan_state(struct wireless_dev *wdev, struct ieee80211_channel **chan, - enum cfg80211_chan_mode *chanmode); + enum cfg80211_chan_mode *chanmode, + u8 *radar_detect); int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, struct cfg80211_chan_def *chandef); @@ -452,6 +446,8 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, enum nl80211_iftype iftype, int num); +void __cfg80211_leave(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev); void cfg80211_leave(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev); diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c index 90d05003662..454157717ef 100644 --- a/net/wireless/debugfs.c +++ b/net/wireless/debugfs.c @@ -47,17 +47,19 @@ static int ht_print_chan(struct ieee80211_channel *chan, return 0; if (chan->flags & IEEE80211_CHAN_DISABLED) - return snprintf(buf + offset, - buf_size - offset, - "%d Disabled\n", - chan->center_freq); - - return snprintf(buf + offset, - buf_size - offset, - "%d HT40 %c%c\n", - chan->center_freq, - (chan->flags & IEEE80211_CHAN_NO_HT40MINUS) ? ' ' : '-', - (chan->flags & IEEE80211_CHAN_NO_HT40PLUS) ? ' ' : '+'); + return scnprintf(buf + offset, + buf_size - offset, + "%d Disabled\n", + chan->center_freq); + + return scnprintf(buf + offset, + buf_size - offset, + "%d HT40 %c%c\n", + chan->center_freq, + (chan->flags & IEEE80211_CHAN_NO_HT40MINUS) ? + ' ' : '-', + (chan->flags & IEEE80211_CHAN_NO_HT40PLUS) ? + ' ' : '+'); } static ssize_t ht40allow_map_read(struct file *file, diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c index e37862f1b12..d4860bfc020 100644 --- a/net/wireless/ethtool.c +++ b/net/wireless/ethtool.c @@ -43,7 +43,7 @@ static void cfg80211_get_ringparam(struct net_device *dev, struct ethtool_ringparam *rp) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); memset(rp, 0, sizeof(*rp)); @@ -56,7 +56,7 @@ static int cfg80211_set_ringparam(struct net_device *dev, struct ethtool_ringparam *rp) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); if (rp->rx_mini_pending != 0 || rp->rx_jumbo_pending != 0) return -EINVAL; @@ -70,7 +70,7 @@ static int cfg80211_set_ringparam(struct net_device *dev, static int cfg80211_get_sset_count(struct net_device *dev, int sset) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); if (rdev->ops->get_et_sset_count) return rdev_get_et_sset_count(rdev, dev, sset); return -EOPNOTSUPP; @@ -80,7 +80,7 @@ static void cfg80211_get_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); if (rdev->ops->get_et_stats) rdev_get_et_stats(rdev, dev, stats, data); } @@ -88,7 +88,7 @@ static void cfg80211_get_stats(struct net_device *dev, static void cfg80211_get_strings(struct net_device *dev, u32 sset, u8 *data) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); if (rdev->ops->get_et_strings) rdev_get_et_strings(rdev, dev, sset, data); } diff --git a/net/wireless/genregdb.awk b/net/wireless/genregdb.awk index 9392f8cbb90..40c37fc5b67 100644 --- a/net/wireless/genregdb.awk +++ b/net/wireless/genregdb.awk @@ -33,25 +33,24 @@ BEGIN { regdb = "const struct ieee80211_regdomain *reg_regdb[] = {\n" } -/^[ \t]*#/ { - # Ignore -} - -!active && /^[ \t]*$/ { - # Ignore -} - -!active && /country/ { +function parse_country_head() { country=$2 sub(/:/, "", country) printf "static const struct ieee80211_regdomain regdom_%s = {\n", country printf "\t.alpha2 = \"%s\",\n", country + if ($NF ~ /DFS-ETSI/) + printf "\t.dfs_region = NL80211_DFS_ETSI,\n" + else if ($NF ~ /DFS-FCC/) + printf "\t.dfs_region = NL80211_DFS_FCC,\n" + else if ($NF ~ /DFS-JP/) + printf "\t.dfs_region = NL80211_DFS_JP,\n" printf "\t.reg_rules = {\n" active = 1 regdb = regdb "\t®dom_" country ",\n" } -active && /^[ \t]*\(/ { +function parse_reg_rule() +{ start = $1 sub(/\(/, "", start) end = $3 @@ -67,19 +66,15 @@ active && /^[ \t]*\(/ { units = $8 sub(/\)/, "", units) sub(/,/, "", units) + dfs_cac = $9 if (units == "mW") { - if (power == 100) { - power = 20 - } else if (power == 200) { - power = 23 - } else if (power == 500) { - power = 27 - } else if (power == 1000) { - power = 30 - } else { - print "Unknown power value in database!" - } + power = 10 * log(power)/log(10) + } else { + dfs_cac = $8 } + sub(/,/, "", dfs_cac) + sub(/\(/, "", dfs_cac) + sub(/\)/, "", dfs_cac) flagstr = "" for (i=8; i<=NF; i++) flagstr = flagstr $i @@ -101,17 +96,23 @@ active && /^[ \t]*\(/ { } else if (flagarray[arg] == "PTMP-ONLY") { flags = flags "\n\t\t\tNL80211_RRF_PTMP_ONLY | " } else if (flagarray[arg] == "PASSIVE-SCAN") { - flags = flags "\n\t\t\tNL80211_RRF_PASSIVE_SCAN | " + flags = flags "\n\t\t\tNL80211_RRF_NO_IR | " } else if (flagarray[arg] == "NO-IBSS") { - flags = flags "\n\t\t\tNL80211_RRF_NO_IBSS | " + flags = flags "\n\t\t\tNL80211_RRF_NO_IR | " + } else if (flagarray[arg] == "NO-IR") { + flags = flags "\n\t\t\tNL80211_RRF_NO_IR | " + } else if (flagarray[arg] == "AUTO-BW") { + flags = flags "\n\t\t\tNL80211_RRF_AUTO_BW | " } + } flags = flags "0" - printf "\t\tREG_RULE(%d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, flags + printf "\t\tREG_RULE_EXT(%d, %d, %d, %d, %.0f, %d, %s),\n", start, end, bw, gain, power, dfs_cac, flags rules++ } -active && /^[ \t]*$/ { +function print_tail_country() +{ active = 0 printf "\t},\n" printf "\t.n_reg_rules = %d\n", rules @@ -119,7 +120,29 @@ active && /^[ \t]*$/ { rules = 0; } +/^[ \t]*#/ { + # Ignore +} + +!active && /^[ \t]*$/ { + # Ignore +} + +!active && /country/ { + parse_country_head() +} + +active && /^[ \t]*\(/ { + parse_reg_rule() +} + +active && /^[ \t]*$/ { + print_tail_country() +} + END { + if (active) + print_tail_country() print regdb "};" print "" print "int reg_regdb_size = ARRAY_SIZE(reg_regdb);" diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c index 403fe29c024..8f345da3ea5 100644 --- a/net/wireless/ibss.c +++ b/net/wireless/ibss.c @@ -14,7 +14,8 @@ #include "rdev-ops.h" -void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid) +void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, + struct ieee80211_channel *channel) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_bss *bss; @@ -28,8 +29,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid) if (!wdev->ssid_len) return; - bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid, - wdev->ssid, wdev->ssid_len, + bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, NULL, 0, WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS); if (WARN_ON(!bss)) @@ -45,7 +45,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid) cfg80211_upload_connect_keys(wdev); - nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid, + nl80211_send_ibss_bssid(wiphy_to_rdev(wdev->wiphy), dev, bssid, GFP_KERNEL); #ifdef CONFIG_CFG80211_WEXT memset(&wrqu, 0, sizeof(wrqu)); @@ -54,21 +54,26 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid) #endif } -void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp) +void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, + struct ieee80211_channel *channel, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_event *ev; unsigned long flags; - trace_cfg80211_ibss_joined(dev, bssid); + trace_cfg80211_ibss_joined(dev, bssid, channel); + + if (WARN_ON(!channel)) + return; ev = kzalloc(sizeof(*ev), gfp); if (!ev) return; ev->type = EVENT_IBSS_JOINED; - memcpy(ev->cr.bssid, bssid, ETH_ALEN); + memcpy(ev->ij.bssid, bssid, ETH_ALEN); + ev->ij.channel = channel; spin_lock_irqsave(&wdev->event_lock, flags); list_add_tail(&ev->list, &wdev->event_list); @@ -77,10 +82,10 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp) } EXPORT_SYMBOL(cfg80211_ibss_joined); -int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, - struct net_device *dev, - struct cfg80211_ibss_params *params, - struct cfg80211_cached_keys *connkeys) +static int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_ibss_params *params, + struct cfg80211_cached_keys *connkeys) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; @@ -114,19 +119,11 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, wdev->connect_keys = connkeys; wdev->ibss_fixed = params->channel_fixed; + wdev->ibss_dfs_possible = params->userspace_handles_dfs; + wdev->chandef = params->chandef; #ifdef CONFIG_CFG80211_WEXT wdev->wext.ibss.chandef = params->chandef; #endif - - err = cfg80211_can_use_chan(rdev, wdev, params->chandef.chan, - params->channel_fixed - ? CHAN_MODE_SHARED - : CHAN_MODE_EXCLUSIVE); - if (err) { - wdev->connect_keys = NULL; - return err; - } - err = rdev_join_ibss(rdev, dev, params); if (err) { wdev->connect_keys = NULL; @@ -159,7 +156,7 @@ int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); int i; ASSERT_WDEV_LOCK(wdev); @@ -167,6 +164,8 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) kfree(wdev->connect_keys); wdev->connect_keys = NULL; + rdev_set_qos_map(rdev, dev, NULL); + /* * Delete all the keys ... pairwise keys can't really * exist any more anyway, but default keys might. @@ -182,6 +181,7 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) wdev->current_bss = NULL; wdev->ssid_len = 0; + memset(&wdev->chandef, 0, sizeof(wdev->chandef)); #ifdef CONFIG_CFG80211_WEXT if (!nowext) wdev->wext.ibss.ssid_len = 0; @@ -246,7 +246,7 @@ int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, /* try to find an IBSS channel if none requested ... */ if (!wdev->wext.ibss.chandef.chan) { - wdev->wext.ibss.chandef.width = NL80211_CHAN_WIDTH_20_NOHT; + struct ieee80211_channel *new_chan = NULL; for (band = 0; band < IEEE80211_NUM_BANDS; band++) { struct ieee80211_supported_band *sband; @@ -258,22 +258,23 @@ int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, for (i = 0; i < sband->n_channels; i++) { chan = &sband->channels[i]; - if (chan->flags & IEEE80211_CHAN_NO_IBSS) + if (chan->flags & IEEE80211_CHAN_NO_IR) continue; if (chan->flags & IEEE80211_CHAN_DISABLED) continue; - wdev->wext.ibss.chandef.chan = chan; - wdev->wext.ibss.chandef.center_freq1 = - chan->center_freq; + new_chan = chan; break; } - if (wdev->wext.ibss.chandef.chan) + if (new_chan) break; } - if (!wdev->wext.ibss.chandef.chan) + if (!new_chan) return -EINVAL; + + cfg80211_chandef_create(&wdev->wext.ibss.chandef, new_chan, + NL80211_CHAN_NO_HT); } /* don't join -- SSID is not there */ @@ -310,7 +311,7 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev, struct iw_freq *wextfreq, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct ieee80211_channel *chan = NULL; int err, freq; @@ -321,7 +322,7 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev, if (!rdev->ops->join_ibss) return -EOPNOTSUPP; - freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); + freq = cfg80211_wext_freq(wextfreq); if (freq < 0) return freq; @@ -329,7 +330,7 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev, chan = ieee80211_get_channel(wdev->wiphy, freq); if (!chan) return -EINVAL; - if (chan->flags & IEEE80211_CHAN_NO_IBSS || + if (chan->flags & IEEE80211_CHAN_NO_IR || chan->flags & IEEE80211_CHAN_DISABLED) return -EINVAL; } @@ -347,9 +348,8 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev, return err; if (chan) { - wdev->wext.ibss.chandef.chan = chan; - wdev->wext.ibss.chandef.width = NL80211_CHAN_WIDTH_20_NOHT; - wdev->wext.ibss.chandef.center_freq1 = freq; + cfg80211_chandef_create(&wdev->wext.ibss.chandef, chan, + NL80211_CHAN_NO_HT); wdev->wext.ibss.channel_fixed = true; } else { /* cfg80211_ibss_wext_join will pick one if needed */ @@ -396,7 +396,7 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev, struct iw_point *data, char *ssid) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); size_t len = data->length; int err; @@ -420,8 +420,8 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev, if (len > 0 && ssid[len - 1] == '\0') len--; + memcpy(wdev->ssid, ssid, len); wdev->wext.ibss.ssid = wdev->ssid; - memcpy(wdev->wext.ibss.ssid, ssid, len); wdev->wext.ibss.ssid_len = len; wdev_lock(wdev); @@ -463,7 +463,7 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev, struct sockaddr *ap_addr, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); u8 *bssid = ap_addr->sa_data; int err; @@ -481,6 +481,9 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev, if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) bssid = NULL; + if (bssid && !is_valid_ether_addr(bssid)) + return -EINVAL; + /* both automatic */ if (!bssid && !wdev->wext.ibss.bssid) return 0; diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c index 0553fd4d85a..092300b30c3 100644 --- a/net/wireless/mesh.c +++ b/net/wireless/mesh.c @@ -141,8 +141,7 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, for (i = 0; i < sband->n_channels; i++) { chan = &sband->channels[i]; - if (chan->flags & (IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | + if (chan->flags & (IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_DISABLED | IEEE80211_CHAN_RADAR)) continue; @@ -175,19 +174,15 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, scan_width); } - if (!cfg80211_reg_can_beacon(&rdev->wiphy, &setup->chandef)) + if (!cfg80211_reg_can_beacon(&rdev->wiphy, &setup->chandef, + NL80211_IFTYPE_MESH_POINT)) return -EINVAL; - err = cfg80211_can_use_chan(rdev, wdev, setup->chandef.chan, - CHAN_MODE_SHARED); - if (err) - return err; - err = rdev_join_mesh(rdev, dev, conf, setup); if (!err) { memcpy(wdev->ssid, setup->mesh_id, setup->mesh_id_len); wdev->mesh_id_len = setup->mesh_id_len; - wdev->channel = setup->chandef.chan; + wdev->chandef = setup->chandef; } return err; @@ -228,15 +223,10 @@ int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, if (!netif_running(wdev->netdev)) return -ENETDOWN; - err = cfg80211_can_use_chan(rdev, wdev, chandef->chan, - CHAN_MODE_SHARED); - if (err) - return err; - err = rdev_libertas_set_mesh_channel(rdev, wdev->netdev, chandef->chan); if (!err) - wdev->channel = chandef->chan; + wdev->chandef = *chandef; return err; } @@ -248,8 +238,8 @@ int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, return 0; } -static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, - struct net_device *dev) +int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, + struct net_device *dev) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; @@ -268,7 +258,8 @@ static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, err = rdev_leave_mesh(rdev, dev); if (!err) { wdev->mesh_id_len = 0; - wdev->channel = NULL; + memset(&wdev->chandef, 0, sizeof(wdev->chandef)); + rdev_set_qos_map(rdev, dev, NULL); } return err; diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 8d49c1ce3de..266766b8d80 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -23,7 +23,7 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; u8 *ie = mgmt->u.assoc_resp.variable; int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); @@ -54,7 +54,7 @@ EXPORT_SYMBOL(cfg80211_rx_assoc_resp); static void cfg80211_process_auth(struct wireless_dev *wdev, const u8 *buf, size_t len) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); nl80211_send_rx_auth(rdev, wdev->netdev, buf, len, GFP_KERNEL); cfg80211_sme_rx_auth(wdev, buf, len); @@ -63,7 +63,7 @@ static void cfg80211_process_auth(struct wireless_dev *wdev, static void cfg80211_process_deauth(struct wireless_dev *wdev, const u8 *buf, size_t len) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; const u8 *bssid = mgmt->bssid; u16 reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); @@ -82,7 +82,7 @@ static void cfg80211_process_deauth(struct wireless_dev *wdev, static void cfg80211_process_disassoc(struct wireless_dev *wdev, const u8 *buf, size_t len) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; const u8 *bssid = mgmt->bssid; u16 reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); @@ -123,7 +123,7 @@ void cfg80211_auth_timeout(struct net_device *dev, const u8 *addr) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); trace_cfg80211_send_auth_timeout(dev, addr); @@ -136,7 +136,7 @@ void cfg80211_assoc_timeout(struct net_device *dev, struct cfg80211_bss *bss) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); trace_cfg80211_send_assoc_timeout(dev, bss->bssid); @@ -172,7 +172,7 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, const u8 *tsc, gfp_t gfp) { struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); #ifdef CONFIG_CFG80211_WEXT union iwreq_data wrqu; char *buf = kmalloc(128, gfp); @@ -233,14 +233,8 @@ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, if (!req.bss) return -ENOENT; - err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, - CHAN_MODE_SHARED); - if (err) - goto out; - err = rdev_auth(rdev, dev, &req); -out: cfg80211_put_bss(&rdev->wiphy, req.bss); return err; } @@ -306,16 +300,10 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, if (!req->bss) return -ENOENT; - err = cfg80211_can_use_chan(rdev, wdev, chan, CHAN_MODE_SHARED); - if (err) - goto out; - err = rdev_assoc(rdev, dev, req); if (!err) cfg80211_hold_bss(bss_from_pub(req->bss)); - -out: - if (err) + else cfg80211_put_bss(&rdev->wiphy, req->bss); return err; @@ -414,7 +402,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid, int match_len) { struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct cfg80211_mgmt_registration *reg, *nreg; int err = 0; u16 mgmt_type; @@ -473,7 +461,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid, void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlportid) { struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct cfg80211_mgmt_registration *reg, *tmp; spin_lock_bh(&wdev->mgmt_registrations_lock); @@ -520,9 +508,7 @@ void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, - struct ieee80211_channel *chan, bool offchan, - unsigned int wait, const u8 *buf, size_t len, - bool no_cck, bool dont_wait_for_ack, u64 *cookie) + struct cfg80211_mgmt_tx_params *params, u64 *cookie) { const struct ieee80211_mgmt *mgmt; u16 stype; @@ -533,10 +519,10 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, if (!rdev->ops->mgmt_tx) return -EOPNOTSUPP; - if (len < 24 + 1) + if (params->len < 24 + 1) return -EINVAL; - mgmt = (const struct ieee80211_mgmt *) buf; + mgmt = (const struct ieee80211_mgmt *)params->buf; if (!ieee80211_is_mgmt(mgmt->frame_control)) return -EINVAL; @@ -615,16 +601,14 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, return -EINVAL; /* Transmit the Action frame as requested by user space */ - return rdev_mgmt_tx(rdev, wdev, chan, offchan, - wait, buf, len, no_cck, dont_wait_for_ack, - cookie); + return rdev_mgmt_tx(rdev, wdev, params, cookie); } bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm, const u8 *buf, size_t len, u32 flags, gfp_t gfp) { struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct cfg80211_mgmt_registration *reg; const struct ieee80211_txrx_stypes *stypes = &wiphy->mgmt_stypes[wdev->iftype]; @@ -707,11 +691,13 @@ void cfg80211_dfs_channels_update_work(struct work_struct *work) if (c->dfs_state != NL80211_DFS_UNAVAILABLE) continue; - timeout = c->dfs_state_entered + - IEEE80211_DFS_MIN_NOP_TIME_MS; + timeout = c->dfs_state_entered + msecs_to_jiffies( + IEEE80211_DFS_MIN_NOP_TIME_MS); if (time_after_eq(jiffies, timeout)) { c->dfs_state = NL80211_DFS_USABLE; + c->dfs_state_entered = jiffies; + cfg80211_chandef_create(&chandef, c, NL80211_CHAN_NO_HT); @@ -741,7 +727,7 @@ void cfg80211_radar_event(struct wiphy *wiphy, struct cfg80211_chan_def *chandef, gfp_t gfp) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); unsigned long timeout; trace_cfg80211_radar_event(wiphy, chandef); @@ -761,12 +747,12 @@ void cfg80211_radar_event(struct wiphy *wiphy, EXPORT_SYMBOL(cfg80211_radar_event); void cfg80211_cac_event(struct net_device *netdev, + const struct cfg80211_chan_def *chandef, enum nl80211_radar_event event, gfp_t gfp) { struct wireless_dev *wdev = netdev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - struct cfg80211_chan_def chandef; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); unsigned long timeout; trace_cfg80211_cac_event(netdev, event); @@ -774,17 +760,15 @@ void cfg80211_cac_event(struct net_device *netdev, if (WARN_ON(!wdev->cac_started)) return; - if (WARN_ON(!wdev->channel)) + if (WARN_ON(!wdev->chandef.chan)) return; - cfg80211_chandef_create(&chandef, wdev->channel, NL80211_CHAN_NO_HT); - switch (event) { case NL80211_RADAR_CAC_FINISHED: timeout = wdev->cac_start_time + - msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS); + msecs_to_jiffies(wdev->cac_time_ms); WARN_ON(!time_after_eq(jiffies, timeout)); - cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_AVAILABLE); + cfg80211_set_dfs_state(wiphy, chandef, NL80211_DFS_AVAILABLE); break; case NL80211_RADAR_CAC_ABORTED: break; @@ -794,6 +778,6 @@ void cfg80211_cac_event(struct net_device *netdev, } wdev->cac_started = false; - nl80211_radar_notify(rdev, &chandef, event, netdev, gfp); + nl80211_radar_notify(rdev, chandef, event, netdev, gfp); } EXPORT_SYMBOL(cfg80211_cac_event); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 626dc3b5fd8..6668daf6932 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -30,9 +30,9 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, struct cfg80211_crypto_settings *settings, int cipher_limit); -static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, +static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, struct genl_info *info); -static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, +static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, struct genl_info *info); /* the netlink family */ @@ -47,6 +47,27 @@ static struct genl_family nl80211_fam = { .post_doit = nl80211_post_doit, }; +/* multicast groups */ +enum nl80211_multicast_groups { + NL80211_MCGRP_CONFIG, + NL80211_MCGRP_SCAN, + NL80211_MCGRP_REGULATORY, + NL80211_MCGRP_MLME, + NL80211_MCGRP_VENDOR, + NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ +}; + +static const struct genl_multicast_group nl80211_mcgrps[] = { + [NL80211_MCGRP_CONFIG] = { .name = "config", }, + [NL80211_MCGRP_SCAN] = { .name = "scan", }, + [NL80211_MCGRP_REGULATORY] = { .name = "regulatory", }, + [NL80211_MCGRP_MLME] = { .name = "mlme", }, + [NL80211_MCGRP_VENDOR] = { .name = "vendor", }, +#ifdef CONFIG_NL80211_TESTMODE + [NL80211_MCGRP_TESTMODE] = { .name = "testmode", } +#endif +}; + /* returns ERR_PTR values */ static struct wireless_dev * __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) @@ -144,16 +165,14 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) if (attrs[NL80211_ATTR_IFINDEX]) { int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); - netdev = dev_get_by_index(netns, ifindex); + netdev = __dev_get_by_index(netns, ifindex); if (netdev) { if (netdev->ieee80211_ptr) - tmp = wiphy_to_dev( - netdev->ieee80211_ptr->wiphy); + tmp = wiphy_to_rdev( + netdev->ieee80211_ptr->wiphy); else tmp = NULL; - dev_put(netdev); - /* not wireless device -- return error */ if (!tmp) return ERR_PTR(-EINVAL); @@ -352,8 +371,22 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, - [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_U16 }, - [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_U16 }, + [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, + [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, + [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, + [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, + [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, + [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, + [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, + [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, + [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, + [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, + .len = IEEE80211_QOS_MAP_LEN_MAX }, + [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, + [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, + [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, + [NL80211_ATTR_IFACE_SOCKET_OWNER] = { .type = NLA_FLAG }, + [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, }; /* policy for the key attributes */ @@ -453,7 +486,7 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb, err = PTR_ERR(*wdev); goto out_unlock; } - *rdev = wiphy_to_dev((*wdev)->wiphy); + *rdev = wiphy_to_rdev((*wdev)->wiphy); /* 0 is the first index - add 1 to parse only once */ cb->args[0] = (*rdev)->wiphy_idx + 1; cb->args[1] = (*wdev)->identifier; @@ -466,7 +499,7 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb, err = -ENODEV; goto out_unlock; } - *rdev = wiphy_to_dev(wiphy); + *rdev = wiphy_to_rdev(wiphy); *wdev = NULL; list_for_each_entry(tmp, &(*rdev)->wdev_list, list) { @@ -535,6 +568,13 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct ieee80211_channel *chan, bool large) { + /* Some channels must be completely excluded from the + * list to protect old user-space tools from breaking + */ + if (!large && chan->flags & + (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) + return 0; + if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, chan->center_freq)) goto nla_put_failure; @@ -542,12 +582,12 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, if ((chan->flags & IEEE80211_CHAN_DISABLED) && nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) goto nla_put_failure; - if ((chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) && - nla_put_flag(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN)) - goto nla_put_failure; - if ((chan->flags & IEEE80211_CHAN_NO_IBSS) && - nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS)) - goto nla_put_failure; + if (chan->flags & IEEE80211_CHAN_NO_IR) { + if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) + goto nla_put_failure; + if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) + goto nla_put_failure; + } if (chan->flags & IEEE80211_CHAN_RADAR) { if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) goto nla_put_failure; @@ -562,6 +602,10 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, time)) goto nla_put_failure; + if (nla_put_u32(msg, + NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, + chan->dfs_cac_ms)) + goto nla_put_failure; } } @@ -578,6 +622,18 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) goto nla_put_failure; + 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)) + goto nla_put_failure; + if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) + goto nla_put_failure; + if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && + nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) + goto nla_put_failure; } if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, @@ -827,6 +883,19 @@ static int nl80211_key_allowed(struct wireless_dev *wdev) return 0; } +static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, + struct nlattr *tb) +{ + struct ieee80211_channel *chan; + + if (tb == NULL) + return NULL; + chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); + if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) + return NULL; + return chan; +} + static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) { struct nlattr *nl_modes = nla_nest_start(msg, attr); @@ -902,8 +971,10 @@ static int nl80211_put_iface_combinations(struct wiphy *wiphy, c->max_interfaces)) goto nla_put_failure; if (large && - nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, - c->radar_detect_widths)) + (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, + c->radar_detect_widths) || + nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, + c->radar_detect_regions))) goto nla_put_failure; nla_nest_end(msg, nl_combi); @@ -958,42 +1029,42 @@ static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, } static int nl80211_send_wowlan(struct sk_buff *msg, - struct cfg80211_registered_device *dev, + struct cfg80211_registered_device *rdev, bool large) { struct nlattr *nl_wowlan; - if (!dev->wiphy.wowlan) + if (!rdev->wiphy.wowlan) return 0; nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); if (!nl_wowlan) return -ENOBUFS; - if (((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && + if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || - ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && + ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || - ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && + ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || - ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && + ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || - ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && + ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || - ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && + ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || - ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && + ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || - ((dev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && + ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) return -ENOBUFS; - if (dev->wiphy.wowlan->n_patterns) { + if (rdev->wiphy.wowlan->n_patterns) { struct nl80211_pattern_support pat = { - .max_patterns = dev->wiphy.wowlan->n_patterns, - .min_pattern_len = dev->wiphy.wowlan->pattern_min_len, - .max_pattern_len = dev->wiphy.wowlan->pattern_max_len, - .max_pkt_offset = dev->wiphy.wowlan->max_pkt_offset, + .max_patterns = rdev->wiphy.wowlan->n_patterns, + .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, + .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, + .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, }; if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, @@ -1001,7 +1072,7 @@ static int nl80211_send_wowlan(struct sk_buff *msg, return -ENOBUFS; } - if (large && nl80211_send_wowlan_tcp_caps(dev, msg)) + if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) return -ENOBUFS; nla_nest_end(msg, nl_wowlan); @@ -1011,19 +1082,19 @@ static int nl80211_send_wowlan(struct sk_buff *msg, #endif static int nl80211_send_coalesce(struct sk_buff *msg, - struct cfg80211_registered_device *dev) + struct cfg80211_registered_device *rdev) { struct nl80211_coalesce_rule_support rule; - if (!dev->wiphy.coalesce) + if (!rdev->wiphy.coalesce) return 0; - rule.max_rules = dev->wiphy.coalesce->n_rules; - rule.max_delay = dev->wiphy.coalesce->max_delay; - rule.pat.max_patterns = dev->wiphy.coalesce->n_patterns; - rule.pat.min_pattern_len = dev->wiphy.coalesce->pattern_min_len; - rule.pat.max_pattern_len = dev->wiphy.coalesce->pattern_max_len; - rule.pat.max_pkt_offset = dev->wiphy.coalesce->max_pkt_offset; + rule.max_rules = rdev->wiphy.coalesce->n_rules; + rule.max_delay = rdev->wiphy.coalesce->max_delay; + rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; + rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; + rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; + rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) return -ENOBUFS; @@ -1154,7 +1225,8 @@ struct nl80211_dump_wiphy_state { bool split; }; -static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, +static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, + enum nl80211_commands cmd, struct sk_buff *msg, u32 portid, u32 seq, int flags, struct nl80211_dump_wiphy_state *state) { @@ -1166,103 +1238,102 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, struct ieee80211_channel *chan; int i; const struct ieee80211_txrx_stypes *mgmt_stypes = - dev->wiphy.mgmt_stypes; + rdev->wiphy.mgmt_stypes; u32 features; - hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY); + hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); if (!hdr) return -ENOBUFS; if (WARN_ON(!state)) return -EINVAL; - if (nla_put_u32(msg, NL80211_ATTR_WIPHY, dev->wiphy_idx) || + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, - wiphy_name(&dev->wiphy)) || + wiphy_name(&rdev->wiphy)) || nla_put_u32(msg, NL80211_ATTR_GENERATION, cfg80211_rdev_list_generation)) goto nla_put_failure; + if (cmd != NL80211_CMD_NEW_WIPHY) + goto finish; + switch (state->split_start) { case 0: if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, - dev->wiphy.retry_short) || + rdev->wiphy.retry_short) || nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, - dev->wiphy.retry_long) || + rdev->wiphy.retry_long) || nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, - dev->wiphy.frag_threshold) || + rdev->wiphy.frag_threshold) || nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, - dev->wiphy.rts_threshold) || + rdev->wiphy.rts_threshold) || nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, - dev->wiphy.coverage_class) || + rdev->wiphy.coverage_class) || nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, - dev->wiphy.max_scan_ssids) || + rdev->wiphy.max_scan_ssids) || nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, - dev->wiphy.max_sched_scan_ssids) || + rdev->wiphy.max_sched_scan_ssids) || nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, - dev->wiphy.max_scan_ie_len) || + rdev->wiphy.max_scan_ie_len) || nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, - dev->wiphy.max_sched_scan_ie_len) || + rdev->wiphy.max_sched_scan_ie_len) || nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, - dev->wiphy.max_match_sets)) + rdev->wiphy.max_match_sets)) goto nla_put_failure; - if ((dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && + if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) goto nla_put_failure; - if ((dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && + if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) goto nla_put_failure; - if ((dev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && + if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) goto nla_put_failure; - if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && + if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) goto nla_put_failure; - if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && + if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) goto nla_put_failure; - if ((dev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && + if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) goto nla_put_failure; - if ((dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && - nla_put_flag(msg, WIPHY_FLAG_SUPPORTS_5_10_MHZ)) - goto nla_put_failure; - state->split_start++; if (state->split) break; case 1: if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, - sizeof(u32) * dev->wiphy.n_cipher_suites, - dev->wiphy.cipher_suites)) + sizeof(u32) * rdev->wiphy.n_cipher_suites, + rdev->wiphy.cipher_suites)) goto nla_put_failure; if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, - dev->wiphy.max_num_pmkids)) + rdev->wiphy.max_num_pmkids)) goto nla_put_failure; - if ((dev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && + if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) goto nla_put_failure; if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, - dev->wiphy.available_antennas_tx) || + rdev->wiphy.available_antennas_tx) || nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, - dev->wiphy.available_antennas_rx)) + rdev->wiphy.available_antennas_rx)) goto nla_put_failure; - if ((dev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && + if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, - dev->wiphy.probe_resp_offload)) + rdev->wiphy.probe_resp_offload)) goto nla_put_failure; - if ((dev->wiphy.available_antennas_tx || - dev->wiphy.available_antennas_rx) && - dev->ops->get_antenna) { + if ((rdev->wiphy.available_antennas_tx || + rdev->wiphy.available_antennas_rx) && + rdev->ops->get_antenna) { u32 tx_ant = 0, rx_ant = 0; int res; - res = rdev_get_antenna(dev, &tx_ant, &rx_ant); + res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); if (!res) { if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, @@ -1279,7 +1350,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, break; case 2: if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, - dev->wiphy.interface_modes)) + rdev->wiphy.interface_modes)) goto nla_put_failure; state->split_start++; if (state->split) @@ -1293,7 +1364,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, band < IEEE80211_NUM_BANDS; band++) { struct ieee80211_supported_band *sband; - sband = dev->wiphy.bands[band]; + sband = rdev->wiphy.bands[band]; if (!sband) continue; @@ -1370,7 +1441,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, i = 0; #define CMD(op, n) \ do { \ - if (dev->ops->op) { \ + if (rdev->ops->op) { \ i++; \ if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ goto nla_put_failure; \ @@ -1394,58 +1465,58 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, CMD(set_pmksa, SET_PMKSA); CMD(del_pmksa, DEL_PMKSA); CMD(flush_pmksa, FLUSH_PMKSA); - if (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) + if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) CMD(remain_on_channel, REMAIN_ON_CHANNEL); CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); CMD(mgmt_tx, FRAME); CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); - if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { + if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { i++; if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) goto nla_put_failure; } - if (dev->ops->set_monitor_channel || dev->ops->start_ap || - dev->ops->join_mesh) { + if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || + rdev->ops->join_mesh) { i++; if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) goto nla_put_failure; } CMD(set_wds_peer, SET_WDS_PEER); - if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { + if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { CMD(tdls_mgmt, TDLS_MGMT); CMD(tdls_oper, TDLS_OPER); } - if (dev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) + if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) CMD(sched_scan_start, START_SCHED_SCAN); CMD(probe_client, PROBE_CLIENT); CMD(set_noack_map, SET_NOACK_MAP); - if (dev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { + if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { i++; if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) goto nla_put_failure; } CMD(start_p2p_device, START_P2P_DEVICE); CMD(set_mcast_rate, SET_MCAST_RATE); +#ifdef CONFIG_NL80211_TESTMODE + CMD(testmode_cmd, TESTMODE); +#endif if (state->split) { CMD(crit_proto_start, CRIT_PROTOCOL_START); CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); - if (dev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) + if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) CMD(channel_switch, CHANNEL_SWITCH); + CMD(set_qos_map, SET_QOS_MAP); } - -#ifdef CONFIG_NL80211_TESTMODE - CMD(testmode_cmd, TESTMODE); -#endif - + /* add into the if now */ #undef CMD - if (dev->ops->connect || dev->ops->auth) { + if (rdev->ops->connect || rdev->ops->auth) { i++; if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) goto nla_put_failure; } - if (dev->ops->disconnect || dev->ops->deauth) { + if (rdev->ops->disconnect || rdev->ops->deauth) { i++; if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) goto nla_put_failure; @@ -1456,14 +1527,14 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, if (state->split) break; case 5: - if (dev->ops->remain_on_channel && - (dev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && + if (rdev->ops->remain_on_channel && + (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && nla_put_u32(msg, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, - dev->wiphy.max_remain_on_channel_duration)) + rdev->wiphy.max_remain_on_channel_duration)) goto nla_put_failure; - if ((dev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && + if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) goto nla_put_failure; @@ -1474,7 +1545,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, break; case 6: #ifdef CONFIG_PM - if (nl80211_send_wowlan(msg, dev, state->split)) + if (nl80211_send_wowlan(msg, rdev, state->split)) goto nla_put_failure; state->split_start++; if (state->split) @@ -1484,10 +1555,10 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, #endif case 7: if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, - dev->wiphy.software_iftypes)) + rdev->wiphy.software_iftypes)) goto nla_put_failure; - if (nl80211_put_iface_combinations(&dev->wiphy, msg, + if (nl80211_put_iface_combinations(&rdev->wiphy, msg, state->split)) goto nla_put_failure; @@ -1495,12 +1566,12 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, if (state->split) break; case 8: - if ((dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && + if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, - dev->wiphy.ap_sme_capa)) + rdev->wiphy.ap_sme_capa)) goto nla_put_failure; - features = dev->wiphy.features; + features = rdev->wiphy.features; /* * We can only add the per-channel limit information if the * dump is split, otherwise it makes it too big. Therefore @@ -1511,16 +1582,16 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) goto nla_put_failure; - if (dev->wiphy.ht_capa_mod_mask && + if (rdev->wiphy.ht_capa_mod_mask && nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, - sizeof(*dev->wiphy.ht_capa_mod_mask), - dev->wiphy.ht_capa_mod_mask)) + sizeof(*rdev->wiphy.ht_capa_mod_mask), + rdev->wiphy.ht_capa_mod_mask)) goto nla_put_failure; - if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && - dev->wiphy.max_acl_mac_addrs && + if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && + rdev->wiphy.max_acl_mac_addrs && nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, - dev->wiphy.max_acl_mac_addrs)) + rdev->wiphy.max_acl_mac_addrs)) goto nla_put_failure; /* @@ -1536,31 +1607,85 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev, state->split_start++; break; case 9: - if (dev->wiphy.extended_capabilities && + if (rdev->wiphy.extended_capabilities && (nla_put(msg, NL80211_ATTR_EXT_CAPA, - dev->wiphy.extended_capabilities_len, - dev->wiphy.extended_capabilities) || + rdev->wiphy.extended_capabilities_len, + rdev->wiphy.extended_capabilities) || nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, - dev->wiphy.extended_capabilities_len, - dev->wiphy.extended_capabilities_mask))) + rdev->wiphy.extended_capabilities_len, + rdev->wiphy.extended_capabilities_mask))) goto nla_put_failure; - if (dev->wiphy.vht_capa_mod_mask && + if (rdev->wiphy.vht_capa_mod_mask && nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, - sizeof(*dev->wiphy.vht_capa_mod_mask), - dev->wiphy.vht_capa_mod_mask)) + sizeof(*rdev->wiphy.vht_capa_mod_mask), + rdev->wiphy.vht_capa_mod_mask)) goto nla_put_failure; state->split_start++; break; case 10: - if (nl80211_send_coalesce(msg, dev)) + if (nl80211_send_coalesce(msg, rdev)) + goto nla_put_failure; + + if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && + (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || + nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) + goto nla_put_failure; + + if (rdev->wiphy.max_ap_assoc_sta && + nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, + rdev->wiphy.max_ap_assoc_sta)) + goto nla_put_failure; + + state->split_start++; + break; + case 11: + if (rdev->wiphy.n_vendor_commands) { + const struct nl80211_vendor_cmd_info *info; + struct nlattr *nested; + + nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); + if (!nested) + goto nla_put_failure; + + for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { + info = &rdev->wiphy.vendor_commands[i].info; + if (nla_put(msg, i + 1, sizeof(*info), info)) + goto nla_put_failure; + } + nla_nest_end(msg, nested); + } + + if (rdev->wiphy.n_vendor_events) { + const struct nl80211_vendor_cmd_info *info; + struct nlattr *nested; + + nested = nla_nest_start(msg, + NL80211_ATTR_VENDOR_EVENTS); + if (!nested) + goto nla_put_failure; + + for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { + info = &rdev->wiphy.vendor_events[i]; + if (nla_put(msg, i + 1, sizeof(*info), info)) + goto nla_put_failure; + } + nla_nest_end(msg, nested); + } + state->split_start++; + break; + case 12: + if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && + nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, + rdev->wiphy.max_num_csa_counters)) goto nla_put_failure; /* done */ state->split_start = 0; break; } + finish: return genlmsg_end(msg, hdr); nla_put_failure: @@ -1589,15 +1714,14 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb, struct cfg80211_registered_device *rdev; int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); - netdev = dev_get_by_index(sock_net(skb->sk), ifidx); + netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); if (!netdev) return -ENODEV; if (netdev->ieee80211_ptr) { - rdev = wiphy_to_dev( + rdev = wiphy_to_rdev( netdev->ieee80211_ptr->wiphy); state->filter_wiphy = rdev->wiphy_idx; } - dev_put(netdev); } return 0; @@ -1607,7 +1731,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) { int idx = 0, ret; struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; - struct cfg80211_registered_device *dev; + struct cfg80211_registered_device *rdev; rtnl_lock(); if (!state) { @@ -1626,17 +1750,18 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) cb->args[0] = (long)state; } - list_for_each_entry(dev, &cfg80211_rdev_list, list) { - if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk))) + list_for_each_entry(rdev, &cfg80211_rdev_list, list) { + if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) continue; if (++idx <= state->start) continue; if (state->filter_wiphy != -1 && - state->filter_wiphy != dev->wiphy_idx) + state->filter_wiphy != rdev->wiphy_idx) continue; /* attempt to fit multiple wiphy data chunks into the skb */ do { - ret = nl80211_send_wiphy(dev, skb, + ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, + skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, state); @@ -1655,9 +1780,10 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) * We can then retry with the larger buffer. */ if ((ret == -ENOBUFS || ret == -EMSGSIZE) && - !skb->len && + !skb->len && !state->split && cb->min_dump_alloc < 4096) { cb->min_dump_alloc = 4096; + state->split_start = 0; rtnl_unlock(); return 1; } @@ -1683,14 +1809,15 @@ static int nl80211_dump_wiphy_done(struct netlink_callback *cb) static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) { struct sk_buff *msg; - struct cfg80211_registered_device *dev = info->user_ptr[0]; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct nl80211_dump_wiphy_state state = {}; msg = nlmsg_new(4096, GFP_KERNEL); if (!msg) return -ENOMEM; - if (nl80211_send_wiphy(dev, msg, info->snd_portid, info->snd_seq, 0, + if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, + info->snd_portid, info->snd_seq, 0, &state) < 0) { nlmsg_free(msg); return -ENOBUFS; @@ -1817,18 +1944,20 @@ static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, } static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, + struct net_device *dev, struct genl_info *info) { struct cfg80211_chan_def chandef; int result; enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; + struct wireless_dev *wdev = NULL; - if (wdev) - iftype = wdev->iftype; - + if (dev) + wdev = dev->ieee80211_ptr; if (!nl80211_can_set_dev_channel(wdev)) return -EOPNOTSUPP; + if (wdev) + iftype = wdev->iftype; result = nl80211_parse_chandef(rdev, info, &chandef); if (result) @@ -1837,14 +1966,27 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, switch (iftype) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: - if (wdev->beacon_interval) { - result = -EBUSY; - break; - } - if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef)) { + if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, iftype)) { result = -EINVAL; break; } + if (wdev->beacon_interval) { + if (!dev || !rdev->ops->set_ap_chanwidth || + !(rdev->wiphy.features & + NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { + result = -EBUSY; + break; + } + + /* Only allow dynamic channel width changes */ + if (chandef.chan != wdev->preset_chandef.chan) { + result = -EBUSY; + break; + } + result = rdev_set_ap_chanwidth(rdev, dev, &chandef); + if (result) + break; + } wdev->preset_chandef = chandef; result = 0; break; @@ -1866,7 +2008,7 @@ static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct net_device *netdev = info->user_ptr[1]; - return __nl80211_set_channel(rdev, netdev->ieee80211_ptr, info); + return __nl80211_set_channel(rdev, netdev, info); } static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) @@ -1920,9 +2062,9 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_IFINDEX]) { int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); - netdev = dev_get_by_index(genl_info_net(info), ifindex); + netdev = __dev_get_by_index(genl_info_net(info), ifindex); if (netdev && netdev->ieee80211_ptr) - rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy); + rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); else netdev = NULL; } @@ -1948,57 +2090,52 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); if (result) - goto bad_res; + return result; if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { struct ieee80211_txq_params txq_params; struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; - if (!rdev->ops->set_txq_params) { - result = -EOPNOTSUPP; - goto bad_res; - } + if (!rdev->ops->set_txq_params) + return -EOPNOTSUPP; - if (!netdev) { - result = -EINVAL; - goto bad_res; - } + if (!netdev) + return -EINVAL; if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { - result = -EINVAL; - goto bad_res; - } + netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + return -EINVAL; - if (!netif_running(netdev)) { - result = -ENETDOWN; - goto bad_res; - } + if (!netif_running(netdev)) + return -ENETDOWN; nla_for_each_nested(nl_txq_params, info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], rem_txq_params) { - nla_parse(tb, NL80211_TXQ_ATTR_MAX, - nla_data(nl_txq_params), - nla_len(nl_txq_params), - txq_params_policy); + result = nla_parse(tb, NL80211_TXQ_ATTR_MAX, + nla_data(nl_txq_params), + nla_len(nl_txq_params), + txq_params_policy); + if (result) + return result; result = parse_txq_params(tb, &txq_params); if (result) - goto bad_res; + return result; result = rdev_set_txq_params(rdev, netdev, &txq_params); if (result) - goto bad_res; + return result; } } if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { - result = __nl80211_set_channel(rdev, - nl80211_can_set_dev_channel(wdev) ? wdev : NULL, - info); + result = __nl80211_set_channel( + rdev, + nl80211_can_set_dev_channel(wdev) ? netdev : NULL, + info); if (result) - goto bad_res; + return result; } if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { @@ -2009,19 +2146,15 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) txp_wdev = NULL; - if (!rdev->ops->set_tx_power) { - result = -EOPNOTSUPP; - goto bad_res; - } + if (!rdev->ops->set_tx_power) + return -EOPNOTSUPP; idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; type = nla_get_u32(info->attrs[idx]); if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && - (type != NL80211_TX_POWER_AUTOMATIC)) { - result = -EINVAL; - goto bad_res; - } + (type != NL80211_TX_POWER_AUTOMATIC)) + return -EINVAL; if (type != NL80211_TX_POWER_AUTOMATIC) { idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; @@ -2030,7 +2163,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); if (result) - goto bad_res; + return result; } if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && @@ -2038,10 +2171,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) u32 tx_ant, rx_ant; if ((!rdev->wiphy.available_antennas_tx && !rdev->wiphy.available_antennas_rx) || - !rdev->ops->set_antenna) { - result = -EOPNOTSUPP; - goto bad_res; - } + !rdev->ops->set_antenna) + return -EOPNOTSUPP; tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); @@ -2049,17 +2180,15 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) /* reject antenna configurations which don't match the * available antenna masks, except for the "all" mask */ if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || - (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { - result = -EINVAL; - goto bad_res; - } + (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) + return -EINVAL; tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; result = rdev_set_antenna(rdev, tx_ant, rx_ant); if (result) - goto bad_res; + return result; } changed = 0; @@ -2067,30 +2196,27 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { retry_short = nla_get_u8( info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); - if (retry_short == 0) { - result = -EINVAL; - goto bad_res; - } + if (retry_short == 0) + return -EINVAL; + changed |= WIPHY_PARAM_RETRY_SHORT; } if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { retry_long = nla_get_u8( info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); - if (retry_long == 0) { - result = -EINVAL; - goto bad_res; - } + if (retry_long == 0) + return -EINVAL; + changed |= WIPHY_PARAM_RETRY_LONG; } if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { frag_threshold = nla_get_u32( info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); - if (frag_threshold < 256) { - result = -EINVAL; - goto bad_res; - } + if (frag_threshold < 256) + return -EINVAL; + if (frag_threshold != (u32) -1) { /* * Fragments (apart from the last one) are required to @@ -2120,10 +2246,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) u32 old_frag_threshold, old_rts_threshold; u8 old_coverage_class; - if (!rdev->ops->set_wiphy_params) { - result = -EOPNOTSUPP; - goto bad_res; - } + if (!rdev->ops->set_wiphy_params) + return -EOPNOTSUPP; old_retry_short = rdev->wiphy.retry_short; old_retry_long = rdev->wiphy.retry_long; @@ -2151,21 +2275,17 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) rdev->wiphy.coverage_class = old_coverage_class; } } - - bad_res: - if (netdev) - dev_put(netdev); - return result; + return 0; } static inline u64 wdev_id(struct wireless_dev *wdev) { return (u64)wdev->identifier | - ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); + ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); } static int nl80211_send_chandef(struct sk_buff *msg, - struct cfg80211_chan_def *chandef) + const struct cfg80211_chan_def *chandef) { WARN_ON(!cfg80211_chandef_valid(chandef)); @@ -2287,7 +2407,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) { struct sk_buff *msg; - struct cfg80211_registered_device *dev = info->user_ptr[0]; + struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct wireless_dev *wdev = info->user_ptr[1]; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); @@ -2295,7 +2415,7 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) return -ENOMEM; if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, - dev, wdev) < 0) { + rdev, wdev) < 0) { nlmsg_free(msg); return -ENOBUFS; } @@ -2446,6 +2566,9 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; u32 flags; + /* to avoid failing a new interface creation due to pending removal */ + cfg80211_destroy_ifaces(rdev); + memset(¶ms, 0, sizeof(params)); if (!info->attrs[NL80211_ATTR_IFNAME]) @@ -2495,6 +2618,9 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) return PTR_ERR(wdev); } + if (info->attrs[NL80211_ATTR_IFACE_SOCKET_OWNER]) + wdev->owner_nlportid = info->snd_portid; + switch (type) { case NL80211_IFTYPE_MESH_POINT: if (!info->attrs[NL80211_ATTR_MESH_ID]) @@ -2665,7 +2791,7 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, NL80211_CMD_NEW_KEY); if (!hdr) - return -ENOBUFS; + goto nla_put_failure; cookie.msg = msg; cookie.idx = key_idx; @@ -3074,7 +3200,6 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_ap_settings params; int err; - u8 radar_detect_width = 0; if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) @@ -3190,38 +3315,26 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) } else if (!nl80211_get_ap_channel(rdev, ¶ms)) return -EINVAL; - if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) + if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, + wdev->iftype)) return -EINVAL; - err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); - if (err < 0) - return err; - if (err) { - radar_detect_width = BIT(params.chandef.width); - params.radar_required = true; - } - - err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, - params.chandef.chan, - CHAN_MODE_SHARED, - radar_detect_width); - if (err) - return err; - if (info->attrs[NL80211_ATTR_ACL_POLICY]) { params.acl = parse_acl_data(&rdev->wiphy, info); if (IS_ERR(params.acl)) return PTR_ERR(params.acl); } + wdev_lock(wdev); err = rdev_start_ap(rdev, dev, ¶ms); if (!err) { wdev->preset_chandef = params.chandef; wdev->beacon_interval = params.beacon_interval; - wdev->channel = params.chandef.chan; + wdev->chandef = params.chandef; wdev->ssid_len = params.ssid_len; memcpy(wdev->ssid, params.ssid, wdev->ssid_len); } + wdev_unlock(wdev); kfree(params.acl); @@ -3250,7 +3363,11 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) if (err) return err; - return rdev_change_beacon(rdev, dev, ¶ms); + wdev_lock(wdev); + err = rdev_change_beacon(rdev, dev, ¶ms); + wdev_unlock(wdev); + + return err; } static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) @@ -3258,7 +3375,7 @@ static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct net_device *dev = info->user_ptr[1]; - return cfg80211_stop_ap(rdev, dev); + return cfg80211_stop_ap(rdev, dev, false); } static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { @@ -3539,6 +3656,10 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq, nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED, sinfo->tx_failed)) goto nla_put_failure; + if ((sinfo->filled & STATION_INFO_EXPECTED_THROUGHPUT) && + nla_put_u32(msg, NL80211_STA_INFO_EXPECTED_THROUGHPUT, + sinfo->expected_throughput)) + goto nla_put_failure; if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) && nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS, sinfo->beacon_loss_count)) @@ -3601,13 +3722,13 @@ static int nl80211_dump_station(struct sk_buff *skb, struct netlink_callback *cb) { struct station_info sinfo; - struct cfg80211_registered_device *dev; + struct cfg80211_registered_device *rdev; struct wireless_dev *wdev; u8 mac_addr[ETH_ALEN]; int sta_idx = cb->args[2]; int err; - err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); + err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); if (err) return err; @@ -3616,14 +3737,14 @@ static int nl80211_dump_station(struct sk_buff *skb, goto out_err; } - if (!dev->ops->dump_station) { + if (!rdev->ops->dump_station) { err = -EOPNOTSUPP; goto out_err; } while (1) { memset(&sinfo, 0, sizeof(sinfo)); - err = rdev_dump_station(dev, wdev->netdev, sta_idx, + err = rdev_dump_station(rdev, wdev->netdev, sta_idx, mac_addr, &sinfo); if (err == -ENOENT) break; @@ -3633,7 +3754,7 @@ static int nl80211_dump_station(struct sk_buff *skb, if (nl80211_send_station(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, - dev, wdev->netdev, mac_addr, + rdev, wdev->netdev, mac_addr, &sinfo) < 0) goto out; @@ -3645,7 +3766,7 @@ static int nl80211_dump_station(struct sk_buff *skb, cb->args[2] = sta_idx; err = skb->len; out_err: - nl80211_finish_wdev_dump(dev); + nl80211_finish_wdev_dump(rdev); return err; } @@ -3856,8 +3977,8 @@ static struct net_device *get_vlan(struct genl_info *info, return ERR_PTR(ret); } -static struct nla_policy -nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { +static const struct nla_policy +nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, }; @@ -3896,9 +4017,45 @@ static int nl80211_parse_sta_wme(struct genl_info *info, return 0; } +static int nl80211_parse_sta_channel_info(struct genl_info *info, + struct station_parameters *params) +{ + if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { + params->supported_channels = + nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); + params->supported_channels_len = + nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); + /* + * Need to include at least one (first channel, number of + * channels) tuple for each subband, and must have proper + * tuples for the rest of the data as well. + */ + if (params->supported_channels_len < 2) + return -EINVAL; + if (params->supported_channels_len % 2) + return -EINVAL; + } + + if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { + params->supported_oper_classes = + nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); + params->supported_oper_classes_len = + nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); + /* + * The value of the Length field of the Supported Operating + * Classes element is between 2 and 253. + */ + if (params->supported_oper_classes_len < 2 || + params->supported_oper_classes_len > 253) + return -EINVAL; + } + return 0; +} + static int nl80211_set_station_tdls(struct genl_info *info, struct station_parameters *params) { + int err; /* Dummy STA entry gets updated once the peer capabilities are known */ if (info->attrs[NL80211_ATTR_PEER_AID]) params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); @@ -3909,6 +4066,10 @@ static int nl80211_set_station_tdls(struct genl_info *info, params->vht_capa = nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); + err = nl80211_parse_sta_channel_info(info, params); + if (err) + return err; + return nl80211_parse_sta_wme(info, params); } @@ -4082,6 +4243,12 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) params.vht_capa = nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); + if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { + params.opmode_notif_used = true; + params.opmode_notif = + nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); + } + if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { params.plink_action = nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); @@ -4089,6 +4256,10 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) return -EINVAL; } + err = nl80211_parse_sta_channel_info(info, ¶ms); + if (err) + return err; + err = nl80211_parse_sta_wme(info, ¶ms); if (err) return err; @@ -4256,18 +4427,18 @@ static int nl80211_dump_mpath(struct sk_buff *skb, struct netlink_callback *cb) { struct mpath_info pinfo; - struct cfg80211_registered_device *dev; + struct cfg80211_registered_device *rdev; struct wireless_dev *wdev; u8 dst[ETH_ALEN]; u8 next_hop[ETH_ALEN]; int path_idx = cb->args[2]; int err; - err = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); + err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); if (err) return err; - if (!dev->ops->dump_mpath) { + if (!rdev->ops->dump_mpath) { err = -EOPNOTSUPP; goto out_err; } @@ -4278,7 +4449,7 @@ static int nl80211_dump_mpath(struct sk_buff *skb, } while (1) { - err = rdev_dump_mpath(dev, wdev->netdev, path_idx, dst, + err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, next_hop, &pinfo); if (err == -ENOENT) break; @@ -4299,7 +4470,7 @@ static int nl80211_dump_mpath(struct sk_buff *skb, cb->args[2] = path_idx; err = skb->len; out_err: - nl80211_finish_wdev_dump(dev); + nl80211_finish_wdev_dump(rdev); return err; } @@ -4412,7 +4583,9 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct net_device *dev = info->user_ptr[1]; + struct wireless_dev *wdev = dev->ieee80211_ptr; struct bss_parameters params; + int err; memset(¶ms, 0, sizeof(params)); /* default to not changing parameters */ @@ -4478,7 +4651,11 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) return -EOPNOTSUPP; - return rdev_change_bss(rdev, dev, ¶ms); + wdev_lock(wdev); + err = rdev_change_bss(rdev, dev, ¶ms); + wdev_unlock(wdev); + + return err; } static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { @@ -4488,6 +4665,7 @@ static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, + [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, }; static int parse_reg_rule(struct nlattr *tb[], @@ -4523,12 +4701,15 @@ static int parse_reg_rule(struct nlattr *tb[], power_rule->max_antenna_gain = nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); + if (tb[NL80211_ATTR_DFS_CAC_TIME]) + reg_rule->dfs_cac_ms = + nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); + return 0; } static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) { - int r; char *data = NULL; enum nl80211_user_reg_hint_type user_reg_hint_type; @@ -4541,11 +4722,6 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) return -EINPROGRESS; - if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) - return -EINVAL; - - data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); - if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) user_reg_hint_type = nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); @@ -4555,14 +4731,16 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) switch (user_reg_hint_type) { case NL80211_USER_REG_HINT_USER: case NL80211_USER_REG_HINT_CELL_BASE: - break; + if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) + return -EINVAL; + + data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); + return regulatory_hint_user(data, user_reg_hint_type); + case NL80211_USER_REG_HINT_INDOOR: + return regulatory_hint_indoor_user(); default: return -EINVAL; } - - r = regulatory_hint_user(data, user_reg_hint_type); - - return r; } static int nl80211_get_mesh_config(struct sk_buff *skb, @@ -4984,6 +5162,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) const struct ieee80211_reg_rule *reg_rule; const struct ieee80211_freq_range *freq_range; const struct ieee80211_power_rule *power_rule; + unsigned int max_bandwidth_khz; reg_rule = ®dom->reg_rules[i]; freq_range = ®_rule->freq_range; @@ -4993,6 +5172,11 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) if (!nl_reg_rule) goto nla_put_failure_rcu; + max_bandwidth_khz = freq_range->max_bandwidth_khz; + if (!max_bandwidth_khz) + max_bandwidth_khz = reg_get_max_bandwidth(regdom, + reg_rule); + if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, reg_rule->flags) || nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, @@ -5000,11 +5184,13 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, freq_range->end_freq_khz) || nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, - freq_range->max_bandwidth_khz) || + max_bandwidth_khz) || nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, power_rule->max_antenna_gain) || nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, - power_rule->max_eirp)) + power_rule->max_eirp) || + nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, + reg_rule->dfs_cac_ms)) goto nla_put_failure_rcu; nla_nest_end(msg, nl_reg_rule); @@ -5032,7 +5218,7 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) char *alpha2 = NULL; int rem_reg_rules = 0, r = 0; u32 num_rules = 0, rule_idx = 0, size_of_regd; - u8 dfs_region = 0; + enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; struct ieee80211_regdomain *rd = NULL; if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) @@ -5053,6 +5239,9 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) return -EINVAL; } + if (!reg_is_valid_request(alpha2)) + return -EINVAL; + size_of_regd = sizeof(struct ieee80211_regdomain) + num_rules * sizeof(struct ieee80211_reg_rule); @@ -5073,9 +5262,11 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], rem_reg_rules) { - nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, - nla_data(nl_reg_rule), nla_len(nl_reg_rule), - reg_rule_policy); + r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX, + nla_data(nl_reg_rule), nla_len(nl_reg_rule), + reg_rule_policy); + if (r) + goto bad_reg; r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); if (r) goto bad_reg; @@ -5140,7 +5331,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) if (!rdev->ops->scan) return -EOPNOTSUPP; - if (rdev->scan_req) { + if (rdev->scan_req || rdev->scan_msg) { err = -EBUSY; goto unlock; } @@ -5153,12 +5344,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) goto unlock; } } else { - enum ieee80211_band band; - n_channels = 0; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) - if (wiphy->bands[band]) - n_channels += wiphy->bands[band]->n_channels; + n_channels = ieee80211_get_num_supported_channels(wiphy); } if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) @@ -5283,6 +5469,10 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) err = -EINVAL; goto out_free; } + + if (!wiphy->bands[band]) + continue; + err = ieee80211_get_ratemask(wiphy->bands[band], nla_data(attr), nla_len(attr), @@ -5295,10 +5485,8 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { request->flags = nla_get_u32( info->attrs[NL80211_ATTR_SCAN_FLAGS]); - if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && - !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || - ((request->flags & NL80211_SCAN_FLAG_FLUSH) && - !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { + if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && + !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { err = -EOPNOTSUPP; goto out_free; } @@ -5341,6 +5529,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, enum ieee80211_band band; size_t ie_len; struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; + s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) || !rdev->ops->sched_scan_start) @@ -5364,11 +5553,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, if (!n_channels) return -EINVAL; } else { - n_channels = 0; - - for (band = 0; band < IEEE80211_NUM_BANDS; band++) - if (wiphy->bands[band]) - n_channels += wiphy->bands[band]->n_channels; + n_channels = ieee80211_get_num_supported_channels(wiphy); } if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) @@ -5379,11 +5564,40 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, if (n_ssids > wiphy->max_sched_scan_ssids) return -EINVAL; - if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) + /* + * First, count the number of 'real' matchsets. Due to an issue with + * the old implementation, matchsets containing only the RSSI attribute + * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' + * RSSI for all matchsets, rather than their own matchset for reporting + * all APs with a strong RSSI. This is needed to be compatible with + * older userspace that treated a matchset with only the RSSI as the + * global RSSI for all other matchsets - if there are other matchsets. + */ + if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], - tmp) - n_match_sets++; + tmp) { + struct nlattr *rssi; + + err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, + nla_data(attr), nla_len(attr), + nl80211_match_policy); + if (err) + return err; + /* add other standalone attributes here */ + if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) { + n_match_sets++; + continue; + } + rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; + if (rssi) + default_match_rssi = nla_get_s32(rssi); + } + } + + /* However, if there's no other matchset, add the RSSI one */ + if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) + n_match_sets = 1; if (n_match_sets > wiphy->max_match_sets) return -EINVAL; @@ -5504,11 +5718,22 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, tmp) { struct nlattr *ssid, *rssi; - nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, - nla_data(attr), nla_len(attr), - nl80211_match_policy); + err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, + nla_data(attr), nla_len(attr), + nl80211_match_policy); + if (err) + goto out_free; ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; if (ssid) { + if (WARN_ON(i >= n_match_sets)) { + /* this indicates a programming error, + * the loop above should have verified + * things properly + */ + err = -EINVAL; + goto out_free; + } + if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { err = -EINVAL; goto out_free; @@ -5517,19 +5742,32 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, nla_data(ssid), nla_len(ssid)); request->match_sets[i].ssid.ssid_len = nla_len(ssid); + /* special attribute - old implemenation w/a */ + request->match_sets[i].rssi_thold = + default_match_rssi; + rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; + if (rssi) + request->match_sets[i].rssi_thold = + nla_get_s32(rssi); } - rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; - if (rssi) - request->rssi_thold = nla_get_u32(rssi); - else - request->rssi_thold = - NL80211_SCAN_RSSI_THOLD_OFF; i++; } + + /* there was no other matchset, so the RSSI one is alone */ + if (i == 0) + request->match_sets[0].rssi_thold = default_match_rssi; + + request->min_rssi_thold = INT_MAX; + for (i = 0; i < n_match_sets; i++) + request->min_rssi_thold = + min(request->match_sets[i].rssi_thold, + request->min_rssi_thold); + } else { + request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; } - if (info->attrs[NL80211_ATTR_IE]) { - request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); + if (ie_len) { + request->ie_len = ie_len; memcpy((void *)request->ie, nla_data(info->attrs[NL80211_ATTR_IE]), request->ie_len); @@ -5538,10 +5776,8 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { request->flags = nla_get_u32( info->attrs[NL80211_ATTR_SCAN_FLAGS]); - if (((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && - !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || - ((request->flags & NL80211_SCAN_FLAG_FLUSH) && - !(wiphy->features & NL80211_FEATURE_SCAN_FLUSH))) { + if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && + !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { err = -EOPNOTSUPP; goto out_free; } @@ -5585,39 +5821,49 @@ static int nl80211_start_radar_detection(struct sk_buff *skb, struct net_device *dev = info->user_ptr[1]; struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_chan_def chandef; + enum nl80211_dfs_regions dfs_region; + unsigned int cac_time_ms; int err; + dfs_region = reg_get_dfs_region(wdev->wiphy); + if (dfs_region == NL80211_DFS_UNSET) + return -EINVAL; + err = nl80211_parse_chandef(rdev, info, &chandef); if (err) return err; + if (netif_carrier_ok(dev)) + return -EBUSY; + if (wdev->cac_started) return -EBUSY; - err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef); + err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, + wdev->iftype); if (err < 0) return err; if (err == 0) return -EINVAL; - if (chandef.chan->dfs_state != NL80211_DFS_USABLE) + if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) return -EINVAL; if (!rdev->ops->start_radar_detection) return -EOPNOTSUPP; - err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, - chandef.chan, CHAN_MODE_SHARED, - BIT(chandef.width)); - if (err) - return err; + cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); + if (WARN_ON(!cac_time_ms)) + cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; - err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef); + err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef, + cac_time_ms); if (!err) { - wdev->channel = chandef.chan; + wdev->chandef = chandef; wdev->cac_started = true; wdev->cac_start_time = jiffies; + wdev->cac_time_ms = cac_time_ms; } return err; } @@ -5634,15 +5880,33 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; u8 radar_detect_width = 0; int err; + bool need_new_beacon = false; + int len, i; if (!rdev->ops->channel_switch || !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) return -EOPNOTSUPP; - /* may add IBSS support later */ - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + switch (dev->ieee80211_ptr->iftype) { + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + need_new_beacon = true; + + /* useless if AP is not running */ + if (!wdev->beacon_interval) + return -ENOTCONN; + break; + case NL80211_IFTYPE_ADHOC: + if (!wdev->ssid_len) + return -ENOTCONN; + break; + case NL80211_IFTYPE_MESH_POINT: + if (!wdev->mesh_id_len) + return -ENOTCONN; + break; + default: return -EOPNOTSUPP; + } memset(¶ms, 0, sizeof(params)); @@ -5651,15 +5915,14 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) return -EINVAL; /* only important for AP, IBSS and mesh create IEs internally */ - if (!info->attrs[NL80211_ATTR_CSA_IES]) - return -EINVAL; - - /* useless if AP is not running */ - if (!wdev->beacon_interval) + if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) return -EINVAL; params.count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); + if (!need_new_beacon) + goto skip_beacons; + err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); if (err) return err; @@ -5677,43 +5940,81 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) return -EINVAL; - params.counter_offset_beacon = - nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); - if (params.counter_offset_beacon >= params.beacon_csa.tail_len) + len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); + if (!len || (len % sizeof(u16))) return -EINVAL; - /* sanity check - counters should be the same */ - if (params.beacon_csa.tail[params.counter_offset_beacon] != - params.count) + params.n_counter_offsets_beacon = len / sizeof(u16); + if (rdev->wiphy.max_num_csa_counters && + (params.n_counter_offsets_beacon > + rdev->wiphy.max_num_csa_counters)) return -EINVAL; + params.counter_offsets_beacon = + nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); + + /* sanity checks - counters should fit and be the same */ + for (i = 0; i < params.n_counter_offsets_beacon; i++) { + u16 offset = params.counter_offsets_beacon[i]; + + if (offset >= params.beacon_csa.tail_len) + return -EINVAL; + + if (params.beacon_csa.tail[offset] != params.count) + return -EINVAL; + } + if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { - params.counter_offset_presp = - nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); - if (params.counter_offset_presp >= - params.beacon_csa.probe_resp_len) + len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); + if (!len || (len % sizeof(u16))) return -EINVAL; - if (params.beacon_csa.probe_resp[params.counter_offset_presp] != - params.count) + params.n_counter_offsets_presp = len / sizeof(u16); + if (rdev->wiphy.max_num_csa_counters && + (params.n_counter_offsets_beacon > + rdev->wiphy.max_num_csa_counters)) return -EINVAL; + + params.counter_offsets_presp = + nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); + + /* sanity checks - counters should fit and be the same */ + for (i = 0; i < params.n_counter_offsets_presp; i++) { + u16 offset = params.counter_offsets_presp[i]; + + if (offset >= params.beacon_csa.probe_resp_len) + return -EINVAL; + + if (params.beacon_csa.probe_resp[offset] != + params.count) + return -EINVAL; + } } +skip_beacons: err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); if (err) return err; - if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef)) + if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, + wdev->iftype)) return -EINVAL; - err = cfg80211_chandef_dfs_required(wdev->wiphy, ¶ms.chandef); - if (err < 0) { + err = cfg80211_chandef_dfs_required(wdev->wiphy, + ¶ms.chandef, + wdev->iftype); + if (err < 0) return err; - } else if (err) { + + if (err > 0) { radar_detect_width = BIT(params.chandef.width); params.radar_required = true; } + /* TODO: I left this here for now. With channel switch, the + * verification is a bit more complicated, because we only do + * it later when the channel switch really happens. + */ err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, params.chandef.chan, CHAN_MODE_SHARED, @@ -5724,7 +6025,11 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) params.block_tx = true; - return rdev_channel_switch(rdev, dev, ¶ms); + wdev_lock(wdev); + err = rdev_channel_switch(rdev, dev, ¶ms); + wdev_unlock(wdev); + + return err; } static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, @@ -5936,12 +6241,12 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) { struct survey_info survey; - struct cfg80211_registered_device *dev; + struct cfg80211_registered_device *rdev; struct wireless_dev *wdev; int survey_idx = cb->args[2]; int res; - res = nl80211_prepare_wdev_dump(skb, cb, &dev, &wdev); + res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); if (res) return res; @@ -5950,7 +6255,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, goto out_err; } - if (!dev->ops->dump_survey) { + if (!rdev->ops->dump_survey) { res = -EOPNOTSUPP; goto out_err; } @@ -5958,7 +6263,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, while (1) { struct ieee80211_channel *chan; - res = rdev_dump_survey(dev, wdev->netdev, survey_idx, &survey); + res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); if (res == -ENOENT) break; if (res) @@ -5970,7 +6275,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, goto out; } - chan = ieee80211_get_channel(&dev->wiphy, + chan = ieee80211_get_channel(&rdev->wiphy, survey.channel->center_freq); if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) { survey_idx++; @@ -5989,7 +6294,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, cb->args[2] = survey_idx; res = skb->len; out_err: - nl80211_finish_wdev_dump(dev); + nl80211_finish_wdev_dump(rdev); return res; } @@ -6067,9 +6372,9 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) return -EOPNOTSUPP; bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - chan = ieee80211_get_channel(&rdev->wiphy, - nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); - if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) + chan = nl80211_get_valid_chan(&rdev->wiphy, + info->attrs[NL80211_ATTR_WIPHY_FREQ]); + if (!chan) return -EINVAL; ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); @@ -6222,9 +6527,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); - chan = ieee80211_get_channel(&rdev->wiphy, - nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); - if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED)) + chan = nl80211_get_valid_chan(&rdev->wiphy, + info->attrs[NL80211_ATTR_WIPHY_FREQ]); + if (!chan) return -EINVAL; ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); @@ -6465,7 +6770,8 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) if (err) return err; - if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef)) + if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, + NL80211_IFTYPE_ADHOC)) return -EINVAL; switch (ibss.chandef.width) { @@ -6535,6 +6841,9 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) ibss.control_port = nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); + ibss.userspace_handles_dfs = + nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); + err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); if (err) kfree(connkeys); @@ -6584,12 +6893,103 @@ static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) return err; } +static struct sk_buff * +__cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, + int approxlen, u32 portid, u32 seq, + enum nl80211_commands cmd, + enum nl80211_attrs attr, + const struct nl80211_vendor_cmd_info *info, + gfp_t gfp) +{ + struct sk_buff *skb; + void *hdr; + struct nlattr *data; -#ifdef CONFIG_NL80211_TESTMODE -static struct genl_multicast_group nl80211_testmode_mcgrp = { - .name = "testmode", -}; + skb = nlmsg_new(approxlen + 100, gfp); + if (!skb) + return NULL; + + hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); + if (!hdr) { + kfree_skb(skb); + return NULL; + } + + if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) + goto nla_put_failure; + + if (info) { + if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, + info->vendor_id)) + goto nla_put_failure; + if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, + info->subcmd)) + goto nla_put_failure; + } + + data = nla_nest_start(skb, attr); + + ((void **)skb->cb)[0] = rdev; + ((void **)skb->cb)[1] = hdr; + ((void **)skb->cb)[2] = data; + + return skb; + + nla_put_failure: + kfree_skb(skb); + return NULL; +} + +struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, + enum nl80211_commands cmd, + enum nl80211_attrs attr, + int vendor_event_idx, + int approxlen, gfp_t gfp) +{ + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + const struct nl80211_vendor_cmd_info *info; + + switch (cmd) { + case NL80211_CMD_TESTMODE: + if (WARN_ON(vendor_event_idx != -1)) + return NULL; + info = NULL; + break; + case NL80211_CMD_VENDOR: + if (WARN_ON(vendor_event_idx < 0 || + vendor_event_idx >= wiphy->n_vendor_events)) + return NULL; + info = &wiphy->vendor_events[vendor_event_idx]; + break; + default: + WARN_ON(1); + return NULL; + } + + return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0, + cmd, attr, info, gfp); +} +EXPORT_SYMBOL(__cfg80211_alloc_event_skb); + +void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) +{ + struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; + void *hdr = ((void **)skb->cb)[1]; + struct nlattr *data = ((void **)skb->cb)[2]; + enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; + + nla_nest_end(skb, data); + genlmsg_end(skb, hdr); + if (data->nla_type == NL80211_ATTR_VENDOR_DATA) + mcgrp = NL80211_MCGRP_VENDOR; + + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, + mcgrp, gfp); +} +EXPORT_SYMBOL(__cfg80211_send_event_skb); + +#ifdef CONFIG_NL80211_TESTMODE static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; @@ -6612,11 +7012,11 @@ static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[NL80211_ATTR_TESTDATA]) return -EINVAL; - rdev->testmode_info = info; + rdev->cur_cmd_info = info; err = rdev_testmode_cmd(rdev, wdev, nla_data(info->attrs[NL80211_ATTR_TESTDATA]), nla_len(info->attrs[NL80211_ATTR_TESTDATA])); - rdev->testmode_info = NULL; + rdev->cur_cmd_info = NULL; return err; } @@ -6715,93 +7115,6 @@ static int nl80211_testmode_dump(struct sk_buff *skb, rtnl_unlock(); return err; } - -static struct sk_buff * -__cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev, - int approxlen, u32 portid, u32 seq, gfp_t gfp) -{ - struct sk_buff *skb; - void *hdr; - struct nlattr *data; - - skb = nlmsg_new(approxlen + 100, gfp); - if (!skb) - return NULL; - - hdr = nl80211hdr_put(skb, portid, seq, 0, NL80211_CMD_TESTMODE); - if (!hdr) { - kfree_skb(skb); - return NULL; - } - - if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) - goto nla_put_failure; - data = nla_nest_start(skb, NL80211_ATTR_TESTDATA); - - ((void **)skb->cb)[0] = rdev; - ((void **)skb->cb)[1] = hdr; - ((void **)skb->cb)[2] = data; - - return skb; - - nla_put_failure: - kfree_skb(skb); - return NULL; -} - -struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, - int approxlen) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - if (WARN_ON(!rdev->testmode_info)) - return NULL; - - return __cfg80211_testmode_alloc_skb(rdev, approxlen, - rdev->testmode_info->snd_portid, - rdev->testmode_info->snd_seq, - GFP_KERNEL); -} -EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb); - -int cfg80211_testmode_reply(struct sk_buff *skb) -{ - struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; - void *hdr = ((void **)skb->cb)[1]; - struct nlattr *data = ((void **)skb->cb)[2]; - - if (WARN_ON(!rdev->testmode_info)) { - kfree_skb(skb); - return -EINVAL; - } - - nla_nest_end(skb, data); - genlmsg_end(skb, hdr); - return genlmsg_reply(skb, rdev->testmode_info); -} -EXPORT_SYMBOL(cfg80211_testmode_reply); - -struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, - int approxlen, gfp_t gfp) -{ - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - - return __cfg80211_testmode_alloc_skb(rdev, approxlen, 0, 0, gfp); -} -EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); - -void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) -{ - struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; - void *hdr = ((void **)skb->cb)[1]; - struct nlattr *data = ((void **)skb->cb)[2]; - - nla_nest_end(skb, data); - genlmsg_end(skb, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0, - nl80211_testmode_mcgrp.id, gfp); -} -EXPORT_SYMBOL(cfg80211_testmode_event); #endif static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) @@ -6853,6 +7166,9 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_MAC]) connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); + else if (info->attrs[NL80211_ATTR_MAC_HINT]) + connect.bssid_hint = + nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); @@ -6871,11 +7187,14 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) } if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { - connect.channel = - ieee80211_get_channel(wiphy, - nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); - if (!connect.channel || - connect.channel->flags & IEEE80211_CHAN_DISABLED) + connect.channel = nl80211_get_valid_chan( + wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); + if (!connect.channel) + return -EINVAL; + } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { + connect.channel_hint = nl80211_get_valid_chan( + wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); + if (!connect.channel_hint) return -EINVAL; } @@ -7042,6 +7361,7 @@ static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct net_device *dev = info->user_ptr[1]; u8 action_code, dialog_token; + u32 peer_capability = 0; u16 status_code; u8 *peer; @@ -7060,9 +7380,12 @@ static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); + if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) + peer_capability = + nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); return rdev_tdls_mgmt(rdev, dev, peer, action_code, - dialog_token, status_code, + dialog_token, status_code, peer_capability, nla_data(info->attrs[NL80211_ATTR_IE]), nla_len(info->attrs[NL80211_ATTR_IE])); } @@ -7223,11 +7546,73 @@ static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, return true; } +static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) +{ + u16 mcs_mask = 0; + + switch (vht_mcs_map) { + case IEEE80211_VHT_MCS_NOT_SUPPORTED: + break; + case IEEE80211_VHT_MCS_SUPPORT_0_7: + mcs_mask = 0x00FF; + break; + case IEEE80211_VHT_MCS_SUPPORT_0_8: + mcs_mask = 0x01FF; + break; + case IEEE80211_VHT_MCS_SUPPORT_0_9: + mcs_mask = 0x03FF; + break; + default: + break; + } + + return mcs_mask; +} + +static void vht_build_mcs_mask(u16 vht_mcs_map, + u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) +{ + u8 nss; + + for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { + vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); + vht_mcs_map >>= 2; + } +} + +static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, + struct nl80211_txrate_vht *txrate, + u16 mcs[NL80211_VHT_NSS_MAX]) +{ + u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); + u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; + u8 i; + + if (!sband->vht_cap.vht_supported) + return false; + + memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); + + /* Build vht_mcs_mask from VHT capabilities */ + vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); + + for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { + if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) + mcs[i] = txrate->mcs[i]; + else + return false; + } + + return true; +} + static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, .len = NL80211_MAX_SUPP_RATES }, - [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, - .len = NL80211_MAX_SUPP_HT_RATES }, + [NL80211_TXRATE_HT] = { .type = NLA_BINARY, + .len = NL80211_MAX_SUPP_HT_RATES }, + [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, + [NL80211_TXRATE_GI] = { .type = NLA_U8 }, }; static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, @@ -7240,9 +7625,7 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, struct net_device *dev = info->user_ptr[1]; struct nlattr *tx_rates; struct ieee80211_supported_band *sband; - - if (info->attrs[NL80211_ATTR_TX_RATES] == NULL) - return -EINVAL; + u16 vht_tx_mcs_map; if (!rdev->ops->set_bitrate_mask) return -EOPNOTSUPP; @@ -7251,32 +7634,44 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, /* Default to all rates enabled */ for (i = 0; i < IEEE80211_NUM_BANDS; i++) { sband = rdev->wiphy.bands[i]; - mask.control[i].legacy = - sband ? (1 << sband->n_bitrates) - 1 : 0; - if (sband) - memcpy(mask.control[i].mcs, - sband->ht_cap.mcs.rx_mask, - sizeof(mask.control[i].mcs)); - else - memset(mask.control[i].mcs, 0, - sizeof(mask.control[i].mcs)); + + if (!sband) + continue; + + mask.control[i].legacy = (1 << sband->n_bitrates) - 1; + memcpy(mask.control[i].ht_mcs, + sband->ht_cap.mcs.rx_mask, + sizeof(mask.control[i].ht_mcs)); + + if (!sband->vht_cap.vht_supported) + continue; + + vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); + vht_build_mcs_mask(vht_tx_mcs_map, mask.control[i].vht_mcs); } + /* if no rates are given set it back to the defaults */ + if (!info->attrs[NL80211_ATTR_TX_RATES]) + goto out; + /* * The nested attribute uses enum nl80211_band as the index. This maps * directly to the enum ieee80211_band values used in cfg80211. */ BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); - nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) - { + nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { enum ieee80211_band band = nla_type(tx_rates); + int err; + if (band < 0 || band >= IEEE80211_NUM_BANDS) return -EINVAL; sband = rdev->wiphy.bands[band]; if (sband == NULL) return -EINVAL; - nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), - nla_len(tx_rates), nl80211_txattr_policy); + err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates), + nla_len(tx_rates), nl80211_txattr_policy); + if (err) + return err; if (tb[NL80211_TXRATE_LEGACY]) { mask.control[band].legacy = rateset_to_mask( sband, @@ -7286,31 +7681,50 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, nla_len(tb[NL80211_TXRATE_LEGACY])) return -EINVAL; } - if (tb[NL80211_TXRATE_MCS]) { + if (tb[NL80211_TXRATE_HT]) { if (!ht_rateset_to_mask( sband, - nla_data(tb[NL80211_TXRATE_MCS]), - nla_len(tb[NL80211_TXRATE_MCS]), - mask.control[band].mcs)) + nla_data(tb[NL80211_TXRATE_HT]), + nla_len(tb[NL80211_TXRATE_HT]), + mask.control[band].ht_mcs)) + return -EINVAL; + } + if (tb[NL80211_TXRATE_VHT]) { + if (!vht_set_mcs_mask( + sband, + nla_data(tb[NL80211_TXRATE_VHT]), + mask.control[band].vht_mcs)) + return -EINVAL; + } + if (tb[NL80211_TXRATE_GI]) { + mask.control[band].gi = + nla_get_u8(tb[NL80211_TXRATE_GI]); + if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI) return -EINVAL; } if (mask.control[band].legacy == 0) { - /* don't allow empty legacy rates if HT - * is not even supported. */ - if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) + /* don't allow empty legacy rates if HT or VHT + * are not even supported. + */ + if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || + rdev->wiphy.bands[band]->vht_cap.vht_supported)) return -EINVAL; for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) - if (mask.control[band].mcs[i]) - break; + if (mask.control[band].ht_mcs[i]) + goto out; + + for (i = 0; i < NL80211_VHT_NSS_MAX; i++) + if (mask.control[band].vht_mcs[i]) + goto out; /* legacy and mcs rates may not be both empty */ - if (i == IEEE80211_HT_MCS_MASK_LEN) - return -EINVAL; + return -EINVAL; } } +out: return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); } @@ -7358,10 +7772,10 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) void *hdr = NULL; u64 cookie; struct sk_buff *msg = NULL; - unsigned int wait = 0; - bool offchan, no_cck, dont_wait_for_ack; - - dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; + struct cfg80211_mgmt_tx_params params = { + .dont_wait_for_ack = + info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], + }; if (!info->attrs[NL80211_ATTR_FRAME]) return -EINVAL; @@ -7388,24 +7802,24 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_DURATION]) { if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) return -EINVAL; - wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); + params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); /* * We should wait on the channel for at least a minimum amount * of time (10ms) but no longer than the driver supports. */ - if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || - wait > rdev->wiphy.max_remain_on_channel_duration) + if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || + params.wait > rdev->wiphy.max_remain_on_channel_duration) return -EINVAL; } - offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; + params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; - if (offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) + if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) return -EINVAL; - no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); + params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); /* get the channel if any has been specified, otherwise pass NULL to * the driver. The latter will use the current one @@ -7417,10 +7831,31 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) return err; } - if (!chandef.chan && offchan) + if (!chandef.chan && params.offchan) return -EINVAL; - if (!dont_wait_for_ack) { + params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); + params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); + + if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { + int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); + int i; + + if (len % sizeof(u16)) + return -EINVAL; + + params.n_csa_offsets = len / sizeof(u16); + params.csa_offsets = + nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); + + /* check that all the offsets fit the frame */ + for (i = 0; i < params.n_csa_offsets; i++) { + if (params.csa_offsets[i] >= params.len) + return -EINVAL; + } + } + + if (!params.dont_wait_for_ack) { msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; @@ -7433,10 +7868,8 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) } } - err = cfg80211_mlme_mgmt_tx(rdev, wdev, chandef.chan, offchan, wait, - nla_data(info->attrs[NL80211_ATTR_FRAME]), - nla_len(info->attrs[NL80211_ATTR_FRAME]), - no_cck, dont_wait_for_ack, &cookie); + params.chan = chandef.chan; + err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); if (err) goto free_msg; @@ -7564,8 +7997,8 @@ static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) return err; } -static struct nla_policy -nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { +static const struct nla_policy +nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, @@ -8131,6 +8564,8 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], rem) { + u8 *mask_pat; + nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), nla_len(pat), NULL); err = -EINVAL; @@ -8154,19 +8589,18 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) goto error; new_triggers.patterns[i].pkt_offset = pkt_offset; - new_triggers.patterns[i].mask = - kmalloc(mask_len + pat_len, GFP_KERNEL); - if (!new_triggers.patterns[i].mask) { + mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); + if (!mask_pat) { err = -ENOMEM; goto error; } - new_triggers.patterns[i].pattern = - new_triggers.patterns[i].mask + mask_len; - memcpy(new_triggers.patterns[i].mask, - nla_data(pat_tb[NL80211_PKTPAT_MASK]), + new_triggers.patterns[i].mask = mask_pat; + memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len); + mask_pat += mask_len; + new_triggers.patterns[i].pattern = mask_pat; new_triggers.patterns[i].pattern_len = pat_len; - memcpy(new_triggers.patterns[i].pattern, + memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len); i++; @@ -8358,6 +8792,8 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], rem) { + u8 *mask_pat; + nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat), nla_len(pat), NULL); if (!pat_tb[NL80211_PKTPAT_MASK] || @@ -8379,17 +8815,19 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, return -EINVAL; new_rule->patterns[i].pkt_offset = pkt_offset; - new_rule->patterns[i].mask = - kmalloc(mask_len + pat_len, GFP_KERNEL); - if (!new_rule->patterns[i].mask) + mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); + if (!mask_pat) return -ENOMEM; - new_rule->patterns[i].pattern = - new_rule->patterns[i].mask + mask_len; - memcpy(new_rule->patterns[i].mask, - nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len); + + new_rule->patterns[i].mask = mask_pat; + memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), + mask_len); + + mask_pat += mask_len; + new_rule->patterns[i].pattern = mask_pat; new_rule->patterns[i].pattern_len = pat_len; - memcpy(new_rule->patterns[i].pattern, - nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len); + memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), + pat_len); i++; } @@ -8634,9 +9072,8 @@ static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) if (wdev->p2p_started) return 0; - err = cfg80211_can_add_interface(rdev, wdev->iftype); - if (err) - return err; + if (rfkill_blocked(rdev->rfkill)) + return -ERFKILL; err = rdev_start_p2p_device(rdev, wdev); if (err) @@ -8770,6 +9207,162 @@ static int nl80211_crit_protocol_stop(struct sk_buff *skb, return 0; } +static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct wireless_dev *wdev = + __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); + int i, err; + u32 vid, subcmd; + + if (!rdev->wiphy.vendor_commands) + return -EOPNOTSUPP; + + if (IS_ERR(wdev)) { + err = PTR_ERR(wdev); + if (err != -EINVAL) + return err; + wdev = NULL; + } else if (wdev->wiphy != &rdev->wiphy) { + return -EINVAL; + } + + if (!info->attrs[NL80211_ATTR_VENDOR_ID] || + !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) + return -EINVAL; + + vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); + subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); + for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { + const struct wiphy_vendor_command *vcmd; + void *data = NULL; + int len = 0; + + vcmd = &rdev->wiphy.vendor_commands[i]; + + if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) + continue; + + if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | + WIPHY_VENDOR_CMD_NEED_NETDEV)) { + if (!wdev) + return -EINVAL; + if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && + !wdev->netdev) + return -EINVAL; + + if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { + if (wdev->netdev && + !netif_running(wdev->netdev)) + return -ENETDOWN; + if (!wdev->netdev && !wdev->p2p_started) + return -ENETDOWN; + } + } else { + wdev = NULL; + } + + if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { + data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); + len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); + } + + rdev->cur_cmd_info = info; + err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, + data, len); + rdev->cur_cmd_info = NULL; + return err; + } + + return -EOPNOTSUPP; +} + +struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, + enum nl80211_commands cmd, + enum nl80211_attrs attr, + int approxlen) +{ + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + + if (WARN_ON(!rdev->cur_cmd_info)) + return NULL; + + return __cfg80211_alloc_vendor_skb(rdev, approxlen, + rdev->cur_cmd_info->snd_portid, + rdev->cur_cmd_info->snd_seq, + cmd, attr, NULL, GFP_KERNEL); +} +EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); + +int cfg80211_vendor_cmd_reply(struct sk_buff *skb) +{ + struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; + void *hdr = ((void **)skb->cb)[1]; + struct nlattr *data = ((void **)skb->cb)[2]; + + if (WARN_ON(!rdev->cur_cmd_info)) { + kfree_skb(skb); + return -EINVAL; + } + + nla_nest_end(skb, data); + genlmsg_end(skb, hdr); + return genlmsg_reply(skb, rdev->cur_cmd_info); +} +EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); + + +static int nl80211_set_qos_map(struct sk_buff *skb, + struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct cfg80211_qos_map *qos_map = NULL; + struct net_device *dev = info->user_ptr[1]; + u8 *pos, len, num_des, des_len, des; + int ret; + + if (!rdev->ops->set_qos_map) + return -EOPNOTSUPP; + + if (info->attrs[NL80211_ATTR_QOS_MAP]) { + pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); + len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); + + if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || + len > IEEE80211_QOS_MAP_LEN_MAX) + return -EINVAL; + + qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); + if (!qos_map) + return -ENOMEM; + + num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; + if (num_des) { + des_len = num_des * + sizeof(struct cfg80211_dscp_exception); + memcpy(qos_map->dscp_exception, pos, des_len); + qos_map->num_des = num_des; + for (des = 0; des < num_des; des++) { + if (qos_map->dscp_exception[des].up > 7) { + kfree(qos_map); + return -EINVAL; + } + } + pos += des_len; + } + memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); + } + + wdev_lock(dev->ieee80211_ptr); + ret = nl80211_key_allowed(dev->ieee80211_ptr); + if (!ret) + ret = rdev_set_qos_map(rdev, dev, qos_map); + wdev_unlock(dev->ieee80211_ptr); + + kfree(qos_map); + return ret; +} + #define NL80211_FLAG_NEED_WIPHY 0x01 #define NL80211_FLAG_NEED_NETDEV 0x02 #define NL80211_FLAG_NEED_RTNL 0x04 @@ -8781,7 +9374,7 @@ static int nl80211_crit_protocol_stop(struct sk_buff *skb, #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ NL80211_FLAG_CHECK_NETDEV_UP) -static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, +static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev; @@ -8813,7 +9406,7 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, } dev = wdev->netdev; - rdev = wiphy_to_dev(wdev->wiphy); + rdev = wiphy_to_rdev(wdev->wiphy); if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { if (!dev) { @@ -8850,7 +9443,7 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, return 0; } -static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, +static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, struct genl_info *info) { if (info->user_ptr[1]) { @@ -8867,7 +9460,7 @@ static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, rtnl_unlock(); } -static struct genl_ops nl80211_ops[] = { +static const struct genl_ops nl80211_ops[] = { { .cmd = NL80211_CMD_GET_WIPHY, .doit = nl80211_get_wiphy, @@ -9494,41 +10087,46 @@ static struct genl_ops nl80211_ops[] = { .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | NL80211_FLAG_NEED_RTNL, }, -}; - -static struct genl_multicast_group nl80211_mlme_mcgrp = { - .name = "mlme", -}; - -/* multicast groups */ -static struct genl_multicast_group nl80211_config_mcgrp = { - .name = "config", -}; -static struct genl_multicast_group nl80211_scan_mcgrp = { - .name = "scan", -}; -static struct genl_multicast_group nl80211_regulatory_mcgrp = { - .name = "regulatory", + { + .cmd = NL80211_CMD_VENDOR, + .doit = nl80211_vendor_cmd, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_WIPHY | + NL80211_FLAG_NEED_RTNL, + }, + { + .cmd = NL80211_CMD_SET_QOS_MAP, + .doit = nl80211_set_qos_map, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + NL80211_FLAG_NEED_RTNL, + }, }; /* notification functions */ -void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev) +void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, + enum nl80211_commands cmd) { struct sk_buff *msg; struct nl80211_dump_wiphy_state state = {}; + WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && + cmd != NL80211_CMD_DEL_WIPHY); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; - if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) { + if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { nlmsg_free(msg); return; } - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_config_mcgrp.id, GFP_KERNEL); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_CONFIG, GFP_KERNEL); } static int nl80211_add_scan_req(struct sk_buff *msg, @@ -9563,8 +10161,9 @@ static int nl80211_add_scan_req(struct sk_buff *msg, nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) goto nla_put_failure; - if (req->flags) - nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags); + if (req->flags && + nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) + goto nla_put_failure; return 0; nla_put_failure: @@ -9637,46 +10236,37 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, return; } - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_scan_mcgrp.id, GFP_KERNEL); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_SCAN, GFP_KERNEL); } -void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev) +struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, bool aborted) { struct sk_buff *msg; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) - return; + return NULL; if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, - NL80211_CMD_NEW_SCAN_RESULTS) < 0) { + aborted ? NL80211_CMD_SCAN_ABORTED : + NL80211_CMD_NEW_SCAN_RESULTS) < 0) { nlmsg_free(msg); - return; + return NULL; } - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_scan_mcgrp.id, GFP_KERNEL); + return msg; } -void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev) +void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, + struct sk_buff *msg) { - struct sk_buff *msg; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; - if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, - NL80211_CMD_SCAN_ABORTED) < 0) { - nlmsg_free(msg); - return; - } - - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_scan_mcgrp.id, GFP_KERNEL); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_SCAN, GFP_KERNEL); } void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, @@ -9694,8 +10284,8 @@ void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, return; } - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_scan_mcgrp.id, GFP_KERNEL); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_SCAN, GFP_KERNEL); } void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, @@ -9712,8 +10302,8 @@ void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, return; } - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_scan_mcgrp.id, GFP_KERNEL); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_SCAN, GFP_KERNEL); } /* @@ -9767,8 +10357,8 @@ void nl80211_send_reg_change_event(struct regulatory_request *request) genlmsg_end(msg, hdr); rcu_read_lock(); - genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, - GFP_ATOMIC); + genlmsg_multicast_allns(&nl80211_fam, msg, 0, + NL80211_MCGRP_REGULATORY, GFP_ATOMIC); rcu_read_unlock(); return; @@ -9803,8 +10393,8 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -9849,7 +10439,7 @@ void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); const struct ieee80211_mgmt *mgmt = (void *)buf; u32 cmd; @@ -9891,8 +10481,8 @@ static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -9947,8 +10537,8 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -9986,8 +10576,8 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10024,8 +10614,8 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, GFP_KERNEL); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, GFP_KERNEL); return; nla_put_failure: @@ -10058,8 +10648,8 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10071,7 +10661,7 @@ void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, const u8* ie, u8 ie_len, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct sk_buff *msg; void *hdr; @@ -10099,8 +10689,8 @@ void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10138,8 +10728,8 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10191,8 +10781,8 @@ void nl80211_send_beacon_hint_event(struct wiphy *wiphy, genlmsg_end(msg, hdr); rcu_read_lock(); - genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id, - GFP_ATOMIC); + genlmsg_multicast_allns(&nl80211_fam, msg, 0, + NL80211_MCGRP_REGULATORY, GFP_ATOMIC); rcu_read_unlock(); return; @@ -10237,8 +10827,8 @@ static void nl80211_send_remain_on_chan_event( genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10251,7 +10841,7 @@ void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, unsigned int duration, gfp_t gfp) { struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, @@ -10265,7 +10855,7 @@ void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, gfp_t gfp) { struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, @@ -10277,7 +10867,7 @@ void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, struct station_info *sinfo, gfp_t gfp) { struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct sk_buff *msg; trace_cfg80211_new_sta(dev, mac_addr, sinfo); @@ -10292,15 +10882,15 @@ void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, return; } - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); } EXPORT_SYMBOL(cfg80211_new_sta); void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) { struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct sk_buff *msg; void *hdr; @@ -10322,8 +10912,8 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10337,7 +10927,7 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) { struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct sk_buff *msg; void *hdr; @@ -10358,8 +10948,8 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10372,7 +10962,7 @@ static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, const u8 *addr, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct sk_buff *msg; void *hdr; u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); @@ -10492,7 +11082,7 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, const u8 *buf, size_t len, bool ack, gfp_t gfp) { struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct net_device *netdev = wdev->netdev; struct sk_buff *msg; void *hdr; @@ -10520,8 +11110,8 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10536,7 +11126,7 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct sk_buff *msg; struct nlattr *pinfoattr; void *hdr; @@ -10569,8 +11159,8 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10614,8 +11204,8 @@ static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10628,7 +11218,7 @@ void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); trace_cfg80211_gtk_rekey_notify(dev, bssid); nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); @@ -10672,8 +11262,8 @@ nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10686,7 +11276,7 @@ void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); @@ -10719,8 +11309,8 @@ static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10733,21 +11323,21 @@ void cfg80211_ch_switch_notify(struct net_device *dev, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); - trace_cfg80211_ch_switch_notify(dev, chandef); + ASSERT_WDEV_LOCK(wdev); - wdev_lock(wdev); + trace_cfg80211_ch_switch_notify(dev, chandef); if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && - wdev->iftype != NL80211_IFTYPE_P2P_GO)) - goto out; + wdev->iftype != NL80211_IFTYPE_P2P_GO && + wdev->iftype != NL80211_IFTYPE_ADHOC && + wdev->iftype != NL80211_IFTYPE_MESH_POINT)) + return; - wdev->channel = chandef->chan; + wdev->chandef = *chandef; + wdev->preset_chandef = *chandef; nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); -out: - wdev_unlock(wdev); - return; } EXPORT_SYMBOL(cfg80211_ch_switch_notify); @@ -10757,7 +11347,7 @@ void cfg80211_cqm_txe_notify(struct net_device *dev, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct sk_buff *msg; struct nlattr *pinfoattr; void *hdr; @@ -10794,8 +11384,8 @@ void cfg80211_cqm_txe_notify(struct net_device *dev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10806,7 +11396,7 @@ EXPORT_SYMBOL(cfg80211_cqm_txe_notify); void nl80211_radar_notify(struct cfg80211_registered_device *rdev, - struct cfg80211_chan_def *chandef, + const struct cfg80211_chan_def *chandef, enum nl80211_radar_event event, struct net_device *netdev, gfp_t gfp) { @@ -10843,8 +11433,8 @@ nl80211_radar_notify(struct cfg80211_registered_device *rdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10857,7 +11447,7 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct sk_buff *msg; struct nlattr *pinfoattr; void *hdr; @@ -10890,8 +11480,8 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10904,7 +11494,7 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr, u64 cookie, bool acked, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct sk_buff *msg; void *hdr; @@ -10930,8 +11520,8 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -10944,7 +11534,7 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy, const u8 *frame, size_t len, int freq, int sig_dbm) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct sk_buff *msg; void *hdr; struct cfg80211_beacon_registration *reg; @@ -10991,7 +11581,7 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, struct cfg80211_wowlan_wakeup *wakeup, gfp_t gfp) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct sk_buff *msg; void *hdr; int size = 200; @@ -11021,6 +11611,8 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, struct nlattr *reasons; reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); + if (!reasons) + goto free_msg; if (wakeup->disconnect && nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) @@ -11046,16 +11638,18 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, wakeup->pattern_idx)) goto free_msg; - if (wakeup->tcp_match) - nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH); + if (wakeup->tcp_match && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) + goto free_msg; - if (wakeup->tcp_connlost) - nla_put_flag(msg, - NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST); + if (wakeup->tcp_connlost && + nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) + goto free_msg; - if (wakeup->tcp_nomoretokens) - nla_put_flag(msg, - NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS); + if (wakeup->tcp_nomoretokens && + nla_put_flag(msg, + NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) + goto free_msg; if (wakeup->packet) { u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; @@ -11082,8 +11676,8 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; free_msg: @@ -11097,7 +11691,7 @@ void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, u16 reason_code, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct sk_buff *msg; void *hdr; @@ -11124,8 +11718,8 @@ void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, gfp); return; nla_put_failure: @@ -11149,9 +11743,15 @@ static int nl80211_netlink_notify(struct notifier_block * nb, rcu_read_lock(); list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { - list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) + bool schedule_destroy_work = false; + + list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) { cfg80211_mlme_unregister_socket(wdev, notify->portid); + if (wdev->owner_nlportid == notify->portid) + schedule_destroy_work = true; + } + spin_lock_bh(&rdev->beacon_registrations_lock); list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, list) { @@ -11162,11 +11762,24 @@ static int nl80211_netlink_notify(struct notifier_block * nb, } } spin_unlock_bh(&rdev->beacon_registrations_lock); + + if (schedule_destroy_work) { + struct cfg80211_iface_destroy *destroy; + + destroy = kzalloc(sizeof(*destroy), GFP_ATOMIC); + if (destroy) { + destroy->nlportid = notify->portid; + spin_lock(&rdev->destroy_list_lock); + list_add(&destroy->list, &rdev->destroy_list); + spin_unlock(&rdev->destroy_list_lock); + schedule_work(&rdev->destroy_work); + } + } } rcu_read_unlock(); - return NOTIFY_DONE; + return NOTIFY_OK; } static struct notifier_block nl80211_netlink_notifier = { @@ -11177,7 +11790,7 @@ void cfg80211_ft_event(struct net_device *netdev, struct cfg80211_ft_event_params *ft_event) { struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct sk_buff *msg; void *hdr; @@ -11191,24 +11804,29 @@ void cfg80211_ft_event(struct net_device *netdev, return; hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); - if (!hdr) { - nlmsg_free(msg); - return; - } + if (!hdr) + goto out; + + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || + nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || + nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) + goto out; - nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx); - nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex); - nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap); - if (ft_event->ies) - nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies); - if (ft_event->ric_ies) - nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, - ft_event->ric_ies); + if (ft_event->ies && + nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) + goto out; + if (ft_event->ric_ies && + nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, + ft_event->ric_ies)) + goto out; genlmsg_end(msg, hdr); - genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, - nl80211_mlme_mcgrp.id, GFP_KERNEL); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, GFP_KERNEL); + return; + out: + nlmsg_free(msg); } EXPORT_SYMBOL(cfg80211_ft_event); @@ -11219,7 +11837,7 @@ void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) void *hdr; u32 nlportid; - rdev = wiphy_to_dev(wdev->wiphy); + rdev = wiphy_to_rdev(wdev->wiphy); if (!rdev->crit_proto_nlportid) return; @@ -11251,38 +11869,45 @@ void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) } EXPORT_SYMBOL(cfg80211_crit_proto_stopped); -/* initialisation/exit functions */ - -int nl80211_init(void) +void nl80211_send_ap_stopped(struct wireless_dev *wdev) { - int err; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + struct sk_buff *msg; + void *hdr; - err = genl_register_family_with_ops(&nl80211_fam, - nl80211_ops, ARRAY_SIZE(nl80211_ops)); - if (err) - return err; + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) + return; - err = genl_register_mc_group(&nl80211_fam, &nl80211_config_mcgrp); - if (err) - goto err_out; + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); + if (!hdr) + goto out; - err = genl_register_mc_group(&nl80211_fam, &nl80211_scan_mcgrp); - if (err) - goto err_out; + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || + nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || + nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) + goto out; - err = genl_register_mc_group(&nl80211_fam, &nl80211_regulatory_mcgrp); - if (err) - goto err_out; + genlmsg_end(msg, hdr); - err = genl_register_mc_group(&nl80211_fam, &nl80211_mlme_mcgrp); - if (err) - goto err_out; + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, + NL80211_MCGRP_MLME, GFP_KERNEL); + return; + out: + nlmsg_free(msg); +} -#ifdef CONFIG_NL80211_TESTMODE - err = genl_register_mc_group(&nl80211_fam, &nl80211_testmode_mcgrp); +/* initialisation/exit functions */ + +int nl80211_init(void) +{ + int err; + + err = genl_register_family_with_ops_groups(&nl80211_fam, nl80211_ops, + nl80211_mcgrps); if (err) - goto err_out; -#endif + return err; err = netlink_register_notifier(&nl80211_netlink_notifier); if (err) diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index 2c0f2b3c07c..49c9a482dd1 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -5,13 +5,14 @@ int nl80211_init(void); void nl80211_exit(void); -void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev); +void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, + enum nl80211_commands cmd); void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev); -void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev); -void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev); +struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, bool aborted); +void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, + struct sk_buff *msg); void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, struct net_device *netdev, u32 cmd); void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, @@ -70,10 +71,12 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, void nl80211_radar_notify(struct cfg80211_registered_device *rdev, - struct cfg80211_chan_def *chandef, + const struct cfg80211_chan_def *chandef, enum nl80211_radar_event event, struct net_device *netdev, gfp_t gfp); +void nl80211_send_ap_stopped(struct wireless_dev *wdev); + void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev); #endif /* __NET_WIRELESS_NL80211_H */ diff --git a/net/wireless/radiotap.c b/net/wireless/radiotap.c index 7d604c06c3d..722da616438 100644 --- a/net/wireless/radiotap.c +++ b/net/wireless/radiotap.c @@ -97,6 +97,10 @@ int ieee80211_radiotap_iterator_init( struct ieee80211_radiotap_header *radiotap_header, int max_length, const struct ieee80211_radiotap_vendor_namespaces *vns) { + /* check the radiotap header can actually be present */ + if (max_length < sizeof(struct ieee80211_radiotap_header)) + return -EINVAL; + /* Linux only supports version 0 radiotap format */ if (radiotap_header->it_version) return -EINVAL; @@ -120,6 +124,10 @@ int ieee80211_radiotap_iterator_init( /* find payload start allowing for extended bitmap(s) */ if (iterator->_bitmap_shifter & (1<<IEEE80211_RADIOTAP_EXT)) { + if ((unsigned long)iterator->_arg - + (unsigned long)iterator->_rtheader + sizeof(uint32_t) > + (unsigned long)iterator->_max_length) + return -EINVAL; while (get_unaligned_le32(iterator->_arg) & (1 << IEEE80211_RADIOTAP_EXT)) { iterator->_arg += sizeof(uint32_t); @@ -131,7 +139,8 @@ int ieee80211_radiotap_iterator_init( */ if ((unsigned long)iterator->_arg - - (unsigned long)iterator->_rtheader > + (unsigned long)iterator->_rtheader + + sizeof(uint32_t) > (unsigned long)iterator->_max_length) return -EINVAL; } diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index 37ce9fdfe93..d95bbe34813 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -199,7 +199,7 @@ static inline int rdev_change_station(struct cfg80211_registered_device *rdev, } static inline int rdev_get_station(struct cfg80211_registered_device *rdev, - struct net_device *dev, u8 *mac, + struct net_device *dev, const u8 *mac, struct station_info *sinfo) { int ret; @@ -624,16 +624,12 @@ rdev_cancel_remain_on_channel(struct cfg80211_registered_device *rdev, static inline int rdev_mgmt_tx(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, - struct ieee80211_channel *chan, bool offchan, - unsigned int wait, const u8 *buf, size_t len, - bool no_cck, bool dont_wait_for_ack, u64 *cookie) + struct cfg80211_mgmt_tx_params *params, + u64 *cookie) { int ret; - trace_rdev_mgmt_tx(&rdev->wiphy, wdev, chan, offchan, - wait, no_cck, dont_wait_for_ack); - ret = rdev->ops->mgmt_tx(&rdev->wiphy, wdev, chan, offchan, - wait, buf, len, no_cck, - dont_wait_for_ack, cookie); + trace_rdev_mgmt_tx(&rdev->wiphy, wdev, params); + ret = rdev->ops->mgmt_tx(&rdev->wiphy, wdev, params, cookie); trace_rdev_return_int_cookie(&rdev->wiphy, ret, *cookie); return ret; } @@ -773,13 +769,16 @@ static inline int rdev_set_rekey_data(struct cfg80211_registered_device *rdev, static inline int rdev_tdls_mgmt(struct cfg80211_registered_device *rdev, struct net_device *dev, u8 *peer, u8 action_code, u8 dialog_token, - u16 status_code, const u8 *buf, size_t len) + u16 status_code, u32 peer_capability, + const u8 *buf, size_t len) { int ret; trace_rdev_tdls_mgmt(&rdev->wiphy, dev, peer, action_code, - dialog_token, status_code, buf, len); + dialog_token, status_code, peer_capability, + buf, len); ret = rdev->ops->tdls_mgmt(&rdev->wiphy, dev, peer, action_code, - dialog_token, status_code, buf, len); + dialog_token, status_code, peer_capability, + buf, len); trace_rdev_return_int(&rdev->wiphy, ret); return ret; } @@ -936,4 +935,32 @@ static inline int rdev_channel_switch(struct cfg80211_registered_device *rdev, return ret; } +static inline int rdev_set_qos_map(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_qos_map *qos_map) +{ + int ret = -EOPNOTSUPP; + + if (rdev->ops->set_qos_map) { + trace_rdev_set_qos_map(&rdev->wiphy, dev, qos_map); + ret = rdev->ops->set_qos_map(&rdev->wiphy, dev, qos_map); + trace_rdev_return_int(&rdev->wiphy, ret); + } + + return ret; +} + +static inline int +rdev_set_ap_chanwidth(struct cfg80211_registered_device *rdev, + struct net_device *dev, struct cfg80211_chan_def *chandef) +{ + int ret; + + trace_rdev_set_ap_chanwidth(&rdev->wiphy, dev, chandef); + ret = rdev->ops->set_ap_chanwidth(&rdev->wiphy, dev, chandef); + trace_rdev_return_int(&rdev->wiphy, ret); + + return ret; +} + #endif /* __CFG80211_RDEV_OPS */ diff --git a/net/wireless/reg.c b/net/wireless/reg.c index de06d5d1287..1afdf45db38 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -65,11 +65,26 @@ #define REG_DBG_PRINT(args...) #endif +/** + * enum reg_request_treatment - regulatory request treatment + * + * @REG_REQ_OK: continue processing the regulatory request + * @REG_REQ_IGNORE: ignore the regulatory request + * @REG_REQ_INTERSECT: the regulatory domain resulting from this request should + * be intersected with the current one. + * @REG_REQ_ALREADY_SET: the regulatory request will not change the current + * regulatory settings, and no further processing is required. + * @REG_REQ_USER_HINT_HANDLED: a non alpha2 user hint was handled and no + * further processing is required, i.e., not need to update last_request + * etc. This should be used for user hints that do not provide an alpha2 + * but some other type of regulatory hint, i.e., indoor operation. + */ enum reg_request_treatment { REG_REQ_OK, REG_REQ_IGNORE, REG_REQ_INTERSECT, REG_REQ_ALREADY_SET, + REG_REQ_USER_HINT_HANDLED, }; static struct regulatory_request core_request_world = { @@ -91,10 +106,6 @@ static struct regulatory_request __rcu *last_request = /* To trigger userspace events */ static struct platform_device *reg_pdev; -static struct device_type reg_device_type = { - .uevent = reg_device_uevent, -}; - /* * Central wireless core regulatory domains, we only need two, * the current one and a world regulatory domain in case we have no @@ -110,6 +121,14 @@ const struct ieee80211_regdomain __rcu *cfg80211_regdomain; */ static int reg_num_devs_support_basehint; +/* + * State variable indicating if the platform on which the devices + * are attached is operating in an indoor environment. The state variable + * is relevant for all registered devices. + * (protected by RTNL) + */ +static bool reg_is_indoor; + static const struct ieee80211_regdomain *get_cfg80211_regdom(void) { return rtnl_dereference(cfg80211_regdomain); @@ -120,6 +139,48 @@ static const struct ieee80211_regdomain *get_wiphy_regdom(struct wiphy *wiphy) return rtnl_dereference(wiphy->regd); } +static const char *reg_dfs_region_str(enum nl80211_dfs_regions dfs_region) +{ + switch (dfs_region) { + case NL80211_DFS_UNSET: + return "unset"; + case NL80211_DFS_FCC: + return "FCC"; + case NL80211_DFS_ETSI: + return "ETSI"; + case NL80211_DFS_JP: + return "JP"; + } + return "Unknown"; +} + +enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy) +{ + const struct ieee80211_regdomain *regd = NULL; + const struct ieee80211_regdomain *wiphy_regd = NULL; + + regd = get_cfg80211_regdom(); + if (!wiphy) + goto out; + + wiphy_regd = get_wiphy_regdom(wiphy); + if (!wiphy_regd) + goto out; + + if (wiphy_regd->dfs_region == regd->dfs_region) + goto out; + + REG_DBG_PRINT("%s: device specific dfs_region " + "(%s) disagrees with cfg80211's " + "central dfs_region (%s)\n", + dev_name(&wiphy->dev), + reg_dfs_region_str(wiphy_regd->dfs_region), + reg_dfs_region_str(regd->dfs_region)); + +out: + return regd->dfs_region; +} + static void rcu_free_regdom(const struct ieee80211_regdomain *r) { if (!r) @@ -163,25 +224,29 @@ static const struct ieee80211_regdomain world_regdom = { REG_RULE(2412-10, 2462+10, 40, 6, 20, 0), /* IEEE 802.11b/g, channels 12..13. */ REG_RULE(2467-10, 2472+10, 40, 6, 20, - NL80211_RRF_PASSIVE_SCAN | - NL80211_RRF_NO_IBSS), + NL80211_RRF_NO_IR), /* IEEE 802.11 channel 14 - Only JP enables * this and for 802.11b only */ REG_RULE(2484-10, 2484+10, 20, 6, 20, - NL80211_RRF_PASSIVE_SCAN | - NL80211_RRF_NO_IBSS | + NL80211_RRF_NO_IR | NL80211_RRF_NO_OFDM), /* IEEE 802.11a, channel 36..48 */ - REG_RULE(5180-10, 5240+10, 80, 6, 20, - NL80211_RRF_PASSIVE_SCAN | - NL80211_RRF_NO_IBSS), + REG_RULE(5180-10, 5240+10, 160, 6, 20, + NL80211_RRF_NO_IR), - /* NB: 5260 MHz - 5700 MHz requires DFS */ + /* IEEE 802.11a, channel 52..64 - DFS required */ + REG_RULE(5260-10, 5320+10, 160, 6, 20, + NL80211_RRF_NO_IR | + NL80211_RRF_DFS), + + /* IEEE 802.11a, channel 100..144 - DFS required */ + REG_RULE(5500-10, 5720+10, 160, 6, 20, + NL80211_RRF_NO_IR | + NL80211_RRF_DFS), /* IEEE 802.11a, channel 149..165 */ REG_RULE(5745-10, 5825+10, 80, 6, 20, - NL80211_RRF_PASSIVE_SCAN | - NL80211_RRF_NO_IBSS), + NL80211_RRF_NO_IR), /* IEEE 802.11ad (60gHz), channels 1..3 */ REG_RULE(56160+2160*1-1080, 56160+2160*3+1080, 2160, 0, 0, 0), @@ -198,11 +263,36 @@ static char user_alpha2[2]; module_param(ieee80211_regdom, charp, 0444); MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code"); +static void reg_free_request(struct regulatory_request *request) +{ + if (request != get_last_request()) + kfree(request); +} + +static void reg_free_last_request(void) +{ + struct regulatory_request *lr = get_last_request(); + + if (lr != &core_request_world && lr) + kfree_rcu(lr, rcu_head); +} + +static void reg_update_last_request(struct regulatory_request *request) +{ + struct regulatory_request *lr; + + lr = get_last_request(); + if (lr == request) + return; + + reg_free_last_request(); + rcu_assign_pointer(last_request, request); +} + static void reset_regdomains(bool full_reset, const struct ieee80211_regdomain *new_regdom) { const struct ieee80211_regdomain *r; - struct regulatory_request *lr; ASSERT_RTNL(); @@ -225,10 +315,7 @@ static void reset_regdomains(bool full_reset, if (!full_reset) return; - lr = get_last_request(); - if (lr != &core_request_world && lr) - kfree_rcu(lr, rcu_head); - rcu_assign_pointer(last_request, &core_request_world); + reg_update_last_request(&core_request_world); } /* @@ -429,11 +516,16 @@ static inline void reg_regdb_query(const char *alpha2) {} /* * This lets us keep regulatory code which is updated on a regulatory - * basis in userspace. Country information is filled in by - * reg_device_uevent + * basis in userspace. */ static int call_crda(const char *alpha2) { + char country[12]; + char *env[] = { country, NULL }; + + snprintf(country, sizeof(country), "COUNTRY=%c%c", + alpha2[0], alpha2[1]); + if (!is_world_regdom((char *) alpha2)) pr_info("Calling CRDA for country: %c%c\n", alpha2[0], alpha2[1]); @@ -443,10 +535,18 @@ static int call_crda(const char *alpha2) /* query internal regulatory database (if it exists) */ reg_regdb_query(alpha2); - return kobject_uevent(®_pdev->dev.kobj, KOBJ_CHANGE); + return kobject_uevent_env(®_pdev->dev.kobj, KOBJ_CHANGE, env); +} + +static enum reg_request_treatment +reg_call_crda(struct regulatory_request *request) +{ + if (call_crda(request->alpha2)) + return REG_REQ_IGNORE; + return REG_REQ_OK; } -static bool reg_is_valid_request(const char *alpha2) +bool reg_is_valid_request(const char *alpha2) { struct regulatory_request *lr = get_last_request(); @@ -456,6 +556,71 @@ static bool reg_is_valid_request(const char *alpha2) return alpha2_equal(lr->alpha2, alpha2); } +static const struct ieee80211_regdomain *reg_get_regdomain(struct wiphy *wiphy) +{ + struct regulatory_request *lr = get_last_request(); + + /* + * Follow the driver's regulatory domain, if present, unless a country + * IE has been processed or a user wants to help complaince further + */ + if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && + lr->initiator != NL80211_REGDOM_SET_BY_USER && + wiphy->regd) + return get_wiphy_regdom(wiphy); + + return get_cfg80211_regdom(); +} + +unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd, + const struct ieee80211_reg_rule *rule) +{ + const struct ieee80211_freq_range *freq_range = &rule->freq_range; + const struct ieee80211_freq_range *freq_range_tmp; + const struct ieee80211_reg_rule *tmp; + u32 start_freq, end_freq, idx, no; + + for (idx = 0; idx < rd->n_reg_rules; idx++) + if (rule == &rd->reg_rules[idx]) + break; + + if (idx == rd->n_reg_rules) + return 0; + + /* get start_freq */ + no = idx; + + while (no) { + tmp = &rd->reg_rules[--no]; + freq_range_tmp = &tmp->freq_range; + + if (freq_range_tmp->end_freq_khz < freq_range->start_freq_khz) + break; + + freq_range = freq_range_tmp; + } + + start_freq = freq_range->start_freq_khz; + + /* get end_freq */ + freq_range = &rule->freq_range; + no = idx; + + while (no < rd->n_reg_rules - 1) { + tmp = &rd->reg_rules[++no]; + freq_range_tmp = &tmp->freq_range; + + if (freq_range_tmp->start_freq_khz > freq_range->end_freq_khz) + break; + + freq_range = freq_range_tmp; + } + + end_freq = freq_range->end_freq_khz; + + return end_freq - start_freq; +} + /* Sanity check on a regulatory rule */ static bool is_valid_reg_rule(const struct ieee80211_reg_rule *rule) { @@ -547,10 +712,26 @@ static bool freq_in_rule_band(const struct ieee80211_freq_range *freq_range, } /* + * Later on we can perhaps use the more restrictive DFS + * region but we don't have information for that yet so + * for now simply disallow conflicts. + */ +static enum nl80211_dfs_regions +reg_intersect_dfs_region(const enum nl80211_dfs_regions dfs_region1, + const enum nl80211_dfs_regions dfs_region2) +{ + if (dfs_region1 != dfs_region2) + return NL80211_DFS_UNSET; + return dfs_region1; +} + +/* * Helper for regdom_intersect(), this does the real * mathematical intersection fun */ -static int reg_rules_intersect(const struct ieee80211_reg_rule *rule1, +static int reg_rules_intersect(const struct ieee80211_regdomain *rd1, + const struct ieee80211_regdomain *rd2, + const struct ieee80211_reg_rule *rule1, const struct ieee80211_reg_rule *rule2, struct ieee80211_reg_rule *intersected_rule) { @@ -558,7 +739,7 @@ static int reg_rules_intersect(const struct ieee80211_reg_rule *rule1, struct ieee80211_freq_range *freq_range; const struct ieee80211_power_rule *power_rule1, *power_rule2; struct ieee80211_power_rule *power_rule; - u32 freq_diff; + u32 freq_diff, max_bandwidth1, max_bandwidth2; freq_range1 = &rule1->freq_range; freq_range2 = &rule2->freq_range; @@ -572,8 +753,32 @@ static int reg_rules_intersect(const struct ieee80211_reg_rule *rule1, freq_range2->start_freq_khz); freq_range->end_freq_khz = min(freq_range1->end_freq_khz, freq_range2->end_freq_khz); - freq_range->max_bandwidth_khz = min(freq_range1->max_bandwidth_khz, - freq_range2->max_bandwidth_khz); + + max_bandwidth1 = freq_range1->max_bandwidth_khz; + max_bandwidth2 = freq_range2->max_bandwidth_khz; + + if (rule1->flags & NL80211_RRF_AUTO_BW) + max_bandwidth1 = reg_get_max_bandwidth(rd1, rule1); + if (rule2->flags & NL80211_RRF_AUTO_BW) + max_bandwidth2 = reg_get_max_bandwidth(rd2, rule2); + + freq_range->max_bandwidth_khz = min(max_bandwidth1, max_bandwidth2); + + intersected_rule->flags = rule1->flags | rule2->flags; + + /* + * In case NL80211_RRF_AUTO_BW requested for both rules + * set AUTO_BW in intersected rule also. Next we will + * calculate BW correctly in handle_channel function. + * In other case remove AUTO_BW flag while we calculate + * maximum bandwidth correctly and auto calculation is + * not required. + */ + if ((rule1->flags & NL80211_RRF_AUTO_BW) && + (rule2->flags & NL80211_RRF_AUTO_BW)) + intersected_rule->flags |= NL80211_RRF_AUTO_BW; + else + intersected_rule->flags &= ~NL80211_RRF_AUTO_BW; freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz; if (freq_range->max_bandwidth_khz > freq_diff) @@ -584,7 +789,8 @@ static int reg_rules_intersect(const struct ieee80211_reg_rule *rule1, power_rule->max_antenna_gain = min(power_rule1->max_antenna_gain, power_rule2->max_antenna_gain); - intersected_rule->flags = rule1->flags | rule2->flags; + intersected_rule->dfs_cac_ms = max(rule1->dfs_cac_ms, + rule2->dfs_cac_ms); if (!is_valid_reg_rule(intersected_rule)) return -EINVAL; @@ -633,7 +839,8 @@ regdom_intersect(const struct ieee80211_regdomain *rd1, rule1 = &rd1->reg_rules[x]; for (y = 0; y < rd2->n_reg_rules; y++) { rule2 = &rd2->reg_rules[y]; - if (!reg_rules_intersect(rule1, rule2, &dummy_rule)) + if (!reg_rules_intersect(rd1, rd2, rule1, rule2, + &dummy_rule)) num_rules++; } } @@ -658,7 +865,8 @@ regdom_intersect(const struct ieee80211_regdomain *rd1, * a memcpy() */ intersected_rule = &rd->reg_rules[rule_idx]; - r = reg_rules_intersect(rule1, rule2, intersected_rule); + r = reg_rules_intersect(rd1, rd2, rule1, rule2, + intersected_rule); /* * No need to memset here the intersected rule here as * we're not using the stack anymore @@ -677,6 +885,8 @@ regdom_intersect(const struct ieee80211_regdomain *rd1, rd->n_reg_rules = num_rules; rd->alpha2[0] = '9'; rd->alpha2[1] = '8'; + rd->dfs_region = reg_intersect_dfs_region(rd1->dfs_region, + rd2->dfs_region); return rd; } @@ -688,14 +898,14 @@ regdom_intersect(const struct ieee80211_regdomain *rd1, static u32 map_regdom_flags(u32 rd_flags) { u32 channel_flags = 0; - if (rd_flags & NL80211_RRF_PASSIVE_SCAN) - channel_flags |= IEEE80211_CHAN_PASSIVE_SCAN; - if (rd_flags & NL80211_RRF_NO_IBSS) - channel_flags |= IEEE80211_CHAN_NO_IBSS; + if (rd_flags & NL80211_RRF_NO_IR_ALL) + channel_flags |= IEEE80211_CHAN_NO_IR; if (rd_flags & NL80211_RRF_DFS) channel_flags |= IEEE80211_CHAN_RADAR; if (rd_flags & NL80211_RRF_NO_OFDM) channel_flags |= IEEE80211_CHAN_NO_OFDM; + if (rd_flags & NL80211_RRF_NO_OUTDOOR) + channel_flags |= IEEE80211_CHAN_INDOOR_ONLY; return channel_flags; } @@ -741,66 +951,68 @@ const struct ieee80211_reg_rule *freq_reg_info(struct wiphy *wiphy, u32 center_freq) { const struct ieee80211_regdomain *regd; - struct regulatory_request *lr = get_last_request(); - /* - * Follow the driver's regulatory domain, if present, unless a country - * IE has been processed or a user wants to help complaince further - */ - if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && - lr->initiator != NL80211_REGDOM_SET_BY_USER && - wiphy->regd) - regd = get_wiphy_regdom(wiphy); - else - regd = get_cfg80211_regdom(); + regd = reg_get_regdomain(wiphy); return freq_reg_info_regd(wiphy, center_freq, regd); } EXPORT_SYMBOL(freq_reg_info); -#ifdef CONFIG_CFG80211_REG_DEBUG -static const char *reg_initiator_name(enum nl80211_reg_initiator initiator) +const char *reg_initiator_name(enum nl80211_reg_initiator initiator) { switch (initiator) { case NL80211_REGDOM_SET_BY_CORE: - return "Set by core"; + return "core"; case NL80211_REGDOM_SET_BY_USER: - return "Set by user"; + return "user"; case NL80211_REGDOM_SET_BY_DRIVER: - return "Set by driver"; + return "driver"; case NL80211_REGDOM_SET_BY_COUNTRY_IE: - return "Set by country IE"; + return "country IE"; default: WARN_ON(1); - return "Set by bug"; + return "bug"; } } +EXPORT_SYMBOL(reg_initiator_name); -static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan, +#ifdef CONFIG_CFG80211_REG_DEBUG +static void chan_reg_rule_print_dbg(const struct ieee80211_regdomain *regd, + struct ieee80211_channel *chan, const struct ieee80211_reg_rule *reg_rule) { const struct ieee80211_power_rule *power_rule; const struct ieee80211_freq_range *freq_range; - char max_antenna_gain[32]; + char max_antenna_gain[32], bw[32]; power_rule = ®_rule->power_rule; freq_range = ®_rule->freq_range; if (!power_rule->max_antenna_gain) - snprintf(max_antenna_gain, 32, "N/A"); + snprintf(max_antenna_gain, sizeof(max_antenna_gain), "N/A"); else - snprintf(max_antenna_gain, 32, "%d", power_rule->max_antenna_gain); + snprintf(max_antenna_gain, sizeof(max_antenna_gain), "%d", + power_rule->max_antenna_gain); + + if (reg_rule->flags & NL80211_RRF_AUTO_BW) + snprintf(bw, sizeof(bw), "%d KHz, %d KHz AUTO", + freq_range->max_bandwidth_khz, + reg_get_max_bandwidth(regd, reg_rule)); + else + snprintf(bw, sizeof(bw), "%d KHz", + freq_range->max_bandwidth_khz); REG_DBG_PRINT("Updating information on frequency %d MHz with regulatory rule:\n", chan->center_freq); - REG_DBG_PRINT("%d KHz - %d KHz @ %d KHz), (%s mBi, %d mBm)\n", + REG_DBG_PRINT("%d KHz - %d KHz @ %s), (%s mBi, %d mBm)\n", freq_range->start_freq_khz, freq_range->end_freq_khz, - freq_range->max_bandwidth_khz, max_antenna_gain, + bw, max_antenna_gain, power_rule->max_eirp); } #else -static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan, +static void chan_reg_rule_print_dbg(const struct ieee80211_regdomain *regd, + struct ieee80211_channel *chan, const struct ieee80211_reg_rule *reg_rule) { return; @@ -822,6 +1034,8 @@ static void handle_channel(struct wiphy *wiphy, const struct ieee80211_freq_range *freq_range = NULL; struct wiphy *request_wiphy = NULL; struct regulatory_request *lr = get_last_request(); + const struct ieee80211_regdomain *regd; + u32 max_bandwidth_khz; request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); @@ -843,26 +1057,42 @@ static void handle_channel(struct wiphy *wiphy, PTR_ERR(reg_rule) == -ERANGE) return; - REG_DBG_PRINT("Disabling freq %d MHz\n", chan->center_freq); - chan->flags |= IEEE80211_CHAN_DISABLED; + if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && + request_wiphy && request_wiphy == wiphy && + request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) { + REG_DBG_PRINT("Disabling freq %d MHz for good\n", + chan->center_freq); + chan->orig_flags |= IEEE80211_CHAN_DISABLED; + chan->flags = chan->orig_flags; + } else { + REG_DBG_PRINT("Disabling freq %d MHz\n", + chan->center_freq); + chan->flags |= IEEE80211_CHAN_DISABLED; + } return; } - chan_reg_rule_print_dbg(chan, reg_rule); + regd = reg_get_regdomain(wiphy); + chan_reg_rule_print_dbg(regd, chan, reg_rule); power_rule = ®_rule->power_rule; freq_range = ®_rule->freq_range; - if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(40)) + max_bandwidth_khz = freq_range->max_bandwidth_khz; + /* Check if auto calculation requested */ + if (reg_rule->flags & NL80211_RRF_AUTO_BW) + max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule); + + if (max_bandwidth_khz < MHZ_TO_KHZ(40)) bw_flags = IEEE80211_CHAN_NO_HT40; - if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(80)) + if (max_bandwidth_khz < MHZ_TO_KHZ(80)) bw_flags |= IEEE80211_CHAN_NO_80MHZ; - if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(160)) + if (max_bandwidth_khz < MHZ_TO_KHZ(160)) bw_flags |= IEEE80211_CHAN_NO_160MHZ; if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && request_wiphy && request_wiphy == wiphy && - request_wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) { + request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) { /* * This guarantees the driver's requested regulatory domain * will always be used as a base for further regulatory @@ -874,6 +1104,13 @@ static void handle_channel(struct wiphy *wiphy, (int) MBI_TO_DBI(power_rule->max_antenna_gain); chan->max_reg_power = chan->max_power = chan->orig_mpwr = (int) MBM_TO_DBM(power_rule->max_eirp); + + if (chan->flags & IEEE80211_CHAN_RADAR) { + chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; + if (reg_rule->dfs_cac_ms) + chan->dfs_cac_ms = reg_rule->dfs_cac_ms; + } + return; } @@ -886,15 +1123,21 @@ static void handle_channel(struct wiphy *wiphy, min_t(int, chan->orig_mag, MBI_TO_DBI(power_rule->max_antenna_gain)); chan->max_reg_power = (int) MBM_TO_DBM(power_rule->max_eirp); + + if (chan->flags & IEEE80211_CHAN_RADAR) { + if (reg_rule->dfs_cac_ms) + chan->dfs_cac_ms = reg_rule->dfs_cac_ms; + else + chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; + } + if (chan->orig_mpwr) { /* - * Devices that have their own custom regulatory domain - * but also use WIPHY_FLAG_STRICT_REGULATORY will follow the - * passed country IE power settings. + * Devices that use REGULATORY_COUNTRY_IE_FOLLOW_POWER + * will always follow the passed country IE power settings. */ if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE && - wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY && - wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) + wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_FOLLOW_POWER) chan->max_power = chan->max_reg_power; else chan->max_power = min(chan->orig_mpwr, @@ -923,12 +1166,19 @@ static bool reg_request_cell_base(struct regulatory_request *request) return request->user_reg_hint_type == NL80211_USER_REG_HINT_CELL_BASE; } +static bool reg_request_indoor(struct regulatory_request *request) +{ + if (request->initiator != NL80211_REGDOM_SET_BY_USER) + return false; + return request->user_reg_hint_type == NL80211_USER_REG_HINT_INDOOR; +} + bool reg_last_request_cell_base(void) { return reg_request_cell_base(get_last_request()); } -#ifdef CONFIG_CFG80211_CERTIFICATION_ONUS +#ifdef CONFIG_CFG80211_REG_CELLULAR_HINTS /* Core specific check */ static enum reg_request_treatment reg_ignore_cell_hint(struct regulatory_request *pending_request) @@ -962,6 +1212,13 @@ static bool reg_dev_ignore_cell_hint(struct wiphy *wiphy) } #endif +static bool wiphy_strict_alpha2_regd(struct wiphy *wiphy) +{ + if (wiphy->regulatory_flags & REGULATORY_STRICT_REG && + !(wiphy->regulatory_flags & REGULATORY_CUSTOM_REG)) + return true; + return false; +} static bool ignore_reg_update(struct wiphy *wiphy, enum nl80211_reg_initiator initiator) @@ -969,14 +1226,17 @@ static bool ignore_reg_update(struct wiphy *wiphy, struct regulatory_request *lr = get_last_request(); if (!lr) { - REG_DBG_PRINT("Ignoring regulatory request %s since last_request is not set\n", + REG_DBG_PRINT("Ignoring regulatory request set by %s " + "since last_request is not set\n", reg_initiator_name(initiator)); return true; } if (initiator == NL80211_REGDOM_SET_BY_CORE && - wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) { - REG_DBG_PRINT("Ignoring regulatory request %s since the driver uses its own custom regulatory domain\n", + wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) { + REG_DBG_PRINT("Ignoring regulatory request set by %s " + "since the driver uses its own custom " + "regulatory domain\n", reg_initiator_name(initiator)); return true; } @@ -985,10 +1245,12 @@ static bool ignore_reg_update(struct wiphy *wiphy, * wiphy->regd will be set once the device has its own * desired regulatory domain set */ - if (wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY && !wiphy->regd && + if (wiphy_strict_alpha2_regd(wiphy) && !wiphy->regd && initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && !is_world_regdom(lr->alpha2)) { - REG_DBG_PRINT("Ignoring regulatory request %s since the driver requires its own regulatory domain to be set first\n", + REG_DBG_PRINT("Ignoring regulatory request set by %s " + "since the driver requires its own regulatory " + "domain to be set first\n", reg_initiator_name(initiator)); return true; } @@ -1009,7 +1271,7 @@ static bool reg_is_world_roaming(struct wiphy *wiphy) return true; if (lr && lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && - wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) + wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) return true; return false; @@ -1037,19 +1299,14 @@ static void handle_reg_beacon(struct wiphy *wiphy, unsigned int chan_idx, if (!reg_is_world_roaming(wiphy)) return; - if (wiphy->flags & WIPHY_FLAG_DISABLE_BEACON_HINTS) + if (wiphy->regulatory_flags & REGULATORY_DISABLE_BEACON_HINTS) return; chan_before.center_freq = chan->center_freq; chan_before.flags = chan->flags; - if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) { - chan->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN; - channel_changed = true; - } - - if (chan->flags & IEEE80211_CHAN_NO_IBSS) { - chan->flags &= ~IEEE80211_CHAN_NO_IBSS; + if (chan->flags & IEEE80211_CHAN_NO_IR) { + chan->flags &= ~IEEE80211_CHAN_NO_IR; channel_changed = true; } @@ -1182,14 +1439,30 @@ static void reg_process_ht_flags(struct wiphy *wiphy) reg_process_ht_flags_band(wiphy, wiphy->bands[band]); } +static void reg_call_notifier(struct wiphy *wiphy, + struct regulatory_request *request) +{ + if (wiphy->reg_notifier) + wiphy->reg_notifier(wiphy, request); +} + static void wiphy_update_regulatory(struct wiphy *wiphy, enum nl80211_reg_initiator initiator) { enum ieee80211_band band; struct regulatory_request *lr = get_last_request(); - if (ignore_reg_update(wiphy, initiator)) + if (ignore_reg_update(wiphy, initiator)) { + /* + * Regulatory updates set by CORE are ignored for custom + * regulatory cards. Let us notify the changes to the driver, + * as some drivers used this to restore its orig_* reg domain. + */ + if (initiator == NL80211_REGDOM_SET_BY_CORE && + wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) + reg_call_notifier(wiphy, lr); return; + } lr->dfs_region = get_cfg80211_regdom()->dfs_region; @@ -1198,9 +1471,7 @@ static void wiphy_update_regulatory(struct wiphy *wiphy, reg_process_beacons(wiphy); reg_process_ht_flags(wiphy); - - if (wiphy->reg_notifier) - wiphy->reg_notifier(wiphy, lr); + reg_call_notifier(wiphy, lr); } static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator) @@ -1213,15 +1484,6 @@ static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator) list_for_each_entry(rdev, &cfg80211_rdev_list, list) { wiphy = &rdev->wiphy; wiphy_update_regulatory(wiphy, initiator); - /* - * Regulatory updates set by CORE are ignored for custom - * regulatory cards. Let us notify the changes to the driver, - * as some drivers used this to restore its orig_* reg domain. - */ - if (initiator == NL80211_REGDOM_SET_BY_CORE && - wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY && - wiphy->reg_notifier) - wiphy->reg_notifier(wiphy, get_last_request()); } } @@ -1233,6 +1495,7 @@ static void handle_channel_custom(struct wiphy *wiphy, const struct ieee80211_reg_rule *reg_rule = NULL; const struct ieee80211_power_rule *power_rule = NULL; const struct ieee80211_freq_range *freq_range = NULL; + u32 max_bandwidth_khz; reg_rule = freq_reg_info_regd(wiphy, MHZ_TO_KHZ(chan->center_freq), regd); @@ -1240,20 +1503,26 @@ static void handle_channel_custom(struct wiphy *wiphy, if (IS_ERR(reg_rule)) { REG_DBG_PRINT("Disabling freq %d MHz as custom regd has no rule that fits it\n", chan->center_freq); - chan->flags = IEEE80211_CHAN_DISABLED; + chan->orig_flags |= IEEE80211_CHAN_DISABLED; + chan->flags = chan->orig_flags; return; } - chan_reg_rule_print_dbg(chan, reg_rule); + chan_reg_rule_print_dbg(regd, chan, reg_rule); power_rule = ®_rule->power_rule; freq_range = ®_rule->freq_range; - if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(40)) + max_bandwidth_khz = freq_range->max_bandwidth_khz; + /* Check if auto calculation requested */ + if (reg_rule->flags & NL80211_RRF_AUTO_BW) + max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule); + + if (max_bandwidth_khz < MHZ_TO_KHZ(40)) bw_flags = IEEE80211_CHAN_NO_HT40; - if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(80)) + if (max_bandwidth_khz < MHZ_TO_KHZ(80)) bw_flags |= IEEE80211_CHAN_NO_80MHZ; - if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(160)) + if (max_bandwidth_khz < MHZ_TO_KHZ(160)) bw_flags |= IEEE80211_CHAN_NO_160MHZ; chan->flags |= map_regdom_flags(reg_rule->flags) | bw_flags; @@ -1282,6 +1551,10 @@ void wiphy_apply_custom_regulatory(struct wiphy *wiphy, enum ieee80211_band band; unsigned int bands_set = 0; + WARN(!(wiphy->regulatory_flags & REGULATORY_CUSTOM_REG), + "wiphy should have REGULATORY_CUSTOM_REG\n"); + wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; + for (band = 0; band < IEEE80211_NUM_BANDS; band++) { if (!wiphy->bands[band]) continue; @@ -1297,249 +1570,334 @@ void wiphy_apply_custom_regulatory(struct wiphy *wiphy, } EXPORT_SYMBOL(wiphy_apply_custom_regulatory); -/* This has the logic which determines when a new request - * should be ignored. */ -static enum reg_request_treatment -get_reg_request_treatment(struct wiphy *wiphy, - struct regulatory_request *pending_request) +static void reg_set_request_processed(void) { - struct wiphy *last_wiphy = NULL; + bool need_more_processing = false; struct regulatory_request *lr = get_last_request(); - /* All initial requests are respected */ - if (!lr) - return REG_REQ_OK; + lr->processed = true; - switch (pending_request->initiator) { - case NL80211_REGDOM_SET_BY_CORE: - return REG_REQ_OK; - case NL80211_REGDOM_SET_BY_COUNTRY_IE: - if (reg_request_cell_base(lr)) { - /* Trust a Cell base station over the AP's country IE */ - if (regdom_changes(pending_request->alpha2)) - return REG_REQ_IGNORE; - return REG_REQ_ALREADY_SET; - } + spin_lock(®_requests_lock); + if (!list_empty(®_requests_list)) + need_more_processing = true; + spin_unlock(®_requests_lock); - last_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); + if (lr->initiator == NL80211_REGDOM_SET_BY_USER) + cancel_delayed_work(®_timeout); - if (unlikely(!is_an_alpha2(pending_request->alpha2))) - return -EINVAL; - if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) { - if (last_wiphy != wiphy) { - /* - * Two cards with two APs claiming different - * Country IE alpha2s. We could - * intersect them, but that seems unlikely - * to be correct. Reject second one for now. - */ - if (regdom_changes(pending_request->alpha2)) - return REG_REQ_IGNORE; - return REG_REQ_ALREADY_SET; - } - /* - * Two consecutive Country IE hints on the same wiphy. - * This should be picked up early by the driver/stack - */ - if (WARN_ON(regdom_changes(pending_request->alpha2))) - return REG_REQ_OK; - return REG_REQ_ALREADY_SET; - } - return REG_REQ_OK; - case NL80211_REGDOM_SET_BY_DRIVER: - if (lr->initiator == NL80211_REGDOM_SET_BY_CORE) { - if (regdom_changes(pending_request->alpha2)) - return REG_REQ_OK; - return REG_REQ_ALREADY_SET; - } + if (need_more_processing) + schedule_work(®_work); +} - /* - * This would happen if you unplug and plug your card - * back in or if you add a new device for which the previously - * loaded card also agrees on the regulatory domain. - */ - if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && - !regdom_changes(pending_request->alpha2)) - return REG_REQ_ALREADY_SET; +/** + * reg_process_hint_core - process core regulatory requests + * @pending_request: a pending core regulatory request + * + * The wireless subsystem can use this function to process + * a regulatory request issued by the regulatory core. + * + * Returns one of the different reg request treatment values. + */ +static enum reg_request_treatment +reg_process_hint_core(struct regulatory_request *core_request) +{ + + core_request->intersect = false; + core_request->processed = false; + reg_update_last_request(core_request); + + return reg_call_crda(core_request); +} + +static enum reg_request_treatment +__reg_process_hint_user(struct regulatory_request *user_request) +{ + struct regulatory_request *lr = get_last_request(); + + if (reg_request_indoor(user_request)) { + reg_is_indoor = true; + return REG_REQ_USER_HINT_HANDLED; + } + + if (reg_request_cell_base(user_request)) + return reg_ignore_cell_hint(user_request); + + if (reg_request_cell_base(lr)) + return REG_REQ_IGNORE; + + if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) return REG_REQ_INTERSECT; - case NL80211_REGDOM_SET_BY_USER: - if (reg_request_cell_base(pending_request)) - return reg_ignore_cell_hint(pending_request); + /* + * If the user knows better the user should set the regdom + * to their country before the IE is picked up + */ + if (lr->initiator == NL80211_REGDOM_SET_BY_USER && + lr->intersect) + return REG_REQ_IGNORE; + /* + * Process user requests only after previous user/driver/core + * requests have been processed + */ + if ((lr->initiator == NL80211_REGDOM_SET_BY_CORE || + lr->initiator == NL80211_REGDOM_SET_BY_DRIVER || + lr->initiator == NL80211_REGDOM_SET_BY_USER) && + regdom_changes(lr->alpha2)) + return REG_REQ_IGNORE; - if (reg_request_cell_base(lr)) - return REG_REQ_IGNORE; + if (!regdom_changes(user_request->alpha2)) + return REG_REQ_ALREADY_SET; - if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) - return REG_REQ_INTERSECT; - /* - * If the user knows better the user should set the regdom - * to their country before the IE is picked up - */ - if (lr->initiator == NL80211_REGDOM_SET_BY_USER && - lr->intersect) - return REG_REQ_IGNORE; - /* - * Process user requests only after previous user/driver/core - * requests have been processed - */ - if ((lr->initiator == NL80211_REGDOM_SET_BY_CORE || - lr->initiator == NL80211_REGDOM_SET_BY_DRIVER || - lr->initiator == NL80211_REGDOM_SET_BY_USER) && - regdom_changes(lr->alpha2)) - return REG_REQ_IGNORE; + return REG_REQ_OK; +} - if (!regdom_changes(pending_request->alpha2)) - return REG_REQ_ALREADY_SET; +/** + * reg_process_hint_user - process user regulatory requests + * @user_request: a pending user regulatory request + * + * The wireless subsystem can use this function to process + * a regulatory request initiated by userspace. + * + * Returns one of the different reg request treatment values. + */ +static enum reg_request_treatment +reg_process_hint_user(struct regulatory_request *user_request) +{ + enum reg_request_treatment treatment; - return REG_REQ_OK; + treatment = __reg_process_hint_user(user_request); + if (treatment == REG_REQ_IGNORE || + treatment == REG_REQ_ALREADY_SET || + treatment == REG_REQ_USER_HINT_HANDLED) { + reg_free_request(user_request); + return treatment; } - return REG_REQ_IGNORE; + user_request->intersect = treatment == REG_REQ_INTERSECT; + user_request->processed = false; + + reg_update_last_request(user_request); + + user_alpha2[0] = user_request->alpha2[0]; + user_alpha2[1] = user_request->alpha2[1]; + + return reg_call_crda(user_request); } -static void reg_set_request_processed(void) +static enum reg_request_treatment +__reg_process_hint_driver(struct regulatory_request *driver_request) { - bool need_more_processing = false; struct regulatory_request *lr = get_last_request(); - lr->processed = true; - - spin_lock(®_requests_lock); - if (!list_empty(®_requests_list)) - need_more_processing = true; - spin_unlock(®_requests_lock); + if (lr->initiator == NL80211_REGDOM_SET_BY_CORE) { + if (regdom_changes(driver_request->alpha2)) + return REG_REQ_OK; + return REG_REQ_ALREADY_SET; + } - if (lr->initiator == NL80211_REGDOM_SET_BY_USER) - cancel_delayed_work(®_timeout); + /* + * This would happen if you unplug and plug your card + * back in or if you add a new device for which the previously + * loaded card also agrees on the regulatory domain. + */ + if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && + !regdom_changes(driver_request->alpha2)) + return REG_REQ_ALREADY_SET; - if (need_more_processing) - schedule_work(®_work); + return REG_REQ_INTERSECT; } /** - * __regulatory_hint - hint to the wireless core a regulatory domain - * @wiphy: if the hint comes from country information from an AP, this - * is required to be set to the wiphy that received the information - * @pending_request: the regulatory request currently being processed + * reg_process_hint_driver - process driver regulatory requests + * @driver_request: a pending driver regulatory request * - * The Wireless subsystem can use this function to hint to the wireless core - * what it believes should be the current regulatory domain. + * The wireless subsystem can use this function to process + * a regulatory request issued by an 802.11 driver. * * Returns one of the different reg request treatment values. */ static enum reg_request_treatment -__regulatory_hint(struct wiphy *wiphy, - struct regulatory_request *pending_request) +reg_process_hint_driver(struct wiphy *wiphy, + struct regulatory_request *driver_request) { const struct ieee80211_regdomain *regd; - bool intersect = false; enum reg_request_treatment treatment; - struct regulatory_request *lr; - treatment = get_reg_request_treatment(wiphy, pending_request); + treatment = __reg_process_hint_driver(driver_request); switch (treatment) { - case REG_REQ_INTERSECT: - if (pending_request->initiator == - NL80211_REGDOM_SET_BY_DRIVER) { - regd = reg_copy_regd(get_cfg80211_regdom()); - if (IS_ERR(regd)) { - kfree(pending_request); - return PTR_ERR(regd); - } - rcu_assign_pointer(wiphy->regd, regd); - } - intersect = true; - break; case REG_REQ_OK: break; - default: - /* - * If the regulatory domain being requested by the - * driver has already been set just copy it to the - * wiphy - */ - if (treatment == REG_REQ_ALREADY_SET && - pending_request->initiator == NL80211_REGDOM_SET_BY_DRIVER) { - regd = reg_copy_regd(get_cfg80211_regdom()); - if (IS_ERR(regd)) { - kfree(pending_request); - return REG_REQ_IGNORE; - } - treatment = REG_REQ_ALREADY_SET; - rcu_assign_pointer(wiphy->regd, regd); - goto new_request; - } - kfree(pending_request); + case REG_REQ_IGNORE: + case REG_REQ_USER_HINT_HANDLED: + reg_free_request(driver_request); return treatment; + case REG_REQ_INTERSECT: + /* fall through */ + case REG_REQ_ALREADY_SET: + regd = reg_copy_regd(get_cfg80211_regdom()); + if (IS_ERR(regd)) { + reg_free_request(driver_request); + return REG_REQ_IGNORE; + } + rcu_assign_pointer(wiphy->regd, regd); } -new_request: - lr = get_last_request(); - if (lr != &core_request_world && lr) - kfree_rcu(lr, rcu_head); - pending_request->intersect = intersect; - pending_request->processed = false; - rcu_assign_pointer(last_request, pending_request); - lr = pending_request; + driver_request->intersect = treatment == REG_REQ_INTERSECT; + driver_request->processed = false; - pending_request = NULL; + reg_update_last_request(driver_request); - if (lr->initiator == NL80211_REGDOM_SET_BY_USER) { - user_alpha2[0] = lr->alpha2[0]; - user_alpha2[1] = lr->alpha2[1]; + /* + * Since CRDA will not be called in this case as we already + * have applied the requested regulatory domain before we just + * inform userspace we have processed the request + */ + if (treatment == REG_REQ_ALREADY_SET) { + nl80211_send_reg_change_event(driver_request); + reg_set_request_processed(); + return treatment; } - /* When r == REG_REQ_INTERSECT we do need to call CRDA */ - if (treatment != REG_REQ_OK && treatment != REG_REQ_INTERSECT) { + return reg_call_crda(driver_request); +} + +static enum reg_request_treatment +__reg_process_hint_country_ie(struct wiphy *wiphy, + struct regulatory_request *country_ie_request) +{ + struct wiphy *last_wiphy = NULL; + struct regulatory_request *lr = get_last_request(); + + if (reg_request_cell_base(lr)) { + /* Trust a Cell base station over the AP's country IE */ + if (regdom_changes(country_ie_request->alpha2)) + return REG_REQ_IGNORE; + return REG_REQ_ALREADY_SET; + } else { + if (wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_IGNORE) + return REG_REQ_IGNORE; + } + + if (unlikely(!is_an_alpha2(country_ie_request->alpha2))) + return -EINVAL; + + if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) + return REG_REQ_OK; + + last_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); + + if (last_wiphy != wiphy) { /* - * Since CRDA will not be called in this case as we already - * have applied the requested regulatory domain before we just - * inform userspace we have processed the request + * Two cards with two APs claiming different + * Country IE alpha2s. We could + * intersect them, but that seems unlikely + * to be correct. Reject second one for now. */ - if (treatment == REG_REQ_ALREADY_SET) { - nl80211_send_reg_change_event(lr); - reg_set_request_processed(); - } - return treatment; + if (regdom_changes(country_ie_request->alpha2)) + return REG_REQ_IGNORE; + return REG_REQ_ALREADY_SET; } + /* + * Two consecutive Country IE hints on the same wiphy. + * This should be picked up early by the driver/stack + */ + if (WARN_ON(regdom_changes(country_ie_request->alpha2))) + return REG_REQ_OK; + return REG_REQ_ALREADY_SET; +} + +/** + * reg_process_hint_country_ie - process regulatory requests from country IEs + * @country_ie_request: a regulatory request from a country IE + * + * The wireless subsystem can use this function to process + * a regulatory request issued by a country Information Element. + * + * Returns one of the different reg request treatment values. + */ +static enum reg_request_treatment +reg_process_hint_country_ie(struct wiphy *wiphy, + struct regulatory_request *country_ie_request) +{ + enum reg_request_treatment treatment; + + treatment = __reg_process_hint_country_ie(wiphy, country_ie_request); - if (call_crda(lr->alpha2)) + switch (treatment) { + case REG_REQ_OK: + break; + case REG_REQ_IGNORE: + case REG_REQ_USER_HINT_HANDLED: + /* fall through */ + case REG_REQ_ALREADY_SET: + reg_free_request(country_ie_request); + return treatment; + case REG_REQ_INTERSECT: + reg_free_request(country_ie_request); + /* + * This doesn't happen yet, not sure we + * ever want to support it for this case. + */ + WARN_ONCE(1, "Unexpected intersection for country IEs"); return REG_REQ_IGNORE; - return REG_REQ_OK; + } + + country_ie_request->intersect = false; + country_ie_request->processed = false; + + reg_update_last_request(country_ie_request); + + return reg_call_crda(country_ie_request); } /* This processes *all* regulatory hints */ -static void reg_process_hint(struct regulatory_request *reg_request, - enum nl80211_reg_initiator reg_initiator) +static void reg_process_hint(struct regulatory_request *reg_request) { struct wiphy *wiphy = NULL; - - if (WARN_ON(!reg_request->alpha2)) - return; + enum reg_request_treatment treatment; if (reg_request->wiphy_idx != WIPHY_IDX_INVALID) wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx); - if (reg_initiator == NL80211_REGDOM_SET_BY_DRIVER && !wiphy) { - kfree(reg_request); + switch (reg_request->initiator) { + case NL80211_REGDOM_SET_BY_CORE: + reg_process_hint_core(reg_request); return; - } - - switch (__regulatory_hint(wiphy, reg_request)) { - case REG_REQ_ALREADY_SET: - /* This is required so that the orig_* parameters are saved */ - if (wiphy && wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY) - wiphy_update_regulatory(wiphy, reg_initiator); + case NL80211_REGDOM_SET_BY_USER: + treatment = reg_process_hint_user(reg_request); + if (treatment == REG_REQ_IGNORE || + treatment == REG_REQ_ALREADY_SET || + treatment == REG_REQ_USER_HINT_HANDLED) + return; + queue_delayed_work(system_power_efficient_wq, + ®_timeout, msecs_to_jiffies(3142)); + return; + case NL80211_REGDOM_SET_BY_DRIVER: + if (!wiphy) + goto out_free; + treatment = reg_process_hint_driver(wiphy, reg_request); break; - default: - if (reg_initiator == NL80211_REGDOM_SET_BY_USER) - schedule_delayed_work(®_timeout, - msecs_to_jiffies(3142)); + case NL80211_REGDOM_SET_BY_COUNTRY_IE: + if (!wiphy) + goto out_free; + treatment = reg_process_hint_country_ie(wiphy, reg_request); break; + default: + WARN(1, "invalid initiator %d\n", reg_request->initiator); + goto out_free; } + + /* This is required so that the orig_* parameters are saved */ + if (treatment == REG_REQ_ALREADY_SET && wiphy && + wiphy->regulatory_flags & REGULATORY_STRICT_REG) + wiphy_update_regulatory(wiphy, reg_request->initiator); + + return; + +out_free: + reg_free_request(reg_request); } /* @@ -1555,7 +1913,7 @@ static void reg_process_pending_hints(void) /* When last_request->processed becomes true this will be rescheduled */ if (lr && !lr->processed) { - REG_DBG_PRINT("Pending regulatory request, waiting for it to be processed...\n"); + reg_process_hint(lr); return; } @@ -1573,7 +1931,7 @@ static void reg_process_pending_hints(void) spin_unlock(®_requests_lock); - reg_process_hint(reg_request, reg_request->initiator); + reg_process_hint(reg_request); } /* Processes beacon hints -- this has nothing to do with country IEs */ @@ -1665,6 +2023,22 @@ int regulatory_hint_user(const char *alpha2, return 0; } +int regulatory_hint_indoor_user(void) +{ + struct regulatory_request *request; + + request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL); + if (!request) + return -ENOMEM; + + request->wiphy_idx = WIPHY_IDX_INVALID; + request->initiator = NL80211_REGDOM_SET_BY_USER; + request->user_reg_hint_type = NL80211_USER_REG_HINT_INDOOR; + queue_regulatory_request(request); + + return 0; +} + /* Driver hints */ int regulatory_hint(struct wiphy *wiphy, const char *alpha2) { @@ -1673,6 +2047,8 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2) if (WARN_ON(!alpha2 || !wiphy)) return -EINVAL; + wiphy->regulatory_flags &= ~REGULATORY_CUSTOM_REG; + request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL); if (!request) return -ENOMEM; @@ -1689,8 +2065,8 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2) } EXPORT_SYMBOL(regulatory_hint); -void regulatory_hint_11d(struct wiphy *wiphy, enum ieee80211_band band, - const u8 *country_ie, u8 country_ie_len) +void regulatory_hint_country_ie(struct wiphy *wiphy, enum ieee80211_band band, + const u8 *country_ie, u8 country_ie_len) { char alpha2[2]; enum environment_cap env = ENVIRON_ANY; @@ -1830,6 +2206,8 @@ static void restore_regulatory_settings(bool reset_user) ASSERT_RTNL(); + reg_is_indoor = false; + reset_regdomains(true, &world_regdom); restore_alpha2(alpha2, reset_user); @@ -1865,7 +2243,7 @@ static void restore_regulatory_settings(bool reset_user) world_alpha2[1] = cfg80211_world_regdom->alpha2[1]; list_for_each_entry(rdev, &cfg80211_rdev_list, list) { - if (rdev->wiphy.flags & WIPHY_FLAG_CUSTOM_REGULATORY) + if (rdev->wiphy.regulatory_flags & REGULATORY_CUSTOM_REG) restore_custom_reg_settings(&rdev->wiphy); } @@ -1965,35 +2343,53 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd) const struct ieee80211_reg_rule *reg_rule = NULL; const struct ieee80211_freq_range *freq_range = NULL; const struct ieee80211_power_rule *power_rule = NULL; + char bw[32], cac_time[32]; - pr_info(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)\n"); + pr_info(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)\n"); for (i = 0; i < rd->n_reg_rules; i++) { reg_rule = &rd->reg_rules[i]; freq_range = ®_rule->freq_range; power_rule = ®_rule->power_rule; + if (reg_rule->flags & NL80211_RRF_AUTO_BW) + snprintf(bw, sizeof(bw), "%d KHz, %d KHz AUTO", + freq_range->max_bandwidth_khz, + reg_get_max_bandwidth(rd, reg_rule)); + else + snprintf(bw, sizeof(bw), "%d KHz", + freq_range->max_bandwidth_khz); + + if (reg_rule->flags & NL80211_RRF_DFS) + scnprintf(cac_time, sizeof(cac_time), "%u s", + reg_rule->dfs_cac_ms/1000); + else + scnprintf(cac_time, sizeof(cac_time), "N/A"); + + /* * There may not be documentation for max antenna gain * in certain regions */ if (power_rule->max_antenna_gain) - pr_info(" (%d KHz - %d KHz @ %d KHz), (%d mBi, %d mBm)\n", + pr_info(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm), (%s)\n", freq_range->start_freq_khz, freq_range->end_freq_khz, - freq_range->max_bandwidth_khz, + bw, power_rule->max_antenna_gain, - power_rule->max_eirp); + power_rule->max_eirp, + cac_time); else - pr_info(" (%d KHz - %d KHz @ %d KHz), (N/A, %d mBm)\n", + pr_info(" (%d KHz - %d KHz @ %s), (N/A, %d mBm), (%s)\n", freq_range->start_freq_khz, freq_range->end_freq_khz, - freq_range->max_bandwidth_khz, - power_rule->max_eirp); + bw, + power_rule->max_eirp, + cac_time); } } -bool reg_supported_dfs_region(u8 dfs_region) +bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region) { switch (dfs_region) { case NL80211_DFS_UNSET: @@ -2008,27 +2404,6 @@ bool reg_supported_dfs_region(u8 dfs_region) } } -static void print_dfs_region(u8 dfs_region) -{ - if (!dfs_region) - return; - - switch (dfs_region) { - case NL80211_DFS_FCC: - pr_info(" DFS Master region FCC"); - break; - case NL80211_DFS_ETSI: - pr_info(" DFS Master region ETSI"); - break; - case NL80211_DFS_JP: - pr_info(" DFS Master region JP"); - break; - default: - pr_info(" DFS Master region Unknown"); - break; - } -} - static void print_regdomain(const struct ieee80211_regdomain *rd) { struct regulatory_request *lr = get_last_request(); @@ -2060,7 +2435,7 @@ static void print_regdomain(const struct ieee80211_regdomain *rd) } } - print_dfs_region(rd->dfs_region); + pr_info(" DFS Master region: %s", reg_dfs_region_str(rd->dfs_region)); print_rd_rules(rd); } @@ -2070,48 +2445,57 @@ static void print_regdomain_info(const struct ieee80211_regdomain *rd) print_rd_rules(rd); } -/* Takes ownership of rd only if it doesn't fail */ -static int __set_regdom(const struct ieee80211_regdomain *rd) +static int reg_set_rd_core(const struct ieee80211_regdomain *rd) +{ + if (!is_world_regdom(rd->alpha2)) + return -EINVAL; + update_world_regdomain(rd); + return 0; +} + +static int reg_set_rd_user(const struct ieee80211_regdomain *rd, + struct regulatory_request *user_request) { - const struct ieee80211_regdomain *regd; const struct ieee80211_regdomain *intersected_rd = NULL; - struct wiphy *request_wiphy; - struct regulatory_request *lr = get_last_request(); - /* Some basic sanity checks first */ + if (!regdom_changes(rd->alpha2)) + return -EALREADY; - if (!reg_is_valid_request(rd->alpha2)) + if (!is_valid_rd(rd)) { + pr_err("Invalid regulatory domain detected:\n"); + print_regdomain_info(rd); return -EINVAL; + } - if (is_world_regdom(rd->alpha2)) { - update_world_regdomain(rd); + if (!user_request->intersect) { + reset_regdomains(false, rd); return 0; } - if (!is_alpha2_set(rd->alpha2) && !is_an_alpha2(rd->alpha2) && - !is_unknown_alpha2(rd->alpha2)) + intersected_rd = regdom_intersect(rd, get_cfg80211_regdom()); + if (!intersected_rd) return -EINVAL; - /* - * Lets only bother proceeding on the same alpha2 if the current - * rd is non static (it means CRDA was present and was used last) - * and the pending request came in from a country IE - */ - if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) { - /* - * If someone else asked us to change the rd lets only bother - * checking if the alpha2 changes if CRDA was already called - */ - if (!regdom_changes(rd->alpha2)) - return -EALREADY; - } + kfree(rd); + rd = NULL; + reset_regdomains(false, intersected_rd); - /* - * Now lets set the regulatory domain, update all driver channels - * and finally inform them of what we have done, in case they want - * to review or adjust their own settings based on their own - * internal EEPROM data - */ + return 0; +} + +static int reg_set_rd_driver(const struct ieee80211_regdomain *rd, + struct regulatory_request *driver_request) +{ + const struct ieee80211_regdomain *regd; + const struct ieee80211_regdomain *intersected_rd = NULL; + const struct ieee80211_regdomain *tmp; + struct wiphy *request_wiphy; + + if (is_world_regdom(rd->alpha2)) + return -EINVAL; + + if (!regdom_changes(rd->alpha2)) + return -EALREADY; if (!is_valid_rd(rd)) { pr_err("Invalid regulatory domain detected:\n"); @@ -2119,29 +2503,14 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) return -EINVAL; } - request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); - if (!request_wiphy && - (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER || - lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE)) { - schedule_delayed_work(®_timeout, 0); + request_wiphy = wiphy_idx_to_wiphy(driver_request->wiphy_idx); + if (!request_wiphy) { + queue_delayed_work(system_power_efficient_wq, + ®_timeout, 0); return -ENODEV; } - if (!lr->intersect) { - if (lr->initiator != NL80211_REGDOM_SET_BY_DRIVER) { - reset_regdomains(false, rd); - return 0; - } - - /* - * For a driver hint, lets copy the regulatory domain the - * driver wanted to the wiphy to deal with conflicts - */ - - /* - * Userspace could have sent two replies with only - * one kernel request. - */ + if (!driver_request->intersect) { if (request_wiphy->regd) return -EALREADY; @@ -2154,38 +2523,60 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) return 0; } - /* Intersection requires a bit more work */ + intersected_rd = regdom_intersect(rd, get_cfg80211_regdom()); + if (!intersected_rd) + return -EINVAL; - if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) { - intersected_rd = regdom_intersect(rd, get_cfg80211_regdom()); - if (!intersected_rd) - return -EINVAL; + /* + * We can trash what CRDA provided now. + * However if a driver requested this specific regulatory + * domain we keep it for its private use + */ + tmp = get_wiphy_regdom(request_wiphy); + rcu_assign_pointer(request_wiphy->regd, rd); + rcu_free_regdom(tmp); - /* - * We can trash what CRDA provided now. - * However if a driver requested this specific regulatory - * domain we keep it for its private use - */ - if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER) { - const struct ieee80211_regdomain *tmp; + rd = NULL; - tmp = get_wiphy_regdom(request_wiphy); - rcu_assign_pointer(request_wiphy->regd, rd); - rcu_free_regdom(tmp); - } else { - kfree(rd); - } + reset_regdomains(false, intersected_rd); - rd = NULL; + return 0; +} - reset_regdomains(false, intersected_rd); +static int reg_set_rd_country_ie(const struct ieee80211_regdomain *rd, + struct regulatory_request *country_ie_request) +{ + struct wiphy *request_wiphy; - return 0; + if (!is_alpha2_set(rd->alpha2) && !is_an_alpha2(rd->alpha2) && + !is_unknown_alpha2(rd->alpha2)) + return -EINVAL; + + /* + * Lets only bother proceeding on the same alpha2 if the current + * rd is non static (it means CRDA was present and was used last) + * and the pending request came in from a country IE + */ + + if (!is_valid_rd(rd)) { + pr_err("Invalid regulatory domain detected:\n"); + print_regdomain_info(rd); + return -EINVAL; } - return -EINVAL; -} + request_wiphy = wiphy_idx_to_wiphy(country_ie_request->wiphy_idx); + if (!request_wiphy) { + queue_delayed_work(system_power_efficient_wq, + ®_timeout, 0); + return -ENODEV; + } + if (country_ie_request->intersect) + return -EINVAL; + + reset_regdomains(false, rd); + return 0; +} /* * Use this call to set the current regulatory domain. Conflicts with @@ -2195,15 +2586,45 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) int set_regdom(const struct ieee80211_regdomain *rd) { struct regulatory_request *lr; + bool user_reset = false; int r; + if (!reg_is_valid_request(rd->alpha2)) { + kfree(rd); + return -EINVAL; + } + lr = get_last_request(); /* Note that this doesn't update the wiphys, this is done below */ - r = __set_regdom(rd); + switch (lr->initiator) { + case NL80211_REGDOM_SET_BY_CORE: + r = reg_set_rd_core(rd); + break; + case NL80211_REGDOM_SET_BY_USER: + r = reg_set_rd_user(rd, lr); + user_reset = true; + break; + case NL80211_REGDOM_SET_BY_DRIVER: + r = reg_set_rd_driver(rd, lr); + break; + case NL80211_REGDOM_SET_BY_COUNTRY_IE: + r = reg_set_rd_country_ie(rd, lr); + break; + default: + WARN(1, "invalid initiator %d\n", lr->initiator); + return -EINVAL; + } + if (r) { - if (r == -EALREADY) + switch (r) { + case -EALREADY: reg_set_request_processed(); + break; + default: + /* Back to world regulatory in case of errors */ + restore_regulatory_settings(user_reset); + } kfree(rd); return r; @@ -2225,26 +2646,6 @@ int set_regdom(const struct ieee80211_regdomain *rd) return 0; } -int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - struct regulatory_request *lr; - u8 alpha2[2]; - bool add = false; - - rcu_read_lock(); - lr = get_last_request(); - if (lr && !lr->processed) { - memcpy(alpha2, lr->alpha2, 2); - add = true; - } - rcu_read_unlock(); - - if (add) - return add_uevent_var(env, "COUNTRY=%c%c", - alpha2[0], alpha2[1]); - return 0; -} - void wiphy_regulatory_register(struct wiphy *wiphy) { struct regulatory_request *lr; @@ -2267,7 +2668,7 @@ void wiphy_regulatory_deregister(struct wiphy *wiphy) reg_num_devs_support_basehint--; rcu_free_regdom(get_wiphy_regdom(wiphy)); - rcu_assign_pointer(wiphy->regd, NULL); + RCU_INIT_POINTER(wiphy->regd, NULL); if (lr) request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); @@ -2287,6 +2688,40 @@ static void reg_timeout_work(struct work_struct *work) rtnl_unlock(); } +/* + * See http://www.fcc.gov/document/5-ghz-unlicensed-spectrum-unii, for + * UNII band definitions + */ +int cfg80211_get_unii(int freq) +{ + /* UNII-1 */ + if (freq >= 5150 && freq <= 5250) + return 0; + + /* UNII-2A */ + if (freq > 5250 && freq <= 5350) + return 1; + + /* UNII-2B */ + if (freq > 5350 && freq <= 5470) + return 2; + + /* UNII-2C */ + if (freq > 5470 && freq <= 5725) + return 3; + + /* UNII-3 */ + if (freq > 5725 && freq <= 5825) + return 4; + + return -EINVAL; +} + +bool regulatory_indoor_allowed(void) +{ + return reg_is_indoor; +} + int __init regulatory_init(void) { int err = 0; @@ -2295,8 +2730,6 @@ int __init regulatory_init(void) if (IS_ERR(reg_pdev)) return PTR_ERR(reg_pdev); - reg_pdev->dev.type = ®_device_type; - spin_lock_init(®_requests_lock); spin_lock_init(®_pending_beacons_lock); diff --git a/net/wireless/reg.h b/net/wireless/reg.h index af2d5f8a5d8..5e48031ccb9 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -18,13 +18,15 @@ extern const struct ieee80211_regdomain __rcu *cfg80211_regdomain; +bool reg_is_valid_request(const char *alpha2); bool is_world_regdom(const char *alpha2); -bool reg_supported_dfs_region(u8 dfs_region); +bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region); +enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy); int regulatory_hint_user(const char *alpha2, enum nl80211_user_reg_hint_type user_reg_hint_type); +int regulatory_hint_indoor_user(void); -int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env); void wiphy_regulatory_register(struct wiphy *wiphy); void wiphy_regulatory_deregister(struct wiphy *wiphy); @@ -32,6 +34,8 @@ int __init regulatory_init(void); void regulatory_exit(void); int set_regdom(const struct ieee80211_regdomain *rd); +unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd, + const struct ieee80211_reg_rule *rule); bool reg_last_request_cell_base(void); @@ -58,7 +62,7 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy, gfp_t gfp); /** - * regulatory_hint_11d - hints a country IE as a regulatory domain + * regulatory_hint_country_ie - hints a country IE as a regulatory domain * @wiphy: the wireless device giving the hint (used only for reporting * conflicts) * @band: the band on which the country IE was received on. This determines @@ -78,7 +82,7 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy, * not observed. For this reason if a triplet is seen with channel * information for a band the BSS is not present in it will be ignored. */ -void regulatory_hint_11d(struct wiphy *wiphy, +void regulatory_hint_country_ie(struct wiphy *wiphy, enum ieee80211_band band, const u8 *country_ie, u8 country_ie_len); @@ -101,4 +105,21 @@ void regulatory_hint_11d(struct wiphy *wiphy, */ void regulatory_hint_disconnect(void); +/** + * cfg80211_get_unii - get the U-NII band for the frequency + * @freq: the frequency for which we want to get the UNII band. + + * Get a value specifying the U-NII band frequency belongs to. + * U-NII bands are defined by the FCC in C.F.R 47 part 15. + * + * Returns -EINVAL if freq is invalid, 0 for UNII-1, 1 for UNII-2A, + * 2 for UNII-2B, 3 for UNII-2C and 4 for UNII-3. + */ +int cfg80211_get_unii(int freq); + +/** + * regulatory_indoor_allowed - is indoor operation allowed + */ +bool regulatory_indoor_allowed(void); + #endif /* __NET_WIRELESS_REG_H */ diff --git a/net/wireless/scan.c b/net/wireless/scan.c index eeb71480f1a..0798c62e608 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -81,10 +81,10 @@ static void bss_free(struct cfg80211_internal_bss *bss) kfree(bss); } -static inline void bss_ref_get(struct cfg80211_registered_device *dev, +static inline void bss_ref_get(struct cfg80211_registered_device *rdev, struct cfg80211_internal_bss *bss) { - lockdep_assert_held(&dev->bss_lock); + lockdep_assert_held(&rdev->bss_lock); bss->refcount++; if (bss->pub.hidden_beacon_bss) { @@ -95,10 +95,10 @@ static inline void bss_ref_get(struct cfg80211_registered_device *dev, } } -static inline void bss_ref_put(struct cfg80211_registered_device *dev, +static inline void bss_ref_put(struct cfg80211_registered_device *rdev, struct cfg80211_internal_bss *bss) { - lockdep_assert_held(&dev->bss_lock); + lockdep_assert_held(&rdev->bss_lock); if (bss->pub.hidden_beacon_bss) { struct cfg80211_internal_bss *hbss; @@ -114,10 +114,10 @@ static inline void bss_ref_put(struct cfg80211_registered_device *dev, bss_free(bss); } -static bool __cfg80211_unlink_bss(struct cfg80211_registered_device *dev, +static bool __cfg80211_unlink_bss(struct cfg80211_registered_device *rdev, struct cfg80211_internal_bss *bss) { - lockdep_assert_held(&dev->bss_lock); + lockdep_assert_held(&rdev->bss_lock); if (!list_empty(&bss->hidden_list)) { /* @@ -134,45 +134,52 @@ static bool __cfg80211_unlink_bss(struct cfg80211_registered_device *dev, } list_del_init(&bss->list); - rb_erase(&bss->rbn, &dev->bss_tree); - bss_ref_put(dev, bss); + rb_erase(&bss->rbn, &rdev->bss_tree); + bss_ref_put(rdev, bss); return true; } -static void __cfg80211_bss_expire(struct cfg80211_registered_device *dev, +static void __cfg80211_bss_expire(struct cfg80211_registered_device *rdev, unsigned long expire_time) { struct cfg80211_internal_bss *bss, *tmp; bool expired = false; - lockdep_assert_held(&dev->bss_lock); + lockdep_assert_held(&rdev->bss_lock); - list_for_each_entry_safe(bss, tmp, &dev->bss_list, list) { + list_for_each_entry_safe(bss, tmp, &rdev->bss_list, list) { if (atomic_read(&bss->hold)) continue; if (!time_after(expire_time, bss->ts)) continue; - if (__cfg80211_unlink_bss(dev, bss)) + if (__cfg80211_unlink_bss(rdev, bss)) expired = true; } if (expired) - dev->bss_generation++; + rdev->bss_generation++; } -void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak) +void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, + bool send_message) { struct cfg80211_scan_request *request; struct wireless_dev *wdev; + struct sk_buff *msg; #ifdef CONFIG_CFG80211_WEXT union iwreq_data wrqu; #endif ASSERT_RTNL(); - request = rdev->scan_req; + if (rdev->scan_msg) { + nl80211_send_scan_result(rdev, rdev->scan_msg); + rdev->scan_msg = NULL; + return; + } + request = rdev->scan_req; if (!request) return; @@ -186,18 +193,16 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak) if (wdev->netdev) cfg80211_sme_scan_done(wdev->netdev); - if (request->aborted) { - nl80211_send_scan_aborted(rdev, wdev); - } else { - if (request->flags & NL80211_SCAN_FLAG_FLUSH) { - /* flush entries from previous scans */ - spin_lock_bh(&rdev->bss_lock); - __cfg80211_bss_expire(rdev, request->scan_start); - spin_unlock_bh(&rdev->bss_lock); - } - nl80211_send_scan_done(rdev, wdev); + if (!request->aborted && + request->flags & NL80211_SCAN_FLAG_FLUSH) { + /* flush entries from previous scans */ + spin_lock_bh(&rdev->bss_lock); + __cfg80211_bss_expire(rdev, request->scan_start); + spin_unlock_bh(&rdev->bss_lock); } + msg = nl80211_build_scan_msg(rdev, wdev, request->aborted); + #ifdef CONFIG_CFG80211_WEXT if (wdev->netdev && !request->aborted) { memset(&wrqu, 0, sizeof(wrqu)); @@ -210,17 +215,12 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak) dev_put(wdev->netdev); rdev->scan_req = NULL; + kfree(request); - /* - * OK. If this is invoked with "leak" then we can't - * free this ... but we've cleaned it up anyway. The - * driver failed to call the scan_done callback, so - * all bets are off, it might still be trying to use - * the scan request or not ... if it accesses the dev - * in there (it shouldn't anyway) then it may crash. - */ - if (!leak) - kfree(request); + if (!send_message) + rdev->scan_msg = msg; + else + nl80211_send_scan_result(rdev, msg); } void __cfg80211_scan_done(struct work_struct *wk) @@ -231,18 +231,18 @@ void __cfg80211_scan_done(struct work_struct *wk) scan_done_wk); rtnl_lock(); - ___cfg80211_scan_done(rdev, false); + ___cfg80211_scan_done(rdev, true); rtnl_unlock(); } void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted) { trace_cfg80211_scan_done(request, aborted); - WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); + WARN_ON(request != wiphy_to_rdev(request->wiphy)->scan_req); request->aborted = aborted; request->notified = true; - queue_work(cfg80211_wq, &wiphy_to_dev(request->wiphy)->scan_done_wk); + queue_work(cfg80211_wq, &wiphy_to_rdev(request->wiphy)->scan_done_wk); } EXPORT_SYMBOL(cfg80211_scan_done); @@ -254,10 +254,10 @@ void __cfg80211_sched_scan_results(struct work_struct *wk) rdev = container_of(wk, struct cfg80211_registered_device, sched_scan_results_wk); - request = rdev->sched_scan_req; - rtnl_lock(); + request = rdev->sched_scan_req; + /* we don't have sched_scan_req anymore if the scan is stopping */ if (request) { if (request->flags & NL80211_SCAN_FLAG_FLUSH) { @@ -278,20 +278,28 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy) { trace_cfg80211_sched_scan_results(wiphy); /* ignore if we're not scanning */ - if (wiphy_to_dev(wiphy)->sched_scan_req) + if (wiphy_to_rdev(wiphy)->sched_scan_req) queue_work(cfg80211_wq, - &wiphy_to_dev(wiphy)->sched_scan_results_wk); + &wiphy_to_rdev(wiphy)->sched_scan_results_wk); } EXPORT_SYMBOL(cfg80211_sched_scan_results); -void cfg80211_sched_scan_stopped(struct wiphy *wiphy) +void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + + ASSERT_RTNL(); trace_cfg80211_sched_scan_stopped(wiphy); - rtnl_lock(); __cfg80211_stop_sched_scan(rdev, true); +} +EXPORT_SYMBOL(cfg80211_sched_scan_stopped_rtnl); + +void cfg80211_sched_scan_stopped(struct wiphy *wiphy) +{ + rtnl_lock(); + cfg80211_sched_scan_stopped_rtnl(wiphy); rtnl_unlock(); } EXPORT_SYMBOL(cfg80211_sched_scan_stopped); @@ -322,21 +330,21 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, return 0; } -void cfg80211_bss_age(struct cfg80211_registered_device *dev, +void cfg80211_bss_age(struct cfg80211_registered_device *rdev, unsigned long age_secs) { struct cfg80211_internal_bss *bss; unsigned long age_jiffies = msecs_to_jiffies(age_secs * MSEC_PER_SEC); - spin_lock_bh(&dev->bss_lock); - list_for_each_entry(bss, &dev->bss_list, list) + spin_lock_bh(&rdev->bss_lock); + list_for_each_entry(bss, &rdev->bss_list, list) bss->ts -= age_jiffies; - spin_unlock_bh(&dev->bss_lock); + spin_unlock_bh(&rdev->bss_lock); } -void cfg80211_bss_expire(struct cfg80211_registered_device *dev) +void cfg80211_bss_expire(struct cfg80211_registered_device *rdev) { - __cfg80211_bss_expire(dev, jiffies - IEEE80211_SCAN_RESULT_EXPIRE); + __cfg80211_bss_expire(rdev, jiffies - IEEE80211_SCAN_RESULT_EXPIRE); } const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len) @@ -526,32 +534,34 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, const u8 *ssid, size_t ssid_len, u16 capa_mask, u16 capa_val) { - struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct cfg80211_internal_bss *bss, *res = NULL; unsigned long now = jiffies; trace_cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len, capa_mask, capa_val); - spin_lock_bh(&dev->bss_lock); + spin_lock_bh(&rdev->bss_lock); - list_for_each_entry(bss, &dev->bss_list, list) { + list_for_each_entry(bss, &rdev->bss_list, list) { if ((bss->pub.capability & capa_mask) != capa_val) continue; if (channel && bss->pub.channel != channel) continue; + if (!is_valid_ether_addr(bss->pub.bssid)) + continue; /* Don't get expired BSS structs */ if (time_after(now, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE) && !atomic_read(&bss->hold)) continue; if (is_bss(&bss->pub, bssid, ssid, ssid_len)) { res = bss; - bss_ref_get(dev, res); + bss_ref_get(rdev, res); break; } } - spin_unlock_bh(&dev->bss_lock); + spin_unlock_bh(&rdev->bss_lock); if (!res) return NULL; trace_cfg80211_return_bss(&res->pub); @@ -559,10 +569,10 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_get_bss); -static void rb_insert_bss(struct cfg80211_registered_device *dev, +static void rb_insert_bss(struct cfg80211_registered_device *rdev, struct cfg80211_internal_bss *bss) { - struct rb_node **p = &dev->bss_tree.rb_node; + struct rb_node **p = &rdev->bss_tree.rb_node; struct rb_node *parent = NULL; struct cfg80211_internal_bss *tbss; int cmp; @@ -585,15 +595,15 @@ static void rb_insert_bss(struct cfg80211_registered_device *dev, } rb_link_node(&bss->rbn, parent, p); - rb_insert_color(&bss->rbn, &dev->bss_tree); + rb_insert_color(&bss->rbn, &rdev->bss_tree); } static struct cfg80211_internal_bss * -rb_find_bss(struct cfg80211_registered_device *dev, +rb_find_bss(struct cfg80211_registered_device *rdev, struct cfg80211_internal_bss *res, enum bss_compare_mode mode) { - struct rb_node *n = dev->bss_tree.rb_node; + struct rb_node *n = rdev->bss_tree.rb_node; struct cfg80211_internal_bss *bss; int r; @@ -612,7 +622,7 @@ rb_find_bss(struct cfg80211_registered_device *dev, return NULL; } -static bool cfg80211_combine_bsses(struct cfg80211_registered_device *dev, +static bool cfg80211_combine_bsses(struct cfg80211_registered_device *rdev, struct cfg80211_internal_bss *new) { const struct cfg80211_bss_ies *ies; @@ -642,7 +652,7 @@ static bool cfg80211_combine_bsses(struct cfg80211_registered_device *dev, /* This is the bad part ... */ - list_for_each_entry(bss, &dev->bss_list, list) { + list_for_each_entry(bss, &rdev->bss_list, list) { if (!ether_addr_equal(bss->pub.bssid, new->pub.bssid)) continue; if (bss->pub.channel != new->pub.channel) @@ -659,9 +669,6 @@ static bool cfg80211_combine_bsses(struct cfg80211_registered_device *dev, continue; if (ssidlen && ie[1] != ssidlen) continue; - /* that would be odd ... */ - if (bss->pub.beacon_ies) - continue; if (WARN_ON_ONCE(bss->pub.hidden_beacon_bss)) continue; if (WARN_ON_ONCE(!list_empty(&bss->hidden_list))) @@ -679,8 +686,9 @@ static bool cfg80211_combine_bsses(struct cfg80211_registered_device *dev, /* Returned bss is reference counted and must be cleaned up appropriately. */ static struct cfg80211_internal_bss * -cfg80211_bss_update(struct cfg80211_registered_device *dev, - struct cfg80211_internal_bss *tmp) +cfg80211_bss_update(struct cfg80211_registered_device *rdev, + struct cfg80211_internal_bss *tmp, + bool signal_valid) { struct cfg80211_internal_bss *found = NULL; @@ -689,14 +697,14 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, tmp->ts = jiffies; - spin_lock_bh(&dev->bss_lock); + spin_lock_bh(&rdev->bss_lock); if (WARN_ON(!rcu_access_pointer(tmp->pub.ies))) { - spin_unlock_bh(&dev->bss_lock); + spin_unlock_bh(&rdev->bss_lock); return NULL; } - found = rb_find_bss(dev, tmp, BSS_CMP_REGULAR); + found = rb_find_bss(rdev, tmp, BSS_CMP_REGULAR); if (found) { /* Update IEs */ @@ -765,7 +773,12 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, } found->pub.beacon_interval = tmp->pub.beacon_interval; - found->pub.signal = tmp->pub.signal; + /* + * don't update the signal if beacon was heard on + * adjacent channel. + */ + if (signal_valid) + found->pub.signal = tmp->pub.signal; found->pub.capability = tmp->pub.capability; found->ts = tmp->ts; } else { @@ -778,7 +791,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, * is allocated on the stack since it's not needed in the * more common case of an update */ - new = kzalloc(sizeof(*new) + dev->wiphy.bss_priv_size, + new = kzalloc(sizeof(*new) + rdev->wiphy.bss_priv_size, GFP_ATOMIC); if (!new) { ies = (void *)rcu_dereference(tmp->pub.beacon_ies); @@ -794,9 +807,9 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, INIT_LIST_HEAD(&new->hidden_list); if (rcu_access_pointer(tmp->pub.proberesp_ies)) { - hidden = rb_find_bss(dev, tmp, BSS_CMP_HIDE_ZLEN); + hidden = rb_find_bss(rdev, tmp, BSS_CMP_HIDE_ZLEN); if (!hidden) - hidden = rb_find_bss(dev, tmp, + hidden = rb_find_bss(rdev, tmp, BSS_CMP_HIDE_NUL); if (hidden) { new->pub.hidden_beacon_bss = &hidden->pub; @@ -813,24 +826,24 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, * expensive search for any probe responses that should * be grouped with this beacon for updates ... */ - if (!cfg80211_combine_bsses(dev, new)) { + if (!cfg80211_combine_bsses(rdev, new)) { kfree(new); goto drop; } } - list_add_tail(&new->list, &dev->bss_list); - rb_insert_bss(dev, new); + list_add_tail(&new->list, &rdev->bss_list); + rb_insert_bss(rdev, new); found = new; } - dev->bss_generation++; - bss_ref_get(dev, found); - spin_unlock_bh(&dev->bss_lock); + rdev->bss_generation++; + bss_ref_get(rdev, found); + spin_unlock_bh(&rdev->bss_lock); return found; drop: - spin_unlock_bh(&dev->bss_lock); + spin_unlock_bh(&rdev->bss_lock); return NULL; } @@ -869,14 +882,16 @@ cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen, /* Returned bss is reference counted and must be cleaned up appropriately. */ struct cfg80211_bss* cfg80211_inform_bss_width(struct wiphy *wiphy, - struct ieee80211_channel *channel, + struct ieee80211_channel *rx_channel, enum nl80211_bss_scan_width scan_width, const u8 *bssid, u64 tsf, u16 capability, u16 beacon_interval, const u8 *ie, size_t ielen, s32 signal, gfp_t gfp) { struct cfg80211_bss_ies *ies; + struct ieee80211_channel *channel; struct cfg80211_internal_bss tmp = {}, *res; + bool signal_valid; if (WARN_ON(!wiphy)) return NULL; @@ -885,7 +900,7 @@ cfg80211_inform_bss_width(struct wiphy *wiphy, (signal < 0 || signal > 100))) return NULL; - channel = cfg80211_get_bss_channel(wiphy, ie, ielen, channel); + channel = cfg80211_get_bss_channel(wiphy, ie, ielen, rx_channel); if (!channel) return NULL; @@ -913,7 +928,9 @@ cfg80211_inform_bss_width(struct wiphy *wiphy, rcu_assign_pointer(tmp.pub.beacon_ies, ies); rcu_assign_pointer(tmp.pub.ies, ies); - res = cfg80211_bss_update(wiphy_to_dev(wiphy), &tmp); + signal_valid = abs(rx_channel->center_freq - channel->center_freq) <= + wiphy->max_adj_channel_rssi_comp; + res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid); if (!res) return NULL; @@ -929,20 +946,22 @@ EXPORT_SYMBOL(cfg80211_inform_bss_width); /* Returned bss is reference counted and must be cleaned up appropriately. */ struct cfg80211_bss * cfg80211_inform_bss_width_frame(struct wiphy *wiphy, - struct ieee80211_channel *channel, + struct ieee80211_channel *rx_channel, enum nl80211_bss_scan_width scan_width, struct ieee80211_mgmt *mgmt, size_t len, s32 signal, gfp_t gfp) { struct cfg80211_internal_bss tmp = {}, *res; struct cfg80211_bss_ies *ies; + struct ieee80211_channel *channel; + bool signal_valid; size_t ielen = len - offsetof(struct ieee80211_mgmt, u.probe_resp.variable); BUILD_BUG_ON(offsetof(struct ieee80211_mgmt, u.probe_resp.variable) != offsetof(struct ieee80211_mgmt, u.beacon.variable)); - trace_cfg80211_inform_bss_width_frame(wiphy, channel, scan_width, mgmt, + trace_cfg80211_inform_bss_width_frame(wiphy, rx_channel, scan_width, mgmt, len, signal); if (WARN_ON(!mgmt)) @@ -959,7 +978,7 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy, return NULL; channel = cfg80211_get_bss_channel(wiphy, mgmt->u.beacon.variable, - ielen, channel); + ielen, rx_channel); if (!channel) return NULL; @@ -983,7 +1002,9 @@ cfg80211_inform_bss_width_frame(struct wiphy *wiphy, tmp.pub.beacon_interval = le16_to_cpu(mgmt->u.probe_resp.beacon_int); tmp.pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info); - res = cfg80211_bss_update(wiphy_to_dev(wiphy), &tmp); + signal_valid = abs(rx_channel->center_freq - channel->center_freq) <= + wiphy->max_adj_channel_rssi_comp; + res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid); if (!res) return NULL; @@ -998,7 +1019,7 @@ EXPORT_SYMBOL(cfg80211_inform_bss_width_frame); void cfg80211_ref_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) { - struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct cfg80211_internal_bss *bss; if (!pub) @@ -1006,15 +1027,15 @@ void cfg80211_ref_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) bss = container_of(pub, struct cfg80211_internal_bss, pub); - spin_lock_bh(&dev->bss_lock); - bss_ref_get(dev, bss); - spin_unlock_bh(&dev->bss_lock); + spin_lock_bh(&rdev->bss_lock); + bss_ref_get(rdev, bss); + spin_unlock_bh(&rdev->bss_lock); } EXPORT_SYMBOL(cfg80211_ref_bss); void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) { - struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct cfg80211_internal_bss *bss; if (!pub) @@ -1022,15 +1043,15 @@ void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) bss = container_of(pub, struct cfg80211_internal_bss, pub); - spin_lock_bh(&dev->bss_lock); - bss_ref_put(dev, bss); - spin_unlock_bh(&dev->bss_lock); + spin_lock_bh(&rdev->bss_lock); + bss_ref_put(rdev, bss); + spin_unlock_bh(&rdev->bss_lock); } EXPORT_SYMBOL(cfg80211_put_bss); void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) { - struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct cfg80211_internal_bss *bss; if (WARN_ON(!pub)) @@ -1038,12 +1059,12 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) bss = container_of(pub, struct cfg80211_internal_bss, pub); - spin_lock_bh(&dev->bss_lock); + spin_lock_bh(&rdev->bss_lock); if (!list_empty(&bss->list)) { - if (__cfg80211_unlink_bss(dev, bss)) - dev->bss_generation++; + if (__cfg80211_unlink_bss(rdev, bss)) + rdev->bss_generation++; } - spin_unlock_bh(&dev->bss_lock); + spin_unlock_bh(&rdev->bss_lock); } EXPORT_SYMBOL(cfg80211_unlink_bss); @@ -1060,7 +1081,7 @@ cfg80211_get_dev_from_ifindex(struct net *net, int ifindex) if (!dev) return ERR_PTR(-ENODEV); if (dev->ieee80211_ptr) - rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy); + rdev = wiphy_to_rdev(dev->ieee80211_ptr->wiphy); else rdev = ERR_PTR(-ENODEV); dev_put(dev); @@ -1089,7 +1110,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, if (IS_ERR(rdev)) return PTR_ERR(rdev); - if (rdev->scan_req) { + if (rdev->scan_req || rdev->scan_msg) { err = -EBUSY; goto out; } @@ -1099,11 +1120,8 @@ int cfg80211_wext_siwscan(struct net_device *dev, /* Determine number of channels, needed to allocate creq */ if (wreq && wreq->num_channels) n_channels = wreq->num_channels; - else { - for (band = 0; band < IEEE80211_NUM_BANDS; band++) - if (wiphy->bands[band]) - n_channels += wiphy->bands[band]->n_channels; - } + else + n_channels = ieee80211_get_num_supported_channels(wiphy); creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) + n_channels * sizeof(void *), @@ -1143,7 +1161,11 @@ int cfg80211_wext_siwscan(struct net_device *dev, int k; int wiphy_freq = wiphy->bands[band]->channels[j].center_freq; for (k = 0; k < wreq->num_channels; k++) { - int wext_freq = cfg80211_wext_freq(wiphy, &wreq->channel_list[k]); + struct iw_freq *freq = + &wreq->channel_list[k]; + int wext_freq = + cfg80211_wext_freq(freq); + if (wext_freq == wiphy_freq) goto wext_freq_found; } @@ -1455,7 +1477,7 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info, } -static int ieee80211_scan_results(struct cfg80211_registered_device *dev, +static int ieee80211_scan_results(struct cfg80211_registered_device *rdev, struct iw_request_info *info, char *buf, size_t len) { @@ -1463,18 +1485,18 @@ static int ieee80211_scan_results(struct cfg80211_registered_device *dev, char *end_buf = buf + len; struct cfg80211_internal_bss *bss; - spin_lock_bh(&dev->bss_lock); - cfg80211_bss_expire(dev); + spin_lock_bh(&rdev->bss_lock); + cfg80211_bss_expire(rdev); - list_for_each_entry(bss, &dev->bss_list, list) { + list_for_each_entry(bss, &rdev->bss_list, list) { if (buf + len - current_ev <= IW_EV_ADDR_LEN) { - spin_unlock_bh(&dev->bss_lock); + spin_unlock_bh(&rdev->bss_lock); return -E2BIG; } - current_ev = ieee80211_bss(&dev->wiphy, info, bss, + current_ev = ieee80211_bss(&rdev->wiphy, info, bss, current_ev, end_buf); } - spin_unlock_bh(&dev->bss_lock); + spin_unlock_bh(&rdev->bss_lock); return current_ev - buf; } @@ -1494,7 +1516,7 @@ int cfg80211_wext_giwscan(struct net_device *dev, if (IS_ERR(rdev)) return PTR_ERR(rdev); - if (rdev->scan_req) + if (rdev->scan_req || rdev->scan_msg) return -EAGAIN; res = ieee80211_scan_results(rdev, info, extra, data->length); diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 20e86a95dc4..8bbeeb30221 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -59,29 +59,21 @@ static void cfg80211_sme_free(struct wireless_dev *wdev) static int cfg80211_conn_scan(struct wireless_dev *wdev) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_scan_request *request; int n_channels, err; ASSERT_RTNL(); - ASSERT_RDEV_LOCK(rdev); ASSERT_WDEV_LOCK(wdev); - if (rdev->scan_req) + if (rdev->scan_req || rdev->scan_msg) return -EBUSY; - if (wdev->conn->params.channel) { + if (wdev->conn->params.channel) n_channels = 1; - } else { - enum ieee80211_band band; - n_channels = 0; + else + n_channels = ieee80211_get_num_supported_channels(wdev->wiphy); - for (band = 0; band < IEEE80211_NUM_BANDS; band++) { - if (!wdev->wiphy->bands[band]) - continue; - n_channels += wdev->wiphy->bands[band]->n_channels; - } - } request = kzalloc(sizeof(*request) + sizeof(request->ssids[0]) + sizeof(request->channels[0]) * n_channels, GFP_KERNEL); @@ -138,7 +130,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) static int cfg80211_conn_do_work(struct wireless_dev *wdev) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_connect_params *params; struct cfg80211_assoc_request req = {}; int err; @@ -157,7 +149,8 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev) case CFG80211_CONN_SCAN_AGAIN: return cfg80211_conn_scan(wdev); case CFG80211_CONN_AUTHENTICATE_NEXT: - BUG_ON(!rdev->ops->auth); + if (WARN_ON(!rdev->ops->auth)) + return -EOPNOTSUPP; wdev->conn->state = CFG80211_CONN_AUTHENTICATING; return cfg80211_mlme_auth(rdev, wdev->netdev, params->channel, params->auth_type, @@ -169,7 +162,8 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev) case CFG80211_CONN_AUTH_FAILED: return -ENOTCONN; case CFG80211_CONN_ASSOCIATE_NEXT: - BUG_ON(!rdev->ops->assoc); + if (WARN_ON(!rdev->ops->assoc)) + return -EOPNOTSUPP; wdev->conn->state = CFG80211_CONN_ASSOCIATING; if (wdev->conn->prev_bssid_valid) req.prev_bssid = wdev->conn->prev_bssid; @@ -242,7 +236,6 @@ void cfg80211_conn_work(struct work_struct *work) NULL, 0, NULL, 0, WLAN_STATUS_UNSPECIFIED_FAILURE, false, NULL); - cfg80211_sme_free(wdev); } wdev_unlock(wdev); } @@ -253,7 +246,7 @@ void cfg80211_conn_work(struct work_struct *work) /* Returned bss is reference counted and must be cleaned up appropriately. */ static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_bss *bss; u16 capa = WLAN_CAPABILITY_ESS; @@ -283,7 +276,7 @@ static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev) static void __cfg80211_sme_scan_done(struct net_device *dev) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_bss *bss; ASSERT_WDEV_LOCK(wdev); @@ -314,7 +307,7 @@ void cfg80211_sme_scan_done(struct net_device *dev) void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len) { struct wiphy *wiphy = wdev->wiphy; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; u16 status_code = le16_to_cpu(mgmt->u.auth.status_code); @@ -360,7 +353,7 @@ void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len) bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); if (!wdev->conn) return false; @@ -394,7 +387,7 @@ void cfg80211_sme_deauth(struct wireless_dev *wdev) void cfg80211_sme_auth_timeout(struct wireless_dev *wdev) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); if (!wdev->conn) return; @@ -405,7 +398,7 @@ void cfg80211_sme_auth_timeout(struct wireless_dev *wdev) void cfg80211_sme_disassoc(struct wireless_dev *wdev) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); if (!wdev->conn) return; @@ -416,7 +409,7 @@ void cfg80211_sme_disassoc(struct wireless_dev *wdev) void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); if (!wdev->conn) return; @@ -429,7 +422,7 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev, struct cfg80211_connect_params *connect, const u8 *prev_bssid) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_bss *bss; int err; @@ -476,7 +469,7 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev, } wdev->conn->params.ssid = wdev->ssid; - wdev->conn->params.ssid_len = connect->ssid_len; + wdev->conn->params.ssid_len = wdev->ssid_len; /* see if we have the bss already */ bss = cfg80211_get_conn_bss(wdev); @@ -488,7 +481,6 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev, /* we're good if we have a matching bss struct */ if (bss) { - wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT; err = cfg80211_conn_do_work(wdev); cfg80211_put_bss(wdev->wiphy, bss); } else { @@ -514,7 +506,7 @@ static int cfg80211_sme_connect(struct wireless_dev *wdev, static int cfg80211_sme_disconnect(struct wireless_dev *wdev, u16 reason) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); int err; if (!wdev->conn) @@ -602,7 +594,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, return; } - nl80211_send_connect_result(wiphy_to_dev(wdev->wiphy), dev, + nl80211_send_connect_result(wiphy_to_rdev(wdev->wiphy), dev, bssid, req_ie, req_ie_len, resp_ie, resp_ie_len, status, GFP_KERNEL); @@ -632,6 +624,16 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, } #endif + if (!bss && (status == WLAN_STATUS_SUCCESS)) { + WARN_ON_ONCE(!wiphy_to_rdev(wdev->wiphy)->ops->connect); + bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid, + wdev->ssid, wdev->ssid_len, + WLAN_CAPABILITY_ESS, + WLAN_CAPABILITY_ESS); + if (bss) + cfg80211_hold_bss(bss_from_pub(bss)); + } + if (wdev->current_bss) { cfg80211_unhold_bss(wdev->current_bss); cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub); @@ -646,19 +648,12 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, cfg80211_unhold_bss(bss_from_pub(bss)); cfg80211_put_bss(wdev->wiphy, bss); } + cfg80211_sme_free(wdev); return; } - if (!bss) { - WARN_ON_ONCE(!wiphy_to_dev(wdev->wiphy)->ops->connect); - bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid, - wdev->ssid, wdev->ssid_len, - WLAN_CAPABILITY_ESS, - WLAN_CAPABILITY_ESS); - if (WARN_ON(!bss)) - return; - cfg80211_hold_bss(bss_from_pub(bss)); - } + if (WARN_ON(!bss)) + return; wdev->current_bss = bss_from_pub(bss); @@ -682,8 +677,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, * - country_ie + 2, the start of the country ie data, and * - and country_ie[1] which is the IE length */ - regulatory_hint_11d(wdev->wiphy, bss->channel->band, - country_ie + 2, country_ie[1]); + regulatory_hint_country_ie(wdev->wiphy, bss->channel->band, + country_ie + 2, country_ie[1]); kfree(country_ie); } @@ -693,7 +688,7 @@ void cfg80211_connect_result(struct net_device *dev, const u8 *bssid, u16 status, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_event *ev; unsigned long flags; @@ -748,7 +743,8 @@ void __cfg80211_roamed(struct wireless_dev *wdev, cfg80211_hold_bss(bss_from_pub(bss)); wdev->current_bss = bss_from_pub(bss); - nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), wdev->netdev, bss->bssid, + nl80211_send_roamed(wiphy_to_rdev(wdev->wiphy), + wdev->netdev, bss->bssid, req_ie, req_ie_len, resp_ie, resp_ie_len, GFP_KERNEL); @@ -807,7 +803,7 @@ void cfg80211_roamed_bss(struct net_device *dev, size_t resp_ie_len, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_event *ev; unsigned long flags; @@ -840,7 +836,7 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, size_t ie_len, u16 reason, bool from_ap) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); int i; #ifdef CONFIG_CFG80211_WEXT union iwreq_data wrqu; @@ -870,6 +866,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, for (i = 0; i < 6; i++) rdev_del_key(rdev, dev, i, false, NULL); + rdev_set_qos_map(rdev, dev, NULL); + #ifdef CONFIG_CFG80211_WEXT memset(&wrqu, 0, sizeof(wrqu)); wrqu.ap_addr.sa_family = ARPHRD_ETHER; @@ -881,10 +879,10 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, } void cfg80211_disconnected(struct net_device *dev, u16 reason, - u8 *ie, size_t ie_len, gfp_t gfp) + const u8 *ie, size_t ie_len, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_event *ev; unsigned long flags; diff --git a/net/wireless/sysfs.h b/net/wireless/sysfs.h index 65acbebd371..b533ed71daf 100644 --- a/net/wireless/sysfs.h +++ b/net/wireless/sysfs.h @@ -1,8 +1,8 @@ #ifndef __WIRELESS_SYSFS_H #define __WIRELESS_SYSFS_H -extern int wiphy_sysfs_init(void); -extern void wiphy_sysfs_exit(void); +int wiphy_sysfs_init(void); +void wiphy_sysfs_exit(void); extern struct class ieee80211_class; diff --git a/net/wireless/trace.h b/net/wireless/trace.h index ba5f0d6614d..7cc887f9da1 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -186,6 +186,28 @@ #define BOOL_TO_STR(bo) (bo) ? "true" : "false" +#define QOS_MAP_ENTRY __field(u8, num_des) \ + __array(u8, dscp_exception, \ + 2 * IEEE80211_QOS_MAP_MAX_EX) \ + __array(u8, up, IEEE80211_QOS_MAP_LEN_MIN) +#define QOS_MAP_ASSIGN(qos_map) \ + do { \ + if ((qos_map)) { \ + __entry->num_des = (qos_map)->num_des; \ + memcpy(__entry->dscp_exception, \ + &(qos_map)->dscp_exception, \ + 2 * IEEE80211_QOS_MAP_MAX_EX); \ + memcpy(__entry->up, &(qos_map)->up, \ + IEEE80211_QOS_MAP_LEN_MIN); \ + } else { \ + __entry->num_des = 0; \ + memset(__entry->dscp_exception, 0, \ + 2 * IEEE80211_QOS_MAP_MAX_EX); \ + memset(__entry->up, 0, \ + IEEE80211_QOS_MAP_LEN_MIN); \ + } \ + } while (0) + /************************************************************* * rdev->ops traces * *************************************************************/ @@ -1446,9 +1468,10 @@ TRACE_EVENT(rdev_sched_scan_start, TRACE_EVENT(rdev_tdls_mgmt, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *peer, u8 action_code, u8 dialog_token, - u16 status_code, const u8 *buf, size_t len), + u16 status_code, u32 peer_capability, + const u8 *buf, size_t len), TP_ARGS(wiphy, netdev, peer, action_code, dialog_token, status_code, - buf, len), + peer_capability, buf, len), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY @@ -1456,6 +1479,7 @@ TRACE_EVENT(rdev_tdls_mgmt, __field(u8, action_code) __field(u8, dialog_token) __field(u16, status_code) + __field(u32, peer_capability) __dynamic_array(u8, buf, len) ), TP_fast_assign( @@ -1465,13 +1489,15 @@ TRACE_EVENT(rdev_tdls_mgmt, __entry->action_code = action_code; __entry->dialog_token = dialog_token; __entry->status_code = status_code; + __entry->peer_capability = peer_capability; memcpy(__get_dynamic_array(buf), buf, len); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ", action_code: %u, " - "dialog_token: %u, status_code: %u, buf: %#.2x ", + "dialog_token: %u, status_code: %u, peer_capability: %u buf: %#.2x ", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->action_code, __entry->dialog_token, - __entry->status_code, ((u8 *)__get_dynamic_array(buf))[0]) + __entry->status_code, __entry->peer_capability, + ((u8 *)__get_dynamic_array(buf))[0]) ); TRACE_EVENT(rdev_dump_survey, @@ -1653,9 +1679,8 @@ TRACE_EVENT(rdev_cancel_remain_on_channel, TRACE_EVENT(rdev_mgmt_tx, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, - struct ieee80211_channel *chan, bool offchan, - unsigned int wait, bool no_cck, bool dont_wait_for_ack), - TP_ARGS(wiphy, wdev, chan, offchan, wait, no_cck, dont_wait_for_ack), + struct cfg80211_mgmt_tx_params *params), + TP_ARGS(wiphy, wdev, params), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY @@ -1668,11 +1693,11 @@ TRACE_EVENT(rdev_mgmt_tx, TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; - CHAN_ASSIGN(chan); - __entry->offchan = offchan; - __entry->wait = wait; - __entry->no_cck = no_cck; - __entry->dont_wait_for_ack = dont_wait_for_ack; + CHAN_ASSIGN(params->chan); + __entry->offchan = params->offchan; + __entry->wait = params->wait; + __entry->no_cck = params->no_cck; + __entry->dont_wait_for_ack = params->dont_wait_for_ack; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", " CHAN_PR_FMT ", offchan: %s," " wait: %u, no cck: %s, dont wait for ack: %s", @@ -1851,29 +1876,69 @@ TRACE_EVENT(rdev_channel_switch, WIPHY_ENTRY NETDEV_ENTRY CHAN_DEF_ENTRY - __field(u16, counter_offset_beacon) - __field(u16, counter_offset_presp) __field(bool, radar_required) __field(bool, block_tx) __field(u8, count) + __dynamic_array(u16, bcn_ofs, params->n_counter_offsets_beacon) + __dynamic_array(u16, pres_ofs, params->n_counter_offsets_presp) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; CHAN_DEF_ASSIGN(¶ms->chandef); - __entry->counter_offset_beacon = params->counter_offset_beacon; - __entry->counter_offset_presp = params->counter_offset_presp; __entry->radar_required = params->radar_required; __entry->block_tx = params->block_tx; __entry->count = params->count; + memcpy(__get_dynamic_array(bcn_ofs), + params->counter_offsets_beacon, + params->n_counter_offsets_beacon * sizeof(u16)); + + /* probe response offsets are optional */ + if (params->n_counter_offsets_presp) + memcpy(__get_dynamic_array(pres_ofs), + params->counter_offsets_presp, + params->n_counter_offsets_presp * sizeof(u16)); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT - ", block_tx: %d, count: %u, radar_required: %d" - ", counter offsets (beacon/presp): %u/%u", + ", block_tx: %d, count: %u, radar_required: %d", WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG, - __entry->block_tx, __entry->count, __entry->radar_required, - __entry->counter_offset_beacon, - __entry->counter_offset_presp) + __entry->block_tx, __entry->count, __entry->radar_required) +); + +TRACE_EVENT(rdev_set_qos_map, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + struct cfg80211_qos_map *qos_map), + TP_ARGS(wiphy, netdev, qos_map), + TP_STRUCT__entry( + WIPHY_ENTRY + NETDEV_ENTRY + QOS_MAP_ENTRY + ), + TP_fast_assign( + WIPHY_ASSIGN; + NETDEV_ASSIGN; + QOS_MAP_ASSIGN(qos_map); + ), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", num_des: %u", + WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->num_des) +); + +TRACE_EVENT(rdev_set_ap_chanwidth, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + struct cfg80211_chan_def *chandef), + TP_ARGS(wiphy, netdev, chandef), + TP_STRUCT__entry( + WIPHY_ENTRY + NETDEV_ENTRY + CHAN_DEF_ENTRY + ), + TP_fast_assign( + WIPHY_ASSIGN; + NETDEV_ASSIGN; + CHAN_DEF_ASSIGN(chandef); + ), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT, + WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG) ); /************************************************************* @@ -2029,7 +2094,8 @@ TRACE_EVENT(cfg80211_michael_mic_failure, MAC_ASSIGN(addr, addr); __entry->key_type = key_type; __entry->key_id = key_id; - memcpy(__entry->tsc, tsc, 6); + if (tsc) + memcpy(__entry->tsc, tsc, 6); ), TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT ", key type: %d, key id: %d, tsc: %pm", NETDEV_PR_ARG, MAC_PR_ARG(addr), __entry->key_type, @@ -2150,18 +2216,21 @@ TRACE_EVENT(cfg80211_cqm_rssi_notify, ); TRACE_EVENT(cfg80211_reg_can_beacon, - TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef), - TP_ARGS(wiphy, chandef), + TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype), + TP_ARGS(wiphy, chandef, iftype), TP_STRUCT__entry( WIPHY_ENTRY CHAN_DEF_ENTRY + __field(enum nl80211_iftype, iftype) ), TP_fast_assign( WIPHY_ASSIGN; CHAN_DEF_ASSIGN(chandef); + __entry->iftype = iftype; ), - TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT, - WIPHY_PR_ARG, CHAN_DEF_PR_ARG) + TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", iftype=%d", + WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->iftype) ); TRACE_EVENT(cfg80211_chandef_dfs_required, @@ -2239,11 +2308,6 @@ DECLARE_EVENT_CLASS(cfg80211_rx_evt, TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT, NETDEV_PR_ARG, MAC_PR_ARG(addr)) ); -DEFINE_EVENT(cfg80211_rx_evt, cfg80211_ibss_joined, - TP_PROTO(struct net_device *netdev, const u8 *addr), - TP_ARGS(netdev, addr) -); - DEFINE_EVENT(cfg80211_rx_evt, cfg80211_rx_spurious_frame, TP_PROTO(struct net_device *netdev, const u8 *addr), TP_ARGS(netdev, addr) @@ -2254,6 +2318,24 @@ DEFINE_EVENT(cfg80211_rx_evt, cfg80211_rx_unexpected_4addr_frame, TP_ARGS(netdev, addr) ); +TRACE_EVENT(cfg80211_ibss_joined, + TP_PROTO(struct net_device *netdev, const u8 *bssid, + struct ieee80211_channel *channel), + TP_ARGS(netdev, bssid, channel), + TP_STRUCT__entry( + NETDEV_ENTRY + MAC_ENTRY(bssid) + CHAN_ENTRY + ), + TP_fast_assign( + NETDEV_ASSIGN; + MAC_ASSIGN(bssid, bssid); + CHAN_ASSIGN(channel); + ), + TP_printk(NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", " CHAN_PR_FMT, + NETDEV_PR_ARG, MAC_PR_ARG(bssid), CHAN_PR_ARG) +); + TRACE_EVENT(cfg80211_probe_status, TP_PROTO(struct net_device *netdev, const u8 *addr, u64 cookie, bool acked), @@ -2559,6 +2641,21 @@ TRACE_EVENT(cfg80211_ft_event, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(target_ap)) ); +TRACE_EVENT(cfg80211_stop_iface, + TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), + TP_ARGS(wiphy, wdev), + TP_STRUCT__entry( + WIPHY_ENTRY + WDEV_ENTRY + ), + TP_fast_assign( + WIPHY_ASSIGN; + WDEV_ASSIGN; + ), + TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT, + WIPHY_PR_ARG, WDEV_PR_ARG) +); + #endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH diff --git a/net/wireless/util.c b/net/wireless/util.c index ce090c1c5e4..728f1c0dc70 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -10,6 +10,8 @@ #include <net/cfg80211.h> #include <net/ip.h> #include <net/dsfield.h> +#include <linux/if_vlan.h> +#include <linux/mpls.h> #include "core.h" #include "rdev-ops.h" @@ -474,7 +476,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, EXPORT_SYMBOL(ieee80211_data_to_8023); int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr, - enum nl80211_iftype iftype, u8 *bssid, bool qos) + enum nl80211_iftype iftype, + const u8 *bssid, bool qos) { struct ieee80211_hdr hdr; u16 hdrlen, ethertype; @@ -688,9 +691,11 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list, EXPORT_SYMBOL(ieee80211_amsdu_to_8023s); /* Given a data frame determine the 802.1p/1d tag to use. */ -unsigned int cfg80211_classify8021d(struct sk_buff *skb) +unsigned int cfg80211_classify8021d(struct sk_buff *skb, + struct cfg80211_qos_map *qos_map) { unsigned int dscp; + unsigned char vlan_priority; /* skb->priority values from 256->263 are magic values to * directly indicate a specific 802.1d priority. This is used @@ -700,6 +705,13 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb) if (skb->priority >= 256 && skb->priority <= 263) return skb->priority - 256; + if (vlan_tx_tag_present(skb)) { + vlan_priority = (vlan_tx_tag_get(skb) & VLAN_PRIO_MASK) + >> VLAN_PRIO_SHIFT; + if (vlan_priority > 0) + return vlan_priority; + } + switch (skb->protocol) { case htons(ETH_P_IP): dscp = ipv4_get_dsfield(ip_hdr(skb)) & 0xfc; @@ -707,10 +719,40 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb) case htons(ETH_P_IPV6): dscp = ipv6_get_dsfield(ipv6_hdr(skb)) & 0xfc; break; + case htons(ETH_P_MPLS_UC): + case htons(ETH_P_MPLS_MC): { + struct mpls_label mpls_tmp, *mpls; + + mpls = skb_header_pointer(skb, sizeof(struct ethhdr), + sizeof(*mpls), &mpls_tmp); + if (!mpls) + return 0; + + return (ntohl(mpls->entry) & MPLS_LS_TC_MASK) + >> MPLS_LS_TC_SHIFT; + } + case htons(ETH_P_80221): + /* 802.21 is always network control traffic */ + return 7; default: return 0; } + if (qos_map) { + unsigned int i, tmp_dscp = dscp >> 2; + + for (i = 0; i < qos_map->num_des; i++) { + if (tmp_dscp == qos_map->dscp_exception[i].dscp) + return qos_map->dscp_exception[i].up; + } + + for (i = 0; i < 8; i++) { + if (tmp_dscp >= qos_map->up[i].low && + tmp_dscp <= qos_map->up[i].high) + return i; + } + } + return dscp >> 5; } EXPORT_SYMBOL(cfg80211_classify8021d); @@ -729,7 +771,7 @@ EXPORT_SYMBOL(ieee80211_bss_get_ie); void cfg80211_upload_connect_keys(struct wireless_dev *wdev) { - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct net_device *dev = wdev->netdev; int i; @@ -795,7 +837,11 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev) ev->dc.reason, true); break; case EVENT_IBSS_JOINED: - __cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid); + __cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid, + ev->ij.channel); + break; + case EVENT_STOPPED: + __cfg80211_leave(wiphy_to_rdev(wdev->wiphy), wdev); break; } wdev_unlock(wdev); @@ -812,7 +858,6 @@ void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev) struct wireless_dev *wdev; ASSERT_RTNL(); - ASSERT_RDEV_LOCK(rdev); list_for_each_entry(wdev, &rdev->wdev_list, list) cfg80211_process_wdev_events(wdev); @@ -825,7 +870,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, int err; enum nl80211_iftype otype = dev->ieee80211_ptr->iftype; - ASSERT_RDEV_LOCK(rdev); + ASSERT_RTNL(); /* don't support changing VLANs, you just re-create them */ if (otype == NL80211_IFTYPE_AP_VLAN) @@ -847,17 +892,15 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, return -EBUSY; if (ntype != otype && netif_running(dev)) { - err = cfg80211_can_change_interface(rdev, dev->ieee80211_ptr, - ntype); - if (err) - return err; - dev->ieee80211_ptr->use_4addr = false; dev->ieee80211_ptr->mesh_id_up_len = 0; + wdev_lock(dev->ieee80211_ptr); + rdev_set_qos_map(rdev, dev, NULL); + wdev_unlock(dev->ieee80211_ptr); switch (otype) { case NL80211_IFTYPE_AP: - cfg80211_stop_ap(rdev, dev); + cfg80211_stop_ap(rdev, dev, true); break; case NL80211_IFTYPE_ADHOC: cfg80211_leave_ibss(rdev, dev, false); @@ -1224,6 +1267,120 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, return res; } +int cfg80211_iter_combinations(struct wiphy *wiphy, + const int num_different_channels, + const u8 radar_detect, + const int iftype_num[NUM_NL80211_IFTYPES], + void (*iter)(const struct ieee80211_iface_combination *c, + void *data), + void *data) +{ + const struct ieee80211_regdomain *regdom; + enum nl80211_dfs_regions region = 0; + int i, j, iftype; + int num_interfaces = 0; + u32 used_iftypes = 0; + + if (radar_detect) { + rcu_read_lock(); + regdom = rcu_dereference(cfg80211_regdomain); + if (regdom) + region = regdom->dfs_region; + rcu_read_unlock(); + } + + for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) { + num_interfaces += iftype_num[iftype]; + if (iftype_num[iftype] > 0 && + !(wiphy->software_iftypes & BIT(iftype))) + used_iftypes |= BIT(iftype); + } + + for (i = 0; i < wiphy->n_iface_combinations; i++) { + const struct ieee80211_iface_combination *c; + struct ieee80211_iface_limit *limits; + u32 all_iftypes = 0; + + c = &wiphy->iface_combinations[i]; + + if (num_interfaces > c->max_interfaces) + continue; + if (num_different_channels > c->num_different_channels) + continue; + + limits = kmemdup(c->limits, sizeof(limits[0]) * c->n_limits, + GFP_KERNEL); + if (!limits) + return -ENOMEM; + + for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) { + if (wiphy->software_iftypes & BIT(iftype)) + continue; + for (j = 0; j < c->n_limits; j++) { + all_iftypes |= limits[j].types; + if (!(limits[j].types & BIT(iftype))) + continue; + if (limits[j].max < iftype_num[iftype]) + goto cont; + limits[j].max -= iftype_num[iftype]; + } + } + + if (radar_detect != (c->radar_detect_widths & radar_detect)) + goto cont; + + if (radar_detect && c->radar_detect_regions && + !(c->radar_detect_regions & BIT(region))) + goto cont; + + /* Finally check that all iftypes that we're currently + * using are actually part of this combination. If they + * aren't then we can't use this combination and have + * to continue to the next. + */ + if ((all_iftypes & used_iftypes) != used_iftypes) + goto cont; + + /* This combination covered all interface types and + * supported the requested numbers, so we're good. + */ + + (*iter)(c, data); + cont: + kfree(limits); + } + + return 0; +} +EXPORT_SYMBOL(cfg80211_iter_combinations); + +static void +cfg80211_iter_sum_ifcombs(const struct ieee80211_iface_combination *c, + void *data) +{ + int *num = data; + (*num)++; +} + +int cfg80211_check_combinations(struct wiphy *wiphy, + const int num_different_channels, + const u8 radar_detect, + const int iftype_num[NUM_NL80211_IFTYPES]) +{ + int err, num = 0; + + err = cfg80211_iter_combinations(wiphy, num_different_channels, + radar_detect, iftype_num, + cfg80211_iter_sum_ifcombs, &num); + if (err) + return err; + if (num == 0) + return -EBUSY; + + return 0; +} +EXPORT_SYMBOL(cfg80211_check_combinations); + int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev, enum nl80211_iftype iftype, @@ -1232,7 +1389,6 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, u8 radar_detect) { struct wireless_dev *wdev_iter; - u32 used_iftypes = BIT(iftype); int num[NUM_NL80211_IFTYPES]; struct ieee80211_channel *used_channels[CFG80211_MAX_NUM_DIFFERENT_CHANNELS]; @@ -1240,37 +1396,14 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, enum cfg80211_chan_mode chmode; int num_different_channels = 0; int total = 1; - bool radar_required; - int i, j; + int i; ASSERT_RTNL(); if (WARN_ON(hweight32(radar_detect) > 1)) return -EINVAL; - switch (iftype) { - case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_AP_VLAN: - case NL80211_IFTYPE_MESH_POINT: - case NL80211_IFTYPE_P2P_GO: - case NL80211_IFTYPE_WDS: - radar_required = !!(chan && - (chan->flags & IEEE80211_CHAN_RADAR)); - break; - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_P2P_DEVICE: - case NL80211_IFTYPE_MONITOR: - radar_required = false; - break; - case NUM_NL80211_IFTYPES: - case NL80211_IFTYPE_UNSPECIFIED: - default: - return -EINVAL; - } - - if (radar_required && !radar_detect) + if (WARN_ON(iftype >= NUM_NL80211_IFTYPES)) return -EINVAL; /* Always allow software iftypes */ @@ -1285,6 +1418,11 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, num[iftype] = 1; + /* TODO: We'll probably not need this anymore, since this + * should only be called with CHAN_MODE_UNDEFINED. There are + * still a couple of pending calls where other chanmodes are + * used, but we should get rid of them. + */ switch (chanmode) { case CHAN_MODE_UNDEFINED: break; @@ -1322,7 +1460,7 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, */ mutex_lock_nested(&wdev_iter->mtx, 1); __acquire(wdev_iter->mtx); - cfg80211_get_chan_state(wdev_iter, &ch, &chmode); + cfg80211_get_chan_state(wdev_iter, &ch, &chmode, &radar_detect); wdev_unlock(wdev_iter); switch (chmode) { @@ -1348,65 +1486,13 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, num[wdev_iter->iftype]++; total++; - used_iftypes |= BIT(wdev_iter->iftype); } if (total == 1 && !radar_detect) return 0; - for (i = 0; i < rdev->wiphy.n_iface_combinations; i++) { - const struct ieee80211_iface_combination *c; - struct ieee80211_iface_limit *limits; - u32 all_iftypes = 0; - - c = &rdev->wiphy.iface_combinations[i]; - - if (total > c->max_interfaces) - continue; - if (num_different_channels > c->num_different_channels) - continue; - - limits = kmemdup(c->limits, sizeof(limits[0]) * c->n_limits, - GFP_KERNEL); - if (!limits) - return -ENOMEM; - - for (iftype = 0; iftype < NUM_NL80211_IFTYPES; iftype++) { - if (rdev->wiphy.software_iftypes & BIT(iftype)) - continue; - for (j = 0; j < c->n_limits; j++) { - all_iftypes |= limits[j].types; - if (!(limits[j].types & BIT(iftype))) - continue; - if (limits[j].max < num[iftype]) - goto cont; - limits[j].max -= num[iftype]; - } - } - - if (radar_detect && !(c->radar_detect_widths & radar_detect)) - goto cont; - - /* - * Finally check that all iftypes that we're currently - * using are actually part of this combination. If they - * aren't then we can't use this combination and have - * to continue to the next. - */ - if ((all_iftypes & used_iftypes) != used_iftypes) - goto cont; - - /* - * This combination covered all interface types and - * supported the requested numbers, so we're good. - */ - kfree(limits); - return 0; - cont: - kfree(limits); - } - - return -EBUSY; + return cfg80211_check_combinations(&rdev->wiphy, num_different_channels, + radar_detect, num); } int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, @@ -1447,6 +1533,37 @@ int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, return 0; } +unsigned int ieee80211_get_num_supported_channels(struct wiphy *wiphy) +{ + enum ieee80211_band band; + unsigned int n_channels = 0; + + for (band = 0; band < IEEE80211_NUM_BANDS; band++) + if (wiphy->bands[band]) + n_channels += wiphy->bands[band]->n_channels; + + return n_channels; +} +EXPORT_SYMBOL(ieee80211_get_num_supported_channels); + +int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr, + struct station_info *sinfo) +{ + struct cfg80211_registered_device *rdev; + struct wireless_dev *wdev; + + wdev = dev->ieee80211_ptr; + if (!wdev) + return -EOPNOTSUPP; + + rdev = wiphy_to_rdev(wdev->wiphy); + if (!rdev->ops->get_station) + return -EOPNOTSUPP; + + return rdev_get_station(rdev, dev, mac_addr, sinfo); +} +EXPORT_SYMBOL(cfg80211_get_station); + /* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ /* Ethernet-II snap header (RFC1042 for most EtherTypes) */ const unsigned char rfc1042_header[] __aligned(2) = diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index e7c6e862580..11120bb1416 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -73,7 +73,7 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, struct vif_params vifparams; enum nl80211_iftype type; - rdev = wiphy_to_dev(wdev->wiphy); + rdev = wiphy_to_rdev(wdev->wiphy); switch (*mode) { case IW_MODE_INFRA: @@ -253,12 +253,12 @@ EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange); /** * cfg80211_wext_freq - get wext frequency for non-"auto" - * @wiphy: the wiphy + * @dev: the net device * @freq: the wext freq encoding * * Returns a frequency, or a negative error code, or 0 for auto. */ -int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq) +int cfg80211_wext_freq(struct iw_freq *freq) { /* * Parse frequency - return 0 for auto and @@ -286,7 +286,7 @@ int cfg80211_wext_siwrts(struct net_device *dev, struct iw_param *rts, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); u32 orts = wdev->wiphy->rts_threshold; int err; @@ -324,7 +324,7 @@ int cfg80211_wext_siwfrag(struct net_device *dev, struct iw_param *frag, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); u32 ofrag = wdev->wiphy->frag_threshold; int err; @@ -364,13 +364,13 @@ static int cfg80211_wext_siwretry(struct net_device *dev, struct iw_param *retry, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); u32 changed = 0; u8 olong = wdev->wiphy->retry_long; u8 oshort = wdev->wiphy->retry_short; int err; - if (retry->disabled || + if (retry->disabled || retry->value < 1 || retry->value > 255 || (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) return -EINVAL; @@ -412,9 +412,9 @@ int cfg80211_wext_giwretry(struct net_device *dev, * First return short value, iwconfig will ask long value * later if needed */ - retry->flags |= IW_RETRY_LIMIT; + retry->flags |= IW_RETRY_LIMIT | IW_RETRY_SHORT; retry->value = wdev->wiphy->retry_short; - if (wdev->wiphy->retry_long != wdev->wiphy->retry_short) + if (wdev->wiphy->retry_long == wdev->wiphy->retry_short) retry->flags |= IW_RETRY_LONG; return 0; @@ -587,7 +587,7 @@ static int cfg80211_wext_siwencode(struct net_device *dev, struct iw_point *erq, char *keybuf) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); int idx, err; bool remove = false; struct key_params params; @@ -647,7 +647,7 @@ static int cfg80211_wext_siwencodeext(struct net_device *dev, struct iw_point *erq, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; const u8 *addr; int idx; @@ -775,7 +775,7 @@ static int cfg80211_wext_siwfreq(struct net_device *dev, struct iw_freq *wextfreq, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_chan_def chandef = { .width = NL80211_CHAN_WIDTH_20_NOHT, }; @@ -787,7 +787,7 @@ static int cfg80211_wext_siwfreq(struct net_device *dev, case NL80211_IFTYPE_ADHOC: return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); case NL80211_IFTYPE_MONITOR: - freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); + freq = cfg80211_wext_freq(wextfreq); if (freq < 0) return freq; if (freq == 0) @@ -798,7 +798,7 @@ static int cfg80211_wext_siwfreq(struct net_device *dev, return -EINVAL; return cfg80211_set_monitor_channel(rdev, &chandef); case NL80211_IFTYPE_MESH_POINT: - freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); + freq = cfg80211_wext_freq(wextfreq); if (freq < 0) return freq; if (freq == 0) @@ -818,7 +818,7 @@ static int cfg80211_wext_giwfreq(struct net_device *dev, struct iw_freq *freq, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_chan_def chandef; int ret; @@ -847,7 +847,7 @@ static int cfg80211_wext_siwtxpower(struct net_device *dev, union iwreq_data *data, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); enum nl80211_tx_power_setting type; int dbm = 0; @@ -899,7 +899,7 @@ static int cfg80211_wext_giwtxpower(struct net_device *dev, union iwreq_data *data, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); int err, val; if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) @@ -1119,7 +1119,7 @@ static int cfg80211_wext_siwpower(struct net_device *dev, struct iw_param *wrq, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); bool ps = wdev->ps; int timeout = wdev->ps_timeout; int err; @@ -1177,7 +1177,7 @@ static int cfg80211_wds_wext_siwap(struct net_device *dev, struct sockaddr *addr, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); int err; if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS)) @@ -1221,7 +1221,7 @@ static int cfg80211_wext_siwrate(struct net_device *dev, struct iw_param *rate, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_bitrate_mask mask; u32 fixed, maxrate; struct ieee80211_supported_band *sband; @@ -1272,7 +1272,7 @@ static int cfg80211_wext_giwrate(struct net_device *dev, struct iw_param *rate, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); /* we are under RTNL - globally locked - so can use a static struct */ static struct station_info sinfo; u8 addr[ETH_ALEN]; @@ -1310,7 +1310,7 @@ static int cfg80211_wext_giwrate(struct net_device *dev, static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); /* we are under RTNL - globally locked - so can use static structs */ static struct iw_statistics wstats; static struct station_info sinfo; @@ -1449,7 +1449,7 @@ static int cfg80211_wext_siwpmksa(struct net_device *dev, struct iw_point *data, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_pmksa cfg_pmksa; struct iw_pmksa *pmksa = (struct iw_pmksa *)extra; diff --git a/net/wireless/wext-compat.h b/net/wireless/wext-compat.h index 5d766b0118e..ebcacca2f73 100644 --- a/net/wireless/wext-compat.h +++ b/net/wireless/wext-compat.h @@ -50,7 +50,7 @@ int cfg80211_wext_siwgenie(struct net_device *dev, struct iw_point *data, char *extra); -int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq); +int cfg80211_wext_freq(struct iw_freq *freq); extern const struct iw_handler_def cfg80211_wext_handler; diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c index 14c9a2583ba..c7e5c8eb4f2 100644 --- a/net/wireless/wext-sme.c +++ b/net/wireless/wext-sme.c @@ -21,7 +21,7 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, const u8 *prev_bssid = NULL; int err, i; - ASSERT_RDEV_LOCK(rdev); + ASSERT_RTNL(); ASSERT_WDEV_LOCK(wdev); if (!netif_running(wdev->netdev)) @@ -67,7 +67,7 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev, struct iw_freq *wextfreq, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct ieee80211_channel *chan = NULL; int err, freq; @@ -75,7 +75,7 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev, if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION)) return -EINVAL; - freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); + freq = cfg80211_wext_freq(wextfreq); if (freq < 0) return freq; @@ -169,7 +169,7 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev, struct iw_point *data, char *ssid) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); size_t len = data->length; int err; @@ -260,7 +260,7 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev, struct sockaddr *ap_addr, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); u8 *bssid = ap_addr->sa_data; int err; @@ -333,7 +333,7 @@ int cfg80211_wext_siwgenie(struct net_device *dev, struct iw_point *data, char *extra) { struct wireless_dev *wdev = dev->ieee80211_ptr; - struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); u8 *ie = extra; int ie_len = data->length, err; @@ -390,7 +390,7 @@ int cfg80211_wext_siwmlme(struct net_device *dev, if (!wdev) return -EOPNOTSUPP; - rdev = wiphy_to_dev(wdev->wiphy); + rdev = wiphy_to_rdev(wdev->wiphy); if (wdev->iftype != NL80211_IFTYPE_STATION) return -EINVAL; |
