diff options
Diffstat (limited to 'net/wireless')
-rw-r--r-- | net/wireless/chan.c | 377 | ||||
-rw-r--r-- | net/wireless/core.c | 104 | ||||
-rw-r--r-- | net/wireless/core.h | 18 | ||||
-rw-r--r-- | net/wireless/mlme.c | 123 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 1488 | ||||
-rw-r--r-- | net/wireless/nl80211.h | 3 | ||||
-rw-r--r-- | net/wireless/pmsr.c | 4 | ||||
-rw-r--r-- | net/wireless/rdev-ops.h | 78 | ||||
-rw-r--r-- | net/wireless/reg.c | 92 | ||||
-rw-r--r-- | net/wireless/scan.c | 319 | ||||
-rw-r--r-- | net/wireless/sme.c | 50 | ||||
-rw-r--r-- | net/wireless/tests/chan.c | 2 | ||||
-rw-r--r-- | net/wireless/tests/scan.c | 4 | ||||
-rw-r--r-- | net/wireless/trace.h | 244 | ||||
-rw-r--r-- | net/wireless/util.c | 102 | ||||
-rw-r--r-- | net/wireless/wext-compat.c | 323 | ||||
-rw-r--r-- | net/wireless/wext-core.c | 6 | ||||
-rw-r--r-- | net/wireless/wext-sme.c | 43 |
18 files changed, 2205 insertions, 1175 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 40b6375a5de4..193734b7f9dc 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -6,7 +6,7 @@ * * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH - * Copyright 2018-2024 Intel Corporation + * Copyright 2018-2025 Intel Corporation */ #include <linux/export.h> @@ -55,6 +55,51 @@ void cfg80211_chandef_create(struct cfg80211_chan_def *chandef, } EXPORT_SYMBOL(cfg80211_chandef_create); +static u32 cfg80211_get_start_freq(const struct cfg80211_chan_def *chandef, + u32 cf) +{ + u32 start_freq, center_freq, bandwidth; + + center_freq = MHZ_TO_KHZ((cf == 1) ? + chandef->center_freq1 : chandef->center_freq2); + bandwidth = MHZ_TO_KHZ(cfg80211_chandef_get_width(chandef)); + + if (bandwidth <= MHZ_TO_KHZ(20)) + start_freq = center_freq; + else + start_freq = center_freq - bandwidth / 2 + MHZ_TO_KHZ(10); + + return start_freq; +} + +static u32 cfg80211_get_end_freq(const struct cfg80211_chan_def *chandef, + u32 cf) +{ + u32 end_freq, center_freq, bandwidth; + + center_freq = MHZ_TO_KHZ((cf == 1) ? + chandef->center_freq1 : chandef->center_freq2); + bandwidth = MHZ_TO_KHZ(cfg80211_chandef_get_width(chandef)); + + if (bandwidth <= MHZ_TO_KHZ(20)) + end_freq = center_freq; + else + end_freq = center_freq + bandwidth / 2 - MHZ_TO_KHZ(10); + + return end_freq; +} + +#define for_each_subchan(chandef, freq, cf) \ + for (u32 punctured = chandef->punctured, \ + cf = 1, freq = cfg80211_get_start_freq(chandef, cf); \ + freq <= cfg80211_get_end_freq(chandef, cf); \ + freq += MHZ_TO_KHZ(20), \ + ((cf == 1 && chandef->center_freq2 != 0 && \ + freq > cfg80211_get_end_freq(chandef, cf)) ? \ + (cf++, freq = cfg80211_get_start_freq(chandef, cf), \ + punctured = 0) : (punctured >>= 1))) \ + if (!(punctured & 1)) + struct cfg80211_per_bw_puncturing_values { u8 len; const u16 *valid_values; @@ -258,11 +303,6 @@ int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width) } EXPORT_SYMBOL(nl80211_chan_width_to_mhz); -static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c) -{ - return nl80211_chan_width_to_mhz(c->width); -} - static bool cfg80211_valid_center_freq(u32 center, enum nl80211_chan_width width) { @@ -582,29 +622,11 @@ cfg80211_chandef_compatible(const struct cfg80211_chan_def *c1, } EXPORT_SYMBOL(cfg80211_chandef_compatible); -static void cfg80211_set_chans_dfs_state(struct wiphy *wiphy, u32 center_freq, - u32 bandwidth, - enum nl80211_dfs_state dfs_state) -{ - struct ieee80211_channel *c; - u32 freq; - - for (freq = center_freq - bandwidth/2 + 10; - freq <= center_freq + bandwidth/2 - 10; - freq += 20) { - c = ieee80211_get_channel(wiphy, freq); - if (!c || !(c->flags & IEEE80211_CHAN_RADAR)) - continue; - - c->dfs_state = dfs_state; - c->dfs_state_entered = jiffies; - } -} - void cfg80211_set_dfs_state(struct wiphy *wiphy, const struct cfg80211_chan_def *chandef, enum nl80211_dfs_state dfs_state) { + struct ieee80211_channel *c; int width; if (WARN_ON(!cfg80211_chandef_valid(chandef))) @@ -614,41 +636,14 @@ void cfg80211_set_dfs_state(struct wiphy *wiphy, if (width < 0) return; - cfg80211_set_chans_dfs_state(wiphy, chandef->center_freq1, - width, dfs_state); - - if (!chandef->center_freq2) - return; - cfg80211_set_chans_dfs_state(wiphy, chandef->center_freq2, - width, dfs_state); -} - -static u32 cfg80211_get_start_freq(u32 center_freq, - u32 bandwidth) -{ - u32 start_freq; - - bandwidth = MHZ_TO_KHZ(bandwidth); - if (bandwidth <= MHZ_TO_KHZ(20)) - start_freq = center_freq; - else - start_freq = center_freq - bandwidth / 2 + MHZ_TO_KHZ(10); - - return start_freq; -} - -static u32 cfg80211_get_end_freq(u32 center_freq, - u32 bandwidth) -{ - u32 end_freq; - - bandwidth = MHZ_TO_KHZ(bandwidth); - if (bandwidth <= MHZ_TO_KHZ(20)) - end_freq = center_freq; - else - end_freq = center_freq + bandwidth / 2 - MHZ_TO_KHZ(10); + for_each_subchan(chandef, freq, cf) { + c = ieee80211_get_channel_khz(wiphy, freq); + if (!c || !(c->flags & IEEE80211_CHAN_RADAR)) + continue; - return end_freq; + c->dfs_state = dfs_state; + c->dfs_state_entered = jiffies; + } } static bool @@ -725,17 +720,12 @@ static bool cfg80211_dfs_permissive_chan(struct wiphy *wiphy, } static int cfg80211_get_chans_dfs_required(struct wiphy *wiphy, - u32 center_freq, - u32 bandwidth, - enum nl80211_iftype iftype) + const struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype) { 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 += MHZ_TO_KHZ(20)) { + for_each_subchan(chandef, freq, cf) { c = ieee80211_get_channel_khz(wiphy, freq); if (!c) return -EINVAL; @@ -768,25 +758,9 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy, if (width < 0) return -EINVAL; - ret = cfg80211_get_chans_dfs_required(wiphy, - ieee80211_chandef_to_khz(chandef), - width, iftype); - 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, - MHZ_TO_KHZ(chandef->center_freq2), - width, iftype); - if (ret < 0) - return ret; - else if (ret > 0) - return BIT(chandef->width); + ret = cfg80211_get_chans_dfs_required(wiphy, chandef, iftype); + return (ret > 0) ? BIT(chandef->width) : ret; break; case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_OCB: @@ -806,16 +780,18 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_chandef_dfs_required); -static int cfg80211_get_chans_dfs_usable(struct wiphy *wiphy, - u32 center_freq, - u32 bandwidth) +bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef) { struct ieee80211_channel *c; - u32 freq, start_freq, end_freq; - int count = 0; + int width, count = 0; + + if (WARN_ON(!cfg80211_chandef_valid(chandef))) + return false; - start_freq = cfg80211_get_start_freq(center_freq, bandwidth); - end_freq = cfg80211_get_end_freq(center_freq, bandwidth); + width = cfg80211_chandef_get_width(chandef); + if (width < 0) + return false; /* * Check entire range of channels for the bandwidth. @@ -823,61 +799,24 @@ static int cfg80211_get_chans_dfs_usable(struct wiphy *wiphy, * DFS_AVAILABLE). Return number of usable channels * (require CAC). Allow DFS and non-DFS channel mix. */ - for (freq = start_freq; freq <= end_freq; freq += MHZ_TO_KHZ(20)) { + for_each_subchan(chandef, freq, cf) { c = ieee80211_get_channel_khz(wiphy, freq); if (!c) - return -EINVAL; + return false; if (c->flags & IEEE80211_CHAN_DISABLED) - return -EINVAL; + return false; if (c->flags & IEEE80211_CHAN_RADAR) { if (c->dfs_state == NL80211_DFS_UNAVAILABLE) - return -EINVAL; + return false; 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 false; - - r1 = cfg80211_get_chans_dfs_usable(wiphy, - MHZ_TO_KHZ(chandef->center_freq1), - width); - - if (r1 < 0) - return false; - - switch (chandef->width) { - case NL80211_CHAN_WIDTH_80P80: - WARN_ON(!chandef->center_freq2); - r2 = cfg80211_get_chans_dfs_usable(wiphy, - MHZ_TO_KHZ(chandef->center_freq2), - width); - if (r2 < 0) - return false; - break; - default: - WARN_ON(chandef->center_freq2); - break; - } - - return (r1 + r2 > 0); + return count > 0; } EXPORT_SYMBOL(cfg80211_chandef_dfs_usable); @@ -1039,10 +978,10 @@ bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy, if (!reg_dfs_domain_same(wiphy, &rdev->wiphy)) continue; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + found = cfg80211_is_wiphy_oper_chan(&rdev->wiphy, chan) || cfg80211_offchan_chain_is_active(rdev, chan); - wiphy_unlock(&rdev->wiphy); if (found) return true; @@ -1051,26 +990,29 @@ bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy, return false; } -static bool cfg80211_get_chans_dfs_available(struct wiphy *wiphy, - u32 center_freq, - u32 bandwidth) +static bool cfg80211_chandef_dfs_available(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef) { struct ieee80211_channel *c; - u32 freq, start_freq, end_freq; + int width; bool dfs_offload; + if (WARN_ON(!cfg80211_chandef_valid(chandef))) + return false; + + width = cfg80211_chandef_get_width(chandef); + if (width < 0) + return false; + dfs_offload = wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD); - 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 += MHZ_TO_KHZ(20)) { + for_each_subchan(chandef, freq, cf) { c = ieee80211_get_channel_khz(wiphy, freq); if (!c) return false; @@ -1087,124 +1029,54 @@ static bool cfg80211_get_chans_dfs_available(struct wiphy *wiphy, return true; } -static bool cfg80211_chandef_dfs_available(struct wiphy *wiphy, - const struct cfg80211_chan_def *chandef) +unsigned int +cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy, + const struct cfg80211_chan_def *chandef) { + struct ieee80211_channel *c; int width; - int r; + unsigned int t1 = 0, t2 = 0; if (WARN_ON(!cfg80211_chandef_valid(chandef))) - return false; + return 0; width = cfg80211_chandef_get_width(chandef); if (width < 0) - return false; - - r = cfg80211_get_chans_dfs_available(wiphy, - MHZ_TO_KHZ(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, - MHZ_TO_KHZ(chandef->center_freq2), - width); - break; - 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); + return 0; - for (freq = start_freq; freq <= end_freq; freq += MHZ_TO_KHZ(20)) { + for_each_subchan(chandef, freq, cf) { c = ieee80211_get_channel_khz(wiphy, freq); - if (!c) - return 0; - - if (c->flags & IEEE80211_CHAN_DISABLED) - return 0; + if (!c || (c->flags & IEEE80211_CHAN_DISABLED)) { + if (cf == 1) + t1 = INT_MAX; + else + t2 = INT_MAX; + continue; + } if (!(c->flags & IEEE80211_CHAN_RADAR)) continue; - if (c->dfs_cac_ms > dfs_cac_ms) - dfs_cac_ms = c->dfs_cac_ms; - } + if (cf == 1 && c->dfs_cac_ms > t1) + t1 = 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; + if (cf == 2 && c->dfs_cac_ms > t2) + t2 = c->dfs_cac_ms; + } - width = cfg80211_chandef_get_width(chandef); - if (width < 0) + if (t1 == INT_MAX && t2 == INT_MAX) return 0; - t1 = cfg80211_get_chans_dfs_cac_time(wiphy, - MHZ_TO_KHZ(chandef->center_freq1), - width); + if (t1 == INT_MAX) + return t2; - if (!chandef->center_freq2) + if (t2 == INT_MAX) return t1; - t2 = cfg80211_get_chans_dfs_cac_time(wiphy, - MHZ_TO_KHZ(chandef->center_freq2), - width); - return max(t1, t2); } EXPORT_SYMBOL(cfg80211_chandef_dfs_cac_time); -static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy, - u32 center_freq, u32 bandwidth, - u32 prohibited_flags, - u32 permitting_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 += MHZ_TO_KHZ(20)) { - c = ieee80211_get_channel_khz(wiphy, freq); - if (!c) - return false; - if (c->flags & permitting_flags) - continue; - if (c->flags & prohibited_flags) - return false; - } - - return true; -} - /* check if the operating channels are valid and supported */ static bool cfg80211_edmg_usable(struct wiphy *wiphy, u8 edmg_channels, enum ieee80211_edmg_bw_config edmg_bw_config, @@ -1270,6 +1142,7 @@ bool _cfg80211_chandef_usable(struct wiphy *wiphy, bool ext_nss_cap, support_80_80 = false, support_320 = false; const struct ieee80211_sband_iftype_data *iftd; struct ieee80211_supported_band *sband; + struct ieee80211_channel *c; int i; if (WARN_ON(!cfg80211_chandef_valid(chandef))) @@ -1420,19 +1293,17 @@ bool _cfg80211_chandef_usable(struct wiphy *wiphy, if (width < 20) prohibited_flags |= IEEE80211_CHAN_NO_OFDM; + for_each_subchan(chandef, freq, cf) { + c = ieee80211_get_channel_khz(wiphy, freq); + if (!c) + return false; + if (c->flags & permitting_flags) + continue; + if (c->flags & prohibited_flags) + return false; + } - if (!cfg80211_secondary_chans_ok(wiphy, - ieee80211_chandef_to_khz(chandef), - width, prohibited_flags, - permitting_flags)) - return false; - - if (!chandef->center_freq2) - return true; - return cfg80211_secondary_chans_ok(wiphy, - MHZ_TO_KHZ(chandef->center_freq2), - width, prohibited_flags, - permitting_flags); + return true; } bool cfg80211_chandef_usable(struct wiphy *wiphy, @@ -1621,6 +1492,12 @@ bool cfg80211_reg_check_beaconing(struct wiphy *wiphy, if (cfg->reg_power == IEEE80211_REG_VLP_AP) permitting_flags |= IEEE80211_CHAN_ALLOW_6GHZ_VLP_AP; + if ((cfg->iftype == NL80211_IFTYPE_P2P_GO || + cfg->iftype == NL80211_IFTYPE_AP) && + (chandef->width == NL80211_CHAN_WIDTH_20_NOHT || + chandef->width == NL80211_CHAN_WIDTH_20)) + permitting_flags |= IEEE80211_CHAN_ALLOW_20MHZ_ACTIVITY; + return _cfg80211_reg_can_beacon(wiphy, chandef, cfg->iftype, check_no_ir ? IEEE80211_CHAN_NO_IR : 0, permitting_flags); diff --git a/net/wireless/core.c b/net/wireless/core.c index afbdc549fb4a..a7e2931ffb2e 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -5,7 +5,7 @@ * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018-2024 Intel Corporation + * Copyright (C) 2018-2025 Intel Corporation */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -143,10 +143,7 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, if (result) return result; - if (!IS_ERR_OR_NULL(rdev->wiphy.debugfsdir)) - debugfs_rename(rdev->wiphy.debugfsdir->d_parent, - rdev->wiphy.debugfsdir, - rdev->wiphy.debugfsdir->d_parent, newname); + debugfs_change_name(rdev->wiphy.debugfsdir, "%s", newname); nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY); @@ -165,11 +162,11 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { if (!wdev->netdev) continue; - wdev->netdev->netns_local = false; + wdev->netdev->netns_immutable = false; err = dev_change_net_namespace(wdev->netdev, net, "wlan%d"); if (err) break; - wdev->netdev->netns_local = true; + wdev->netdev->netns_immutable = true; } if (err) { @@ -181,17 +178,18 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, list) { if (!wdev->netdev) continue; - wdev->netdev->netns_local = false; + wdev->netdev->netns_immutable = false; err = dev_change_net_namespace(wdev->netdev, net, "wlan%d"); WARN_ON(err); - wdev->netdev->netns_local = true; + wdev->netdev->netns_immutable = true; } return err; } - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { if (!wdev->netdev) continue; @@ -212,7 +210,6 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, continue; nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE); } - wiphy_unlock(&rdev->wiphy); return 0; } @@ -221,9 +218,9 @@ static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data) { struct cfg80211_registered_device *rdev = data; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + rdev_rfkill_poll(rdev); - wiphy_unlock(&rdev->wiphy); } void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, @@ -242,7 +239,7 @@ void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, rdev->opencount--; - if (rdev->scan_req && rdev->scan_req->wdev == wdev) { + if (rdev->scan_req && rdev->scan_req->req.wdev == wdev) { if (WARN_ON(!rdev->scan_req->notified && (!rdev->int_scan_req || !rdev->int_scan_req->notified))) @@ -283,7 +280,7 @@ void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy) /* otherwise, check iftype */ - wiphy_lock(wiphy); + guard(wiphy)(wiphy); switch (wdev->iftype) { case NL80211_IFTYPE_P2P_DEVICE: @@ -295,8 +292,6 @@ void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy) default: break; } - - wiphy_unlock(wiphy); } } EXPORT_SYMBOL_GPL(cfg80211_shutdown_all_interfaces); @@ -331,9 +326,9 @@ static void cfg80211_event_work(struct work_struct *work) rdev = container_of(work, struct cfg80211_registered_device, event_work); - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + cfg80211_process_rdev_events(rdev); - wiphy_unlock(&rdev->wiphy); } void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev) @@ -347,10 +342,10 @@ void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev) if (wdev->netdev) dev_close(wdev->netdev); - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + cfg80211_leave(rdev, wdev); cfg80211_remove_virtual_intf(rdev, wdev); - wiphy_unlock(&rdev->wiphy); } } } @@ -423,9 +418,9 @@ static void cfg80211_wiphy_work(struct work_struct *work) trace_wiphy_work_worker_start(&rdev->wiphy); - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); if (rdev->suspended) - goto out; + return; spin_lock_irq(&rdev->wiphy_work_lock); wk = list_first_entry_or_null(&rdev->wiphy_work_list, @@ -441,8 +436,6 @@ static void cfg80211_wiphy_work(struct work_struct *work) } else { spin_unlock_irq(&rdev->wiphy_work_lock); } -out: - wiphy_unlock(&rdev->wiphy); } /* exported functions */ @@ -553,6 +546,9 @@ use_default_name: INIT_WORK(&rdev->mgmt_registrations_update_wk, cfg80211_mgmt_registrations_update_wk); spin_lock_init(&rdev->mgmt_registrations_lock); + INIT_WORK(&rdev->wiphy_work, cfg80211_wiphy_work); + INIT_LIST_HEAD(&rdev->wiphy_work_list); + spin_lock_init(&rdev->wiphy_work_lock); #ifdef CONFIG_CFG80211_DEFAULT_PS rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; @@ -570,9 +566,6 @@ use_default_name: return NULL; } - INIT_WORK(&rdev->wiphy_work, cfg80211_wiphy_work); - INIT_LIST_HEAD(&rdev->wiphy_work_list); - spin_lock_init(&rdev->wiphy_work_lock); INIT_WORK(&rdev->rfkill_block, cfg80211_rfkill_block_work); INIT_WORK(&rdev->conn_work, cfg80211_conn_work); INIT_WORK(&rdev->event_work, cfg80211_event_work); @@ -800,6 +793,7 @@ int wiphy_register(struct wiphy *wiphy) BIT(NL80211_CHAN_WIDTH_80) | BIT(NL80211_CHAN_WIDTH_80P80) | BIT(NL80211_CHAN_WIDTH_160) | + BIT(NL80211_CHAN_WIDTH_320) | BIT(NL80211_CHAN_WIDTH_5) | BIT(NL80211_CHAN_WIDTH_10)))) return -EINVAL; @@ -1001,6 +995,24 @@ int wiphy_register(struct wiphy *wiphy) wiphy->max_num_akm_suites > CFG80211_MAX_NUM_AKM_SUITES) return -EINVAL; + /* Allocate radio configuration space for multi-radio wiphy */ + if (wiphy->n_radio > 0) { + int idx; + + wiphy->radio_cfg = kcalloc(wiphy->n_radio, + sizeof(*wiphy->radio_cfg), + GFP_KERNEL); + if (!wiphy->radio_cfg) + return -ENOMEM; + /* + * Initialize wiphy radio parameters to IEEE 802.11 + * MIB default values. RTS threshold is disabled by + * default with the special -1 value. + */ + for (idx = 0; idx < wiphy->n_radio; idx++) + wiphy->radio_cfg[idx].rts_threshold = (u32)-1; + } + /* check and set up bitrates */ ieee80211_set_bitrate_flags(wiphy); @@ -1198,6 +1210,13 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev) { struct cfg80211_internal_bss *scan, *tmp; struct cfg80211_beacon_registration *reg, *treg; + unsigned long flags; + + spin_lock_irqsave(&rdev->wiphy_work_lock, flags); + WARN_ON(!list_empty(&rdev->wiphy_work_list)); + spin_unlock_irqrestore(&rdev->wiphy_work_lock, flags); + cancel_work_sync(&rdev->wiphy_work); + rfkill_destroy(rdev->wiphy.rfkill); list_for_each_entry_safe(reg, treg, &rdev->beacon_registrations, list) { list_del(®->list); @@ -1221,6 +1240,7 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev) void wiphy_free(struct wiphy *wiphy) { + kfree(wiphy->radio_cfg); put_device(&wiphy->dev); } EXPORT_SYMBOL(wiphy_free); @@ -1520,15 +1540,15 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, SET_NETDEV_DEVTYPE(dev, &wiphy_type); wdev->netdev = dev; /* can only change netns with wiphy */ - dev->netns_local = true; + dev->netns_immutable = true; cfg80211_init_wdev(wdev); break; case NETDEV_REGISTER: if (!wdev->registered) { - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + cfg80211_register_wdev(rdev, wdev); - wiphy_unlock(&rdev->wiphy); } break; case NETDEV_UNREGISTER: @@ -1537,16 +1557,16 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, * so check wdev->registered. */ if (wdev->registered && !wdev->registering) { - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + _cfg80211_unregister_wdev(wdev, false); - wiphy_unlock(&rdev->wiphy); } break; case NETDEV_GOING_DOWN: - wiphy_lock(&rdev->wiphy); - cfg80211_leave(rdev, wdev); - cfg80211_remove_links(wdev); - wiphy_unlock(&rdev->wiphy); + scoped_guard(wiphy, &rdev->wiphy) { + cfg80211_leave(rdev, wdev); + cfg80211_remove_links(wdev); + } /* since we just did cfg80211_leave() nothing to do there */ cancel_work_sync(&wdev->disconnect_wk); cancel_work_sync(&wdev->pmsr_free_wk); @@ -1554,7 +1574,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, case NETDEV_DOWN: wiphy_lock(&rdev->wiphy); cfg80211_update_iface_num(rdev, wdev->iftype, -1); - if (rdev->scan_req && rdev->scan_req->wdev == wdev) { + if (rdev->scan_req && rdev->scan_req->req.wdev == wdev) { if (WARN_ON(!rdev->scan_req->notified && (!rdev->int_scan_req || !rdev->int_scan_req->notified))) @@ -1708,7 +1728,7 @@ EXPORT_SYMBOL_GPL(wiphy_work_flush); void wiphy_delayed_work_timer(struct timer_list *t) { - struct wiphy_delayed_work *dwork = from_timer(dwork, t, timer); + struct wiphy_delayed_work *dwork = timer_container_of(dwork, t, timer); wiphy_work_queue(dwork->wiphy, &dwork->work); } @@ -1721,7 +1741,7 @@ void wiphy_delayed_work_queue(struct wiphy *wiphy, trace_wiphy_delayed_work_queue(wiphy, &dwork->work, delay); if (!delay) { - del_timer(&dwork->timer); + timer_delete(&dwork->timer); wiphy_work_queue(wiphy, &dwork->work); return; } @@ -1736,7 +1756,7 @@ void wiphy_delayed_work_cancel(struct wiphy *wiphy, { lockdep_assert_held(&wiphy->mtx); - del_timer_sync(&dwork->timer); + timer_delete_sync(&dwork->timer); wiphy_work_cancel(wiphy, &dwork->work); } EXPORT_SYMBOL_GPL(wiphy_delayed_work_cancel); @@ -1746,7 +1766,7 @@ void wiphy_delayed_work_flush(struct wiphy *wiphy, { lockdep_assert_held(&wiphy->mtx); - del_timer_sync(&dwork->timer); + timer_delete_sync(&dwork->timer); wiphy_work_flush(wiphy, &dwork->work); } EXPORT_SYMBOL_GPL(wiphy_delayed_work_flush); diff --git a/net/wireless/core.h b/net/wireless/core.h index 4c45f994a8c0..b6bd7f4d6385 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -3,7 +3,7 @@ * Wireless configuration interface internals. * * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> - * Copyright (C) 2018-2024 Intel Corporation + * Copyright (C) 2018-2025 Intel Corporation */ #ifndef __NET_WIRELESS_CORE_H #define __NET_WIRELESS_CORE_H @@ -21,6 +21,13 @@ #define WIPHY_IDX_INVALID -1 +struct cfg80211_scan_request_int { + struct cfg80211_scan_info info; + bool notified; + /* must be last - variable members */ + struct cfg80211_scan_request req; +}; + struct cfg80211_registered_device { const struct cfg80211_ops *ops; struct list_head list; @@ -70,8 +77,8 @@ struct cfg80211_registered_device { struct rb_root bss_tree; u32 bss_generation; u32 bss_entries; - struct cfg80211_scan_request *scan_req; /* protected by RTNL */ - struct cfg80211_scan_request *int_scan_req; + struct cfg80211_scan_request_int *scan_req; /* protected by RTNL */ + struct cfg80211_scan_request_int *int_scan_req; struct sk_buff *scan_msg; struct list_head sched_scan_req_list; time64_t suspend_at; @@ -180,7 +187,6 @@ struct cfg80211_internal_bss { struct list_head list; struct list_head hidden_list; struct rb_node rbn; - u64 ts_boottime; unsigned long ts; unsigned long refcount; atomic_t hold; @@ -567,6 +573,10 @@ int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev); void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask); +int cfg80211_assoc_ml_reconf(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_ml_reconf_req *req); + /** * struct cfg80211_colocated_ap - colocated AP information * diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index a5eb92d93074..46394eb2086f 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -4,7 +4,7 @@ * * Copyright (c) 2009, Jouni Malinen <j@w1.fi> * Copyright (c) 2015 Intel Deutschland GmbH - * Copyright (C) 2019-2020, 2022-2024 Intel Corporation + * Copyright (C) 2019-2020, 2022-2025 Intel Corporation */ #include <linux/kernel.h> @@ -352,6 +352,30 @@ cfg80211_mlme_check_mlo_compat(const struct ieee80211_multi_link_elem *mle_a, return -EINVAL; } + /* + * Only verify the values in Extended MLD Capabilities that are + * not reserved when transmitted by an AP (and expected to remain the + * same over time). + * The Recommended Max Simultaneous Links subfield in particular is + * reserved when included in a unicast Probe Response frame and may + * also change when the AP adds/removes links. The BTM MLD + * Recommendation For Multiple APs Support subfield is reserved when + * transmitted by an AP. All other bits are currently reserved. + * See IEEE P802.11be/D7.0, Table 9-417o. + */ + if ((ieee80211_mle_get_ext_mld_capa_op((const u8 *)mle_a) & + (IEEE80211_EHT_ML_EXT_MLD_CAPA_OP_PARAM_UPDATE | + IEEE80211_EHT_ML_EXT_MLD_CAPA_NSTR_UPDATE | + IEEE80211_EHT_ML_EXT_MLD_CAPA_EMLSR_ENA_ON_ONE_LINK)) != + (ieee80211_mle_get_ext_mld_capa_op((const u8 *)mle_b) & + (IEEE80211_EHT_ML_EXT_MLD_CAPA_OP_PARAM_UPDATE | + IEEE80211_EHT_ML_EXT_MLD_CAPA_NSTR_UPDATE | + IEEE80211_EHT_ML_EXT_MLD_CAPA_EMLSR_ENA_ON_ONE_LINK))) { + NL_SET_ERR_MSG(extack, + "extended link MLD capabilities/ops mismatch"); + return -EINVAL; + } + return 0; } @@ -627,10 +651,10 @@ void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk) rdev = container_of(wk, struct cfg80211_registered_device, mgmt_registrations_update_wk); - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) cfg80211_mgmt_registrations_update(wdev); - wiphy_unlock(&rdev->wiphy); } int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid, @@ -843,7 +867,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, mgmt = (const struct ieee80211_mgmt *)params->buf; - if (!ieee80211_is_mgmt(mgmt->frame_control)) + if (!ieee80211_is_mgmt(mgmt->frame_control) || + ieee80211_has_order(mgmt->frame_control)) return -EINVAL; stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; @@ -1193,10 +1218,10 @@ cfg80211_background_cac_event(struct cfg80211_registered_device *rdev, const struct cfg80211_chan_def *chandef, enum nl80211_radar_event event) { - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + __cfg80211_background_cac_event(rdev, rdev->background_radar_wdev, chandef, event); - wiphy_unlock(&rdev->wiphy); } void cfg80211_background_cac_done_wk(struct work_struct *work) @@ -1287,3 +1312,89 @@ void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev) &rdev->background_radar_chandef, NL80211_RADAR_CAC_ABORTED); } + +int cfg80211_assoc_ml_reconf(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_ml_reconf_req *req) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + int err; + + lockdep_assert_wiphy(wdev->wiphy); + + err = rdev_assoc_ml_reconf(rdev, dev, req); + if (!err) { + int link_id; + + for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; + link_id++) { + if (!req->add_links[link_id].bss) + continue; + + cfg80211_ref_bss(&rdev->wiphy, req->add_links[link_id].bss); + cfg80211_hold_bss(bss_from_pub(req->add_links[link_id].bss)); + } + } + + return err; +} + +void cfg80211_mlo_reconf_add_done(struct net_device *dev, + struct cfg80211_mlo_reconf_done_data *data) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; + int link_id; + + lockdep_assert_wiphy(wiphy); + + trace_cfg80211_mlo_reconf_add_done(dev, data->added_links, + data->buf, data->len, + data->driver_initiated); + + if (WARN_ON(!wdev->valid_links)) + return; + + if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION && + wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) + return; + + /* validate that a BSS is given for each added link */ + for (link_id = 0; link_id < ARRAY_SIZE(data->links); link_id++) { + struct cfg80211_bss *bss = data->links[link_id].bss; + + if (!(data->added_links & BIT(link_id))) + continue; + + if (WARN_ON(!bss)) + return; + } + + for (link_id = 0; link_id < ARRAY_SIZE(data->links); link_id++) { + struct cfg80211_bss *bss = data->links[link_id].bss; + + if (!bss) + continue; + + if (data->added_links & BIT(link_id)) { + wdev->links[link_id].client.current_bss = + bss_from_pub(bss); + + if (data->driver_initiated) + cfg80211_hold_bss(bss_from_pub(bss)); + + memcpy(wdev->links[link_id].addr, + data->links[link_id].addr, + ETH_ALEN); + } else { + if (!data->driver_initiated) + cfg80211_unhold_bss(bss_from_pub(bss)); + + cfg80211_put_bss(wiphy, bss); + } + } + + wdev->valid_links |= data->added_links; + nl80211_mlo_reconf_add_done(dev, data); +} +EXPORT_SYMBOL(cfg80211_mlo_reconf_add_done); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 9d2edb71f981..89519aa52893 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -5,7 +5,7 @@ * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018-2024 Intel Corporation + * Copyright (C) 2018-2025 Intel Corporation */ #include <linux/if.h> @@ -229,6 +229,7 @@ static int validate_beacon_head(const struct nlattr *attr, unsigned int len = nla_len(attr); const struct element *elem; const struct ieee80211_mgmt *mgmt = (void *)data; + const struct ieee80211_ext *ext; unsigned int fixedlen, hdrlen; bool s1g_bcn; @@ -237,8 +238,10 @@ static int validate_beacon_head(const struct nlattr *attr, s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control); if (s1g_bcn) { - fixedlen = offsetof(struct ieee80211_ext, - u.s1g_beacon.variable); + ext = (struct ieee80211_ext *)mgmt; + fixedlen = + offsetof(struct ieee80211_ext, u.s1g_beacon.variable) + + ieee80211_s1g_optional_len(ext->frame_control); hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon); } else { fixedlen = offsetof(struct ieee80211_mgmt, @@ -294,6 +297,21 @@ static int validate_he_capa(const struct nlattr *attr, return 0; } +static int validate_supported_selectors(const struct nlattr *attr, + struct netlink_ext_ack *extack) +{ + const u8 *supported_selectors = nla_data(attr); + u8 supported_selectors_len = nla_len(attr); + + /* The top bit must not be set as it is not part of the selector */ + for (int i = 0; i < supported_selectors_len; i++) { + if (supported_selectors[i] & 0x80) + return -EINVAL; + } + + return 0; +} + /* policy for the attributes */ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR]; @@ -454,6 +472,8 @@ nl80211_mbssid_config_policy[NL80211_MBSSID_CONFIG_ATTR_MAX + 1] = { [NL80211_MBSSID_CONFIG_ATTR_INDEX] = { .type = NLA_U8 }, [NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX] = { .type = NLA_U32 }, [NL80211_MBSSID_CONFIG_ATTR_EMA] = { .type = NLA_FLAG }, + [NL80211_MBSSID_CONFIG_ATTR_TX_LINK_ID] = + NLA_POLICY_MAX(NLA_U8, IEEE80211_MLD_MAX_NUM_LINKS), }; static const struct nla_policy @@ -462,6 +482,16 @@ nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, }; +static const struct nla_policy +nl80211_s1g_short_beacon[NL80211_S1G_SHORT_BEACON_ATTR_MAX + 1] = { + [NL80211_S1G_SHORT_BEACON_ATTR_HEAD] = + NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head, + IEEE80211_MAX_DATA_LEN), + [NL80211_S1G_SHORT_BEACON_ATTR_TAIL] = + NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr, + IEEE80211_MAX_DATA_LEN), +}; + static const struct netlink_range_validation nl80211_punct_bitmap_range = { .min = 0, .max = 0xffff, @@ -814,10 +844,11 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [NL80211_ATTR_MLO_LINKS] = NLA_POLICY_NESTED_ARRAY(nl80211_policy), [NL80211_ATTR_MLO_LINK_ID] = - NLA_POLICY_RANGE(NLA_U8, 0, IEEE80211_MLD_MAX_NUM_LINKS), + NLA_POLICY_RANGE(NLA_U8, 0, IEEE80211_MLD_MAX_NUM_LINKS - 1), [NL80211_ATTR_MLD_ADDR] = NLA_POLICY_EXACT_LEN(ETH_ALEN), [NL80211_ATTR_MLO_SUPPORT] = { .type = NLA_FLAG }, [NL80211_ATTR_MAX_NUM_AKM_SUITES] = { .type = NLA_REJECT }, + [NL80211_ATTR_EML_CAPABILITY] = { .type = NLA_U16 }, [NL80211_ATTR_PUNCT_BITMAP] = NLA_POLICY_FULL_RANGE(NLA_U32, &nl80211_punct_bitmap_range), @@ -830,6 +861,16 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [NL80211_ATTR_MLO_TTLM_ULINK] = NLA_POLICY_EXACT_LEN(sizeof(u16) * 8), [NL80211_ATTR_ASSOC_SPP_AMSDU] = { .type = NLA_FLAG }, [NL80211_ATTR_VIF_RADIO_MASK] = { .type = NLA_U32 }, + [NL80211_ATTR_SUPPORTED_SELECTORS] = + NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_supported_selectors, + NL80211_MAX_SUPP_SELECTORS), + [NL80211_ATTR_MLO_RECONF_REM_LINKS] = { .type = NLA_U16 }, + [NL80211_ATTR_EPCS] = { .type = NLA_FLAG }, + [NL80211_ATTR_ASSOC_MLD_EXT_CAPA_OPS] = { .type = NLA_U16 }, + [NL80211_ATTR_WIPHY_RADIO_INDEX] = { .type = NLA_U8 }, + [NL80211_ATTR_S1G_LONG_BEACON_PERIOD] = NLA_POLICY_MIN(NLA_U8, 2), + [NL80211_ATTR_S1G_SHORT_BEACON] = + NLA_POLICY_NESTED(nl80211_s1g_short_beacon), }; /* policy for the key attributes */ @@ -1214,6 +1255,10 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy, if ((chan->flags & IEEE80211_CHAN_ALLOW_6GHZ_VLP_AP) && nla_put_flag(msg, NL80211_FREQUENCY_ATTR_ALLOW_6GHZ_VLP_AP)) goto nla_put_failure; + if ((chan->flags & IEEE80211_CHAN_ALLOW_20MHZ_ACTIVITY) && + nla_put_flag(msg, + NL80211_FREQUENCY_ATTR_ALLOW_20MHZ_ACTIVITY)) + goto nla_put_failure; } if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, @@ -1555,7 +1600,7 @@ nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, return result; error: - kfree(result); + kfree_sensitive(result); return ERR_PTR(err); } @@ -2418,6 +2463,7 @@ fail: static int nl80211_put_radio(struct wiphy *wiphy, struct sk_buff *msg, int idx) { const struct wiphy_radio *r = &wiphy->radio[idx]; + const struct wiphy_radio_cfg *rcfg = &wiphy->radio_cfg[idx]; struct nlattr *radio, *freq; int i; @@ -2428,6 +2474,11 @@ static int nl80211_put_radio(struct wiphy *wiphy, struct sk_buff *msg, int idx) if (nla_put_u32(msg, NL80211_WIPHY_RADIO_ATTR_INDEX, idx)) goto nla_put_failure; + if (rcfg->rts_threshold && + nla_put_u32(msg, NL80211_WIPHY_RADIO_ATTR_RTS_THRESHOLD, + rcfg->rts_threshold)) + goto nla_put_failure; + if (r->antenna_mask && nla_put_u32(msg, NL80211_WIPHY_RADIO_ATTR_ANTENNA_MASK, r->antenna_mask)) @@ -2611,7 +2662,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, u32 tx_ant = 0, rx_ant = 0; int res; - res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); + res = rdev_get_antenna(rdev, -1, &tx_ant, &rx_ant); if (!res) { if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, @@ -2748,6 +2799,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, CMD(update_ft_ies, UPDATE_FT_IES); if (rdev->wiphy.sar_capa) CMD(set_sar_specs, SET_SAR_SPECS); + CMD(assoc_ml_reconf, ASSOC_MLO_RECONF); } #undef CMD @@ -3579,6 +3631,33 @@ static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) return __nl80211_set_channel(rdev, netdev, info, link_id); } +static int nl80211_set_wiphy_radio(struct genl_info *info, + struct cfg80211_registered_device *rdev, + int radio_idx) +{ + u32 rts_threshold = 0, old_rts, changed = 0; + int result; + + if (!rdev->ops->set_wiphy_params) + return -EOPNOTSUPP; + + if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { + rts_threshold = nla_get_u32( + info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); + changed |= WIPHY_PARAM_RTS_THRESHOLD; + } + + old_rts = rdev->wiphy.radio_cfg[radio_idx].rts_threshold; + + rdev->wiphy.radio_cfg[radio_idx].rts_threshold = rts_threshold; + + result = rdev_set_wiphy_params(rdev, radio_idx, changed); + if (result) + rdev->wiphy.radio_cfg[radio_idx].rts_threshold = old_rts; + + return 0; +} + static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = NULL; @@ -3591,6 +3670,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) u32 frag_threshold = 0, rts_threshold = 0; u8 coverage_class = 0; u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0; + int radio_idx = -1; rtnl_lock(); /* @@ -3626,7 +3706,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) } else wdev = netdev->ieee80211_ptr; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); /* * end workaround code, by now the rdev is available @@ -3639,32 +3719,37 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) rtnl_unlock(); if (result) - goto out; + return result; + + if (info->attrs[NL80211_ATTR_WIPHY_RADIO_INDEX]) { + /* Radio idx is not expected for non-multi radio wiphy */ + if (rdev->wiphy.n_radio <= 0) + return -EINVAL; + + radio_idx = nla_get_u8( + info->attrs[NL80211_ATTR_WIPHY_RADIO_INDEX]); + if (radio_idx >= rdev->wiphy.n_radio) + return -EINVAL; + + return nl80211_set_wiphy_radio(info, rdev, radio_idx); + } 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 out; - } + if (!rdev->ops->set_txq_params) + return -EOPNOTSUPP; - if (!netdev) { - result = -EINVAL; - goto out; - } + if (!netdev) + return -EINVAL; if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { - result = -EINVAL; - goto out; - } + netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + return -EINVAL; - if (!netif_running(netdev)) { - result = -ENETDOWN; - goto out; - } + if (!netif_running(netdev)) + return -ENETDOWN; nla_for_each_nested(nl_txq_params, info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], @@ -3675,10 +3760,11 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) txq_params_policy, info->extack); if (result) - goto out; + return result; + result = parse_txq_params(tb, &txq_params); if (result) - goto out; + return result; txq_params.link_id = nl80211_link_id_or_invalid(info->attrs); @@ -3694,7 +3780,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) result = rdev_set_txq_params(rdev, netdev, &txq_params); if (result) - goto out; + return result; } } @@ -3711,7 +3797,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) } if (result) - goto out; + return result; } if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { @@ -3722,28 +3808,25 @@ 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 out; - } + 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 out; - } + (type != NL80211_TX_POWER_AUTOMATIC)) + return -EINVAL; if (type != NL80211_TX_POWER_AUTOMATIC) { idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; mbm = nla_get_u32(info->attrs[idx]); } - result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); + result = rdev_set_tx_power(rdev, txp_wdev, radio_idx, type, + mbm); if (result) - goto out; + return result; } if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && @@ -3752,10 +3835,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) if ((!rdev->wiphy.available_antennas_tx && !rdev->wiphy.available_antennas_rx) || - !rdev->ops->set_antenna) { - result = -EOPNOTSUPP; - goto out; - } + !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]); @@ -3763,17 +3844,15 @@ 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 out; - } + (~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); + result = rdev_set_antenna(rdev, radio_idx, tx_ant, rx_ant); if (result) - goto out; + return result; } changed = 0; @@ -3795,10 +3874,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) 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 out; - } + if (frag_threshold < 256) + return -EINVAL; if (frag_threshold != (u32) -1) { /* @@ -3819,10 +3896,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) } if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { - if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { - result = -EINVAL; - goto out; - } + if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) + return -EINVAL; coverage_class = nla_get_u8( info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); @@ -3830,20 +3905,17 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) } if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { - if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) { - result = -EOPNOTSUPP; - goto out; - } + if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) + return -EOPNOTSUPP; changed |= WIPHY_PARAM_DYN_ACK; } if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) { if (!wiphy_ext_feature_isset(&rdev->wiphy, - NL80211_EXT_FEATURE_TXQS)) { - result = -EOPNOTSUPP; - goto out; - } + NL80211_EXT_FEATURE_TXQS)) + return -EOPNOTSUPP; + txq_limit = nla_get_u32( info->attrs[NL80211_ATTR_TXQ_LIMIT]); changed |= WIPHY_PARAM_TXQ_LIMIT; @@ -3851,10 +3923,9 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) { if (!wiphy_ext_feature_isset(&rdev->wiphy, - NL80211_EXT_FEATURE_TXQS)) { - result = -EOPNOTSUPP; - goto out; - } + NL80211_EXT_FEATURE_TXQS)) + return -EOPNOTSUPP; + txq_memory_limit = nla_get_u32( info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]); changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT; @@ -3862,10 +3933,9 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) { if (!wiphy_ext_feature_isset(&rdev->wiphy, - NL80211_EXT_FEATURE_TXQS)) { - result = -EOPNOTSUPP; - goto out; - } + NL80211_EXT_FEATURE_TXQS)) + return -EOPNOTSUPP; + txq_quantum = nla_get_u32( info->attrs[NL80211_ATTR_TXQ_QUANTUM]); changed |= WIPHY_PARAM_TXQ_QUANTUM; @@ -3874,18 +3944,30 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) if (changed) { u8 old_retry_short, old_retry_long; u32 old_frag_threshold, old_rts_threshold; - u8 old_coverage_class; + u8 old_coverage_class, i; u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum; + u32 *old_radio_rts_threshold = NULL; - if (!rdev->ops->set_wiphy_params) { - result = -EOPNOTSUPP; - goto out; + if (!rdev->ops->set_wiphy_params) + return -EOPNOTSUPP; + + if (rdev->wiphy.n_radio) { + old_radio_rts_threshold = kcalloc(rdev->wiphy.n_radio, + sizeof(u32), + GFP_KERNEL); + if (!old_radio_rts_threshold) + return -ENOMEM; } old_retry_short = rdev->wiphy.retry_short; old_retry_long = rdev->wiphy.retry_long; old_frag_threshold = rdev->wiphy.frag_threshold; old_rts_threshold = rdev->wiphy.rts_threshold; + if (old_radio_rts_threshold) { + for (i = 0 ; i < rdev->wiphy.n_radio; i++) + old_radio_rts_threshold[i] = + rdev->wiphy.radio_cfg[i].rts_threshold; + } old_coverage_class = rdev->wiphy.coverage_class; old_txq_limit = rdev->wiphy.txq_limit; old_txq_memory_limit = rdev->wiphy.txq_memory_limit; @@ -3897,8 +3979,13 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) rdev->wiphy.retry_long = retry_long; if (changed & WIPHY_PARAM_FRAG_THRESHOLD) rdev->wiphy.frag_threshold = frag_threshold; - if (changed & WIPHY_PARAM_RTS_THRESHOLD) + if ((changed & WIPHY_PARAM_RTS_THRESHOLD) && + old_radio_rts_threshold) { rdev->wiphy.rts_threshold = rts_threshold; + for (i = 0 ; i < rdev->wiphy.n_radio; i++) + rdev->wiphy.radio_cfg[i].rts_threshold = + rdev->wiphy.rts_threshold; + } if (changed & WIPHY_PARAM_COVERAGE_CLASS) rdev->wiphy.coverage_class = coverage_class; if (changed & WIPHY_PARAM_TXQ_LIMIT) @@ -3908,25 +3995,29 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) if (changed & WIPHY_PARAM_TXQ_QUANTUM) rdev->wiphy.txq_quantum = txq_quantum; - result = rdev_set_wiphy_params(rdev, changed); + result = rdev_set_wiphy_params(rdev, radio_idx, changed); if (result) { rdev->wiphy.retry_short = old_retry_short; rdev->wiphy.retry_long = old_retry_long; rdev->wiphy.frag_threshold = old_frag_threshold; rdev->wiphy.rts_threshold = old_rts_threshold; + if (old_radio_rts_threshold) { + for (i = 0 ; i < rdev->wiphy.n_radio; i++) + rdev->wiphy.radio_cfg[i].rts_threshold = + old_radio_rts_threshold[i]; + } rdev->wiphy.coverage_class = old_coverage_class; rdev->wiphy.txq_limit = old_txq_limit; rdev->wiphy.txq_memory_limit = old_txq_memory_limit; rdev->wiphy.txq_quantum = old_txq_quantum; - goto out; } - } - result = 0; + if (old_rts_threshold) + kfree(old_radio_rts_threshold); + return result; + } -out: - wiphy_unlock(&rdev->wiphy); - return result; + return 0; } int nl80211_send_chandef(struct sk_buff *msg, const struct cfg80211_chan_def *chandef) @@ -4010,10 +4101,10 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag goto nla_put_failure; } - if (rdev->ops->get_tx_power) { + if (rdev->ops->get_tx_power && !wdev->valid_links) { int dbm, ret; - ret = rdev_get_tx_power(rdev, wdev, &dbm); + ret = rdev_get_tx_power(rdev, wdev, -1, 0, &dbm); if (ret == 0 && nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, DBM_TO_MBM(dbm))) @@ -4082,6 +4173,15 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag if (ret == 0 && nl80211_send_chandef(msg, &chandef)) goto nla_put_failure; + if (rdev->ops->get_tx_power) { + int dbm, ret; + + ret = rdev_get_tx_power(rdev, wdev, -1, link_id, &dbm); + if (ret == 0 && + nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, + DBM_TO_MBM(dbm))) + goto nla_put_failure; + } nla_nest_end(msg, link); } @@ -4144,22 +4244,22 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * if_idx = 0; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { if (if_idx < if_start) { if_idx++; continue; } + if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, rdev, wdev, - NL80211_CMD_NEW_INTERFACE) < 0) { - wiphy_unlock(&rdev->wiphy); + NL80211_CMD_NEW_INTERFACE) < 0) goto out; - } + if_idx++; } - wiphy_unlock(&rdev->wiphy); if_start = 0; wp_idx++; @@ -4221,6 +4321,11 @@ static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) if (flags[flag]) *mntrflags |= (1<<flag); + /* cooked monitor mode is incompatible with other modes */ + if (*mntrflags & MONITOR_FLAG_COOK_FRAMES && + *mntrflags != MONITOR_FLAG_COOK_FRAMES) + return -EOPNOTSUPP; + *mntrflags |= MONITOR_FLAG_CHANGED; return 0; @@ -4246,6 +4351,10 @@ static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev, change = true; } + /* MONITOR_FLAG_COOK_FRAMES is deprecated, refuse cooperation */ + if (params->flags & MONITOR_FLAG_COOK_FRAMES) + return -EOPNOTSUPP; + if (params->flags & MONITOR_FLAG_ACTIVE && !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) return -EOPNOTSUPP; @@ -4517,16 +4626,13 @@ static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; - int ret; /* to avoid failing a new interface creation due to pending removal */ cfg80211_destroy_ifaces(rdev); - wiphy_lock(&rdev->wiphy); - ret = _nl80211_new_interface(skb, info); - wiphy_unlock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); - return ret; + return _nl80211_new_interface(skb, info); } static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) @@ -5512,11 +5618,13 @@ static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev, static int nl80211_parse_mbssid_config(struct wiphy *wiphy, struct net_device *dev, + unsigned int link_id, struct nlattr *attrs, struct cfg80211_mbssid_config *config, u8 num_elems) { struct nlattr *tb[NL80211_MBSSID_CONFIG_ATTR_MAX + 1]; + int tx_link_id = -1; if (!wiphy->mbssid_max_interfaces) return -EOPNOTSUPP; @@ -5540,6 +5648,9 @@ static int nl80211_parse_mbssid_config(struct wiphy *wiphy, (!config->index && !num_elems)) return -EINVAL; + if (tb[NL80211_MBSSID_CONFIG_ATTR_TX_LINK_ID]) + tx_link_id = nla_get_u8(tb[NL80211_MBSSID_CONFIG_ATTR_TX_LINK_ID]); + if (tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]) { u32 tx_ifindex = nla_get_u32(tb[NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX]); @@ -5561,10 +5672,25 @@ static int nl80211_parse_mbssid_config(struct wiphy *wiphy, } config->tx_wdev = tx_netdev->ieee80211_ptr; + /* Caller should call dev_put(config->tx_wdev) from this point */ + + if (config->tx_wdev->valid_links) { + if (tx_link_id == -1 || + !(config->tx_wdev->valid_links & BIT(tx_link_id))) + return -ENOLINK; + + config->tx_link_id = tx_link_id; + } } else { + if (tx_link_id >= 0 && tx_link_id != link_id) + return -EINVAL; + config->tx_wdev = dev->ieee80211_ptr; } } else if (!config->index) { + if (tx_link_id >= 0 && tx_link_id != link_id) + return -EINVAL; + config->tx_wdev = dev->ieee80211_ptr; } else { return -EINVAL; @@ -6089,6 +6215,41 @@ static int nl80211_validate_ap_phy_operation(struct cfg80211_ap_settings *params return 0; } +static int +nl80211_parse_s1g_short_beacon(struct cfg80211_registered_device *rdev, + struct nlattr *attrs, + struct cfg80211_s1g_short_beacon *sb) +{ + struct nlattr *tb[NL80211_S1G_SHORT_BEACON_ATTR_MAX + 1]; + int ret; + + if (!rdev->wiphy.bands[NL80211_BAND_S1GHZ]) + return -EINVAL; + + ret = nla_parse_nested(tb, NL80211_S1G_SHORT_BEACON_ATTR_MAX, attrs, + NULL, NULL); + if (ret) + return ret; + + /* Short beacon tail is optional (i.e might only include the TIM) */ + if (!tb[NL80211_S1G_SHORT_BEACON_ATTR_HEAD]) + return -EINVAL; + + sb->short_head = nla_data(tb[NL80211_S1G_SHORT_BEACON_ATTR_HEAD]); + sb->short_head_len = nla_len(tb[NL80211_S1G_SHORT_BEACON_ATTR_HEAD]); + sb->short_tail_len = 0; + + if (tb[NL80211_S1G_SHORT_BEACON_ATTR_TAIL]) { + sb->short_tail = + nla_data(tb[NL80211_S1G_SHORT_BEACON_ATTR_TAIL]); + sb->short_tail_len = + nla_len(tb[NL80211_S1G_SHORT_BEACON_ATTR_TAIL]); + } + + sb->update = true; + return 0; +} + static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; @@ -6314,7 +6475,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) } if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) { - err = nl80211_parse_mbssid_config(&rdev->wiphy, dev, + err = nl80211_parse_mbssid_config(&rdev->wiphy, dev, link_id, info->attrs[NL80211_ATTR_MBSSID_CONFIG], ¶ms->mbssid_config, params->beacon.mbssid_ies ? @@ -6329,6 +6490,22 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) goto out; } + if (info->attrs[NL80211_ATTR_S1G_SHORT_BEACON]) { + if (!info->attrs[NL80211_ATTR_S1G_LONG_BEACON_PERIOD]) { + err = -EINVAL; + goto out; + } + + params->s1g_long_beacon_period = nla_get_u8( + info->attrs[NL80211_ATTR_S1G_LONG_BEACON_PERIOD]); + + err = nl80211_parse_s1g_short_beacon( + rdev, info->attrs[NL80211_ATTR_S1G_SHORT_BEACON], + ¶ms->s1g_short_beacon); + if (err) + goto out; + } + err = nl80211_calculate_ap_params(params); if (err) goto out; @@ -6437,6 +6614,14 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) goto out; } + attr = info->attrs[NL80211_ATTR_S1G_SHORT_BEACON]; + if (attr) { + err = nl80211_parse_s1g_short_beacon(rdev, attr, + ¶ms->s1g_short_beacon); + if (err) + goto out; + } + err = rdev_change_beacon(rdev, dev, params); out: @@ -6694,6 +6879,185 @@ static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, return true; } +static int nl80211_fill_link_station(struct sk_buff *msg, + struct cfg80211_registered_device *rdev, + struct link_station_info *link_sinfo) +{ + struct nlattr *bss_param, *link_sinfoattr; + +#define PUT_LINK_SINFO(attr, memb, type) do { \ + BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \ + if (link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \ + nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \ + link_sinfo->memb)) \ + goto nla_put_failure; \ + } while (0) +#define PUT_LINK_SINFO_U64(attr, memb) do { \ + if (link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \ + nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \ + link_sinfo->memb, NL80211_STA_INFO_PAD)) \ + goto nla_put_failure; \ + } while (0) + + link_sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO); + if (!link_sinfoattr) + goto nla_put_failure; + + PUT_LINK_SINFO(INACTIVE_TIME, inactive_time, u32); + + if (link_sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) | + BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) && + nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, + (u32)link_sinfo->rx_bytes)) + goto nla_put_failure; + + if (link_sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) | + BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) && + nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, + (u32)link_sinfo->tx_bytes)) + goto nla_put_failure; + + PUT_LINK_SINFO_U64(RX_BYTES64, rx_bytes); + PUT_LINK_SINFO_U64(TX_BYTES64, tx_bytes); + PUT_LINK_SINFO_U64(RX_DURATION, rx_duration); + PUT_LINK_SINFO_U64(TX_DURATION, tx_duration); + + if (wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) + PUT_LINK_SINFO(AIRTIME_WEIGHT, airtime_weight, u16); + + switch (rdev->wiphy.signal_type) { + case CFG80211_SIGNAL_TYPE_MBM: + PUT_LINK_SINFO(SIGNAL, signal, u8); + PUT_LINK_SINFO(SIGNAL_AVG, signal_avg, u8); + break; + default: + break; + } + if (link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) { + if (!nl80211_put_signal(msg, link_sinfo->chains, + link_sinfo->chain_signal, + NL80211_STA_INFO_CHAIN_SIGNAL)) + goto nla_put_failure; + } + if (link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) { + if (!nl80211_put_signal(msg, link_sinfo->chains, + link_sinfo->chain_signal_avg, + NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) + goto nla_put_failure; + } + if (link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) { + if (!nl80211_put_sta_rate(msg, &link_sinfo->txrate, + NL80211_STA_INFO_TX_BITRATE)) + goto nla_put_failure; + } + if (link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) { + if (!nl80211_put_sta_rate(msg, &link_sinfo->rxrate, + NL80211_STA_INFO_RX_BITRATE)) + goto nla_put_failure; + } + + PUT_LINK_SINFO(RX_PACKETS, rx_packets, u32); + PUT_LINK_SINFO(TX_PACKETS, tx_packets, u32); + PUT_LINK_SINFO(TX_RETRIES, tx_retries, u32); + PUT_LINK_SINFO(TX_FAILED, tx_failed, u32); + PUT_LINK_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); + PUT_LINK_SINFO(BEACON_LOSS, beacon_loss_count, u32); + + if (link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) { + bss_param = nla_nest_start_noflag(msg, + NL80211_STA_INFO_BSS_PARAM); + if (!bss_param) + goto nla_put_failure; + + if (((link_sinfo->bss_param.flags & + BSS_PARAM_FLAGS_CTS_PROT) && + nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || + ((link_sinfo->bss_param.flags & + BSS_PARAM_FLAGS_SHORT_PREAMBLE) && + nla_put_flag(msg, + NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || + ((link_sinfo->bss_param.flags & + BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && + nla_put_flag(msg, + NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || + nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, + link_sinfo->bss_param.dtim_period) || + nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, + link_sinfo->bss_param.beacon_interval)) + goto nla_put_failure; + + nla_nest_end(msg, bss_param); + } + + PUT_LINK_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); + PUT_LINK_SINFO_U64(BEACON_RX, rx_beacon); + PUT_LINK_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); + PUT_LINK_SINFO(RX_MPDUS, rx_mpdu_count, u32); + PUT_LINK_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32); + if (wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) { + PUT_LINK_SINFO(ACK_SIGNAL, ack_signal, u8); + PUT_LINK_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8); + } + +#undef PUT_LINK_SINFO +#undef PUT_LINK_SINFO_U64 + + if (link_sinfo->pertid) { + struct nlattr *tidsattr; + int tid; + + tidsattr = nla_nest_start_noflag(msg, + NL80211_STA_INFO_TID_STATS); + if (!tidsattr) + goto nla_put_failure; + + for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { + struct cfg80211_tid_stats *tidstats; + struct nlattr *tidattr; + + tidstats = &link_sinfo->pertid[tid]; + + if (!tidstats->filled) + continue; + + tidattr = nla_nest_start_noflag(msg, tid + 1); + if (!tidattr) + goto nla_put_failure; + +#define PUT_TIDVAL_U64(attr, memb) do { \ + if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \ + nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \ + tidstats->memb, NL80211_TID_STATS_PAD)) \ + goto nla_put_failure; \ + } while (0) + + PUT_TIDVAL_U64(RX_MSDU, rx_msdu); + PUT_TIDVAL_U64(TX_MSDU, tx_msdu); + PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries); + PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed); + +#undef PUT_TIDVAL_U64 + if ((tidstats->filled & + BIT(NL80211_TID_STATS_TXQ_STATS)) && + !nl80211_put_txq_stats(msg, &tidstats->txq_stats, + NL80211_TID_STATS_TXQ_STATS)) + goto nla_put_failure; + + nla_nest_end(msg, tidattr); + } + + nla_nest_end(msg, tidsattr); + } + + nla_nest_end(msg, link_sinfoattr); + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, u32 seq, int flags, struct cfg80211_registered_device *rdev, @@ -6702,6 +7066,9 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, { void *hdr; struct nlattr *sinfoattr, *bss_param; + struct link_station_info *link_sinfo; + struct nlattr *links, *link; + int link_id; hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); if (!hdr) { @@ -6750,9 +7117,6 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, PUT_SINFO_U64(RX_BYTES64, rx_bytes); PUT_SINFO_U64(TX_BYTES64, tx_bytes); - PUT_SINFO(LLID, llid, u16); - PUT_SINFO(PLID, plid, u16); - PUT_SINFO(PLINK_STATE, plink_state, u8); PUT_SINFO_U64(RX_DURATION, rx_duration); PUT_SINFO_U64(TX_DURATION, tx_duration); @@ -6796,13 +7160,18 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, PUT_SINFO(TX_RETRIES, tx_retries, u32); PUT_SINFO(TX_FAILED, tx_failed, u32); PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); - PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32); PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); + + PUT_SINFO(LLID, llid, u16); + PUT_SINFO(PLID, plid, u16); + PUT_SINFO(PLINK_STATE, plink_state, u8); + PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32); PUT_SINFO(LOCAL_PM, local_pm, u32); PUT_SINFO(PEER_PM, peer_pm, u32); PUT_SINFO(NONPEER_PM, nonpeer_pm, u32); PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8); PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8); + PUT_SINFO_U64(T_OFFSET, t_offset); if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) { bss_param = nla_nest_start_noflag(msg, @@ -6830,7 +7199,6 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, &sinfo->sta_flags)) goto nla_put_failure; - PUT_SINFO_U64(T_OFFSET, t_offset); PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); PUT_SINFO_U64(BEACON_RX, rx_beacon); PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); @@ -6915,6 +7283,40 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, goto nla_put_failure; } + if (sinfo->valid_links) { + links = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS); + if (!links) + goto nla_put_failure; + + for_each_valid_link(sinfo, link_id) { + link_sinfo = sinfo->links[link_id]; + + if (WARN_ON_ONCE(!link_sinfo)) + continue; + + if (!is_valid_ether_addr(link_sinfo->addr)) + continue; + + link = nla_nest_start(msg, link_id + 1); + if (!link) + goto nla_put_failure; + + if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, + link_id)) + goto nla_put_failure; + + if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, + link_sinfo->addr)) + goto nla_put_failure; + + if (nl80211_fill_link_station(msg, rdev, link_sinfo)) + goto nla_put_failure; + + nla_nest_end(msg, link); + } + nla_nest_end(msg, links); + } + cfg80211_sinfo_release_content(sinfo); genlmsg_end(msg, hdr); return 0; @@ -6925,6 +7327,194 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, return -EMSGSIZE; } +static void cfg80211_sta_set_mld_sinfo(struct station_info *sinfo) +{ + struct link_station_info *link_sinfo; + int link_id, init = 0; + u32 link_inactive_time; + + sinfo->signal = -99; + + for_each_valid_link(sinfo, link_id) { + link_sinfo = sinfo->links[link_id]; + if (!link_sinfo) + continue; + + if ((link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_TX_PACKETS))) { + sinfo->tx_packets += link_sinfo->tx_packets; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); + } + + if ((link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_RX_PACKETS))) { + sinfo->rx_packets += link_sinfo->rx_packets; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS); + } + + if (link_sinfo->filled & + (BIT_ULL(NL80211_STA_INFO_TX_BYTES) | + BIT_ULL(NL80211_STA_INFO_TX_BYTES64))) { + sinfo->tx_bytes += link_sinfo->tx_bytes; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES); + } + + if (link_sinfo->filled & + (BIT_ULL(NL80211_STA_INFO_RX_BYTES) | + BIT_ULL(NL80211_STA_INFO_TX_BYTES64))) { + sinfo->rx_bytes += link_sinfo->rx_bytes; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES); + } + + if (link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_TX_RETRIES)) { + sinfo->tx_retries += link_sinfo->tx_retries; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES); + } + + if (link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_FAILED)) { + sinfo->tx_failed += link_sinfo->tx_failed; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); + } + + if (link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC)) { + sinfo->rx_dropped_misc += link_sinfo->rx_dropped_misc; + sinfo->filled |= + BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC); + } + + if (link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_BEACON_LOSS)) { + sinfo->beacon_loss_count += + link_sinfo->beacon_loss_count; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_LOSS); + } + + if (link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_EXPECTED_THROUGHPUT)) { + sinfo->expected_throughput += + link_sinfo->expected_throughput; + sinfo->filled |= + BIT_ULL(NL80211_STA_INFO_EXPECTED_THROUGHPUT); + } + + if (link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_MPDUS)) { + sinfo->rx_mpdu_count += link_sinfo->rx_mpdu_count; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_MPDUS); + } + + if (link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_FCS_ERROR_COUNT)) { + sinfo->fcs_err_count += link_sinfo->fcs_err_count; + sinfo->filled |= + BIT_ULL(NL80211_STA_INFO_FCS_ERROR_COUNT); + } + + if (link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_BEACON_RX)) { + sinfo->rx_beacon += link_sinfo->rx_beacon; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); + } + + /* Update MLO signal, signal_avg as best among links */ + if ((link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_SIGNAL)) && + link_sinfo->signal > sinfo->signal) { + sinfo->signal = link_sinfo->signal; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); + } + + if ((link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG)) && + link_sinfo->signal_avg > sinfo->signal_avg) { + sinfo->signal_avg = link_sinfo->signal_avg; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); + } + + /* Update MLO inactive_time, bss_param based on least + * value for corresponding field of link. + */ + if ((link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME)) && + (!init || + link_inactive_time > link_sinfo->inactive_time)) { + link_inactive_time = link_sinfo->inactive_time; + sinfo->inactive_time = link_sinfo->inactive_time; + sinfo->filled |= NL80211_STA_INFO_INACTIVE_TIME; + } + + if (link_sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM) && + (!init || + sinfo->bss_param.dtim_period > + link_sinfo->bss_param.dtim_period)) { + sinfo->bss_param.dtim_period = + link_sinfo->bss_param.dtim_period; + sinfo->filled |= NL80211_STA_BSS_PARAM_DTIM_PERIOD; + sinfo->bss_param.beacon_interval = + link_sinfo->bss_param.beacon_interval; + sinfo->filled |= NL80211_STA_BSS_PARAM_BEACON_INTERVAL; + } + + /* Update MLO rates as per last updated link rate */ + if ((link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) && + (!init || + link_inactive_time > link_sinfo->inactive_time)) { + sinfo->txrate = link_sinfo->txrate; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); + } + if ((link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) && + (!init || + link_inactive_time > link_sinfo->inactive_time)) { + sinfo->rxrate = link_sinfo->rxrate; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); + } + + if (link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_TX_DURATION) && + (!init || + link_inactive_time > link_sinfo->inactive_time)) { + sinfo->tx_duration += link_sinfo->tx_duration; + sinfo->filled |= + BIT_ULL(NL80211_STA_INFO_TX_DURATION); + } + if (link_sinfo->filled & + BIT_ULL(NL80211_STA_INFO_RX_DURATION) && + (!init || + link_inactive_time > link_sinfo->inactive_time)) { + sinfo->rx_duration += link_sinfo->rx_duration; + sinfo->filled |= + BIT_ULL(NL80211_STA_INFO_RX_DURATION); + } + init++; + + /* pertid stats accumulate for rx/tx fields */ + if (sinfo->pertid) { + sinfo->pertid->rx_msdu += + link_sinfo->pertid->rx_msdu; + sinfo->pertid->tx_msdu += + link_sinfo->pertid->tx_msdu; + sinfo->pertid->tx_msdu_retries += + link_sinfo->pertid->tx_msdu_retries; + sinfo->pertid->tx_msdu_failed += + link_sinfo->pertid->tx_msdu_failed; + + sinfo->pertid->filled |= + BIT(NL80211_TID_STATS_RX_MSDU) | + BIT(NL80211_TID_STATS_TX_MSDU) | + BIT(NL80211_TID_STATS_TX_MSDU_RETRIES) | + BIT(NL80211_TID_STATS_TX_MSDU_FAILED); + } + } + + /* Reset sinfo->filled bits to exclude fields which don't make + * much sense at the MLO level. + */ + sinfo->filled &= ~BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL); + sinfo->filled &= ~BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG); +} + static int nl80211_dump_station(struct sk_buff *skb, struct netlink_callback *cb) { @@ -6933,7 +7523,8 @@ static int nl80211_dump_station(struct sk_buff *skb, struct wireless_dev *wdev; u8 mac_addr[ETH_ALEN]; int sta_idx = cb->args[2]; - int err; + bool sinfo_alloc = false; + int err, i; err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL); if (err) @@ -6953,6 +7544,17 @@ static int nl80211_dump_station(struct sk_buff *skb, while (1) { memset(&sinfo, 0, sizeof(sinfo)); + + for (i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) { + sinfo.links[i] = + kzalloc(sizeof(*sinfo.links[0]), GFP_KERNEL); + if (!sinfo.links[i]) { + err = -ENOMEM; + goto out_err; + } + sinfo_alloc = true; + } + err = rdev_dump_station(rdev, wdev->netdev, sta_idx, mac_addr, &sinfo); if (err == -ENOENT) @@ -6960,6 +7562,14 @@ static int nl80211_dump_station(struct sk_buff *skb, if (err) goto out_err; + if (sinfo.valid_links) + cfg80211_sta_set_mld_sinfo(&sinfo); + + /* reset the sinfo_alloc flag as nl80211_send_station() + * always releases sinfo + */ + sinfo_alloc = false; + if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, @@ -6974,6 +7584,8 @@ static int nl80211_dump_station(struct sk_buff *skb, cb->args[2] = sta_idx; err = skb->len; out_err: + if (sinfo_alloc) + cfg80211_sinfo_release_content(&sinfo); wiphy_unlock(&rdev->wiphy); return err; @@ -6986,7 +7598,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) struct station_info sinfo; struct sk_buff *msg; u8 *mac_addr = NULL; - int err; + int err, i; memset(&sinfo, 0, sizeof(sinfo)); @@ -6998,9 +7610,19 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) if (!rdev->ops->get_station) return -EOPNOTSUPP; + for (i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) { + sinfo.links[i] = kzalloc(sizeof(*sinfo.links[0]), GFP_KERNEL); + if (!sinfo.links[i]) { + cfg80211_sinfo_release_content(&sinfo); + return -ENOMEM; + } + } + err = rdev_get_station(rdev, dev, mac_addr, &sinfo); - if (err) + if (err) { + cfg80211_sinfo_release_content(&sinfo); return err; + } msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) { @@ -7008,6 +7630,9 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) return -ENOMEM; } + if (sinfo.valid_links) + cfg80211_sta_set_mld_sinfo(&sinfo); + if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, info->snd_portid, info->snd_seq, 0, rdev, dev, mac_addr, &sinfo) < 0) { @@ -7106,6 +7731,11 @@ int cfg80211_check_station_change(struct wiphy *wiphy, return -EINVAL; } + /* Accept EMLSR capabilities only for AP client before association */ + if (statype != CFG80211_STA_AP_CLIENT_UNASSOC && + params->eml_cap_present) + return -EINVAL; + switch (statype) { case CFG80211_STA_AP_MLME_CLIENT: /* Use this only for authorizing/unauthorizing a station */ @@ -7309,6 +7939,10 @@ static int nl80211_set_station_tdls(struct genl_info *info, } } + if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) + params->link_sta_params.s1g_capa = + nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]); + err = nl80211_parse_sta_channel_info(info, params); if (err) return err; @@ -7461,6 +8095,12 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) params.link_sta_params.he_6ghz_capa = nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]); + if (info->attrs[NL80211_ATTR_EML_CAPABILITY]) { + params.eml_cap_present = true; + params.eml_cap = + nla_get_u16(info->attrs[NL80211_ATTR_EML_CAPABILITY]); + } + if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]) params.airtime_weight = nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]); @@ -7619,10 +8259,20 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) } } + if (info->attrs[NL80211_ATTR_EML_CAPABILITY]) { + params.eml_cap_present = true; + params.eml_cap = + nla_get_u16(info->attrs[NL80211_ATTR_EML_CAPABILITY]); + } + if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]) params.link_sta_params.he_6ghz_capa = nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]); + if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) + params.link_sta_params.s1g_capa = + nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]); + if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { params.link_sta_params.opmode_notif_used = true; params.link_sta_params.opmode_notif = @@ -9191,6 +9841,7 @@ static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev, { unsigned int link_id; bool all_ok = true; + int radio_idx; lockdep_assert_wiphy(wdev->wiphy); @@ -9200,8 +9851,10 @@ static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev, if (!cfg80211_beaconing_iface_active(wdev)) return true; + radio_idx = cfg80211_get_radio_idx_by_chan(wdev->wiphy, chan); + /* - * FIXME: check if we have a free HW resource/link for chan + * FIXME: check if we have a free radio/link for chan * * This, as well as the FIXME below, requires knowing the link * capabilities of the hardware. @@ -9210,20 +9863,28 @@ static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev, /* we cannot leave radar channels */ for_each_valid_link(wdev, link_id) { struct cfg80211_chan_def *chandef; + int link_radio_idx; chandef = wdev_chandef(wdev, link_id); if (!chandef || !chandef->chan) continue; + if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR)) + continue; + /* - * FIXME: don't require all_ok, but rather check only the - * correct HW resource/link onto which 'chan' falls, - * as only that link leaves the channel for doing - * the off-channel operation. + * chandef->chan is a radar channel. If the radio/link onto + * which this radar channel falls is the same radio/link onto + * which the input 'chan' falls, off-channel operation should + * not be allowed. Hence, set 'all_ok' to false. */ - if (chandef->chan->flags & IEEE80211_CHAN_RADAR) + link_radio_idx = cfg80211_get_radio_idx_by_chan(wdev->wiphy, + chandef->chan); + if (link_radio_idx == radio_idx) { all_ok = false; + break; + } } if (all_ok) @@ -9244,34 +9905,12 @@ static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag, static int nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev, - void *request, struct nlattr **attrs, - bool is_sched_scan) + struct nlattr **attrs, u8 *mac_addr, u8 *mac_addr_mask, + u32 *flags, enum nl80211_feature_flags randomness_flag) { - u8 *mac_addr, *mac_addr_mask; - u32 *flags; - enum nl80211_feature_flags randomness_flag; - if (!attrs[NL80211_ATTR_SCAN_FLAGS]) return 0; - if (is_sched_scan) { - struct cfg80211_sched_scan_request *req = request; - - randomness_flag = wdev ? - NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR : - NL80211_FEATURE_ND_RANDOM_MAC_ADDR; - flags = &req->flags; - mac_addr = req->mac_addr; - mac_addr_mask = req->mac_addr_mask; - } else { - struct cfg80211_scan_request *req = request; - - randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; - flags = &req->flags; - mac_addr = req->mac_addr; - mac_addr_mask = req->mac_addr_mask; - } - *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]); if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && @@ -9320,11 +9959,35 @@ nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev, return 0; } +static int +nl80211_check_scan_flags_sched(struct wiphy *wiphy, struct wireless_dev *wdev, + struct nlattr **attrs, + struct cfg80211_sched_scan_request *req) +{ + return nl80211_check_scan_flags(wiphy, wdev, attrs, + req->mac_addr, req->mac_addr_mask, + &req->flags, + wdev ? NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR : + NL80211_FEATURE_ND_RANDOM_MAC_ADDR); +} + +static int +nl80211_check_scan_flags_reg(struct wiphy *wiphy, struct wireless_dev *wdev, + struct nlattr **attrs, + struct cfg80211_scan_request_int *req) +{ + return nl80211_check_scan_flags(wiphy, wdev, attrs, + req->req.mac_addr, + req->req.mac_addr_mask, + &req->req.flags, + NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR); +} + static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct wireless_dev *wdev = info->user_ptr[1]; - struct cfg80211_scan_request *request; + struct cfg80211_scan_request_int *request; struct nlattr *scan_freqs = NULL; bool scan_freqs_khz = false; struct nlattr *attr; @@ -9376,21 +10039,20 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) if (ie_len > wiphy->max_scan_ie_len) return -EINVAL; - size = struct_size(request, channels, n_channels); + size = struct_size(request, req.channels, n_channels); ssids_offset = size; - size = size_add(size, array_size(sizeof(*request->ssids), n_ssids)); + size = size_add(size, array_size(sizeof(*request->req.ssids), n_ssids)); ie_offset = size; size = size_add(size, ie_len); request = kzalloc(size, GFP_KERNEL); if (!request) return -ENOMEM; - request->n_channels = n_channels; if (n_ssids) - request->ssids = (void *)request + ssids_offset; - request->n_ssids = n_ssids; + request->req.ssids = (void *)request + ssids_offset; + request->req.n_ssids = n_ssids; if (ie_len) - request->ie = (void *)request + ie_offset; + request->req.ie = (void *)request + ie_offset; i = 0; if (scan_freqs) { @@ -9413,7 +10075,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) !cfg80211_wdev_channel_allowed(wdev, chan)) continue; - request->channels[i] = chan; + request->req.channels[i] = chan; i++; } } else { @@ -9434,7 +10096,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) !cfg80211_wdev_channel_allowed(wdev, chan)) continue; - request->channels[i] = chan; + request->req.channels[i] = chan; i++; } } @@ -9445,10 +10107,10 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) goto out_free; } - request->n_channels = i; + request->req.n_channels = i; - for (i = 0; i < request->n_channels; i++) { - struct ieee80211_channel *chan = request->channels[i]; + for (i = 0; i < request->req.n_channels; i++) { + struct ieee80211_channel *chan = request->req.channels[i]; /* if we can go off-channel to the target channel we're good */ if (cfg80211_off_channel_oper_allowed(wdev, chan)) @@ -9467,22 +10129,23 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) err = -EINVAL; goto out_free; } - request->ssids[i].ssid_len = nla_len(attr); - memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); + request->req.ssids[i].ssid_len = nla_len(attr); + memcpy(request->req.ssids[i].ssid, + nla_data(attr), nla_len(attr)); i++; } } if (info->attrs[NL80211_ATTR_IE]) { - request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); - memcpy((void *)request->ie, + request->req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); + memcpy((void *)request->req.ie, nla_data(info->attrs[NL80211_ATTR_IE]), - request->ie_len); + request->req.ie_len); } for (i = 0; i < NUM_NL80211_BANDS; i++) if (wiphy->bands[i]) - request->rates[i] = + request->req.rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { @@ -9502,25 +10165,24 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) err = ieee80211_get_ratemask(wiphy->bands[band], nla_data(attr), nla_len(attr), - &request->rates[band]); + &request->req.rates[band]); if (err) goto out_free; } } if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) { - request->duration = + request->req.duration = nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]); - request->duration_mandatory = + request->req.duration_mandatory = nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]); } - err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs, - false); + err = nl80211_check_scan_flags_reg(wiphy, wdev, info->attrs, request); if (err) goto out_free; - request->no_cck = + request->req.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); /* Initial implementation used NL80211_ATTR_MAC to set the specific @@ -9533,19 +10195,21 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use). */ if (info->attrs[NL80211_ATTR_BSSID]) - memcpy(request->bssid, + memcpy(request->req.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN); - else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) && + else if (!(request->req.flags & NL80211_SCAN_FLAG_RANDOM_ADDR) && info->attrs[NL80211_ATTR_MAC]) - memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]), + memcpy(request->req.bssid, + nla_data(info->attrs[NL80211_ATTR_MAC]), ETH_ALEN); else - eth_broadcast_addr(request->bssid); + eth_broadcast_addr(request->req.bssid); - request->tsf_report_link_id = nl80211_link_id_or_invalid(info->attrs); - request->wdev = wdev; - request->wiphy = &rdev->wiphy; - request->scan_start = jiffies; + request->req.tsf_report_link_id = + nl80211_link_id_or_invalid(info->attrs); + request->req.wdev = wdev; + request->req.wiphy = &rdev->wiphy; + request->req.scan_start = jiffies; rdev->scan_req = request; err = cfg80211_scan(rdev); @@ -9967,7 +10631,7 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, request->ie_len); } - err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true); + err = nl80211_check_scan_flags_sched(wiphy, wdev, attrs, request); if (err) goto out_free; @@ -10098,7 +10762,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb, struct cfg80211_chan_def chandef; enum nl80211_dfs_regions dfs_region; unsigned int cac_time_ms; - int err = -EINVAL; + int err; flush_delayed_work(&rdev->dfs_update_channels_wk); @@ -10113,35 +10777,29 @@ static int nl80211_start_radar_detection(struct sk_buff *skb, return -EINVAL; } - wiphy_lock(wiphy); + guard(wiphy)(wiphy); dfs_region = reg_get_dfs_region(wiphy); if (dfs_region == NL80211_DFS_UNSET) - goto unlock; + return -EINVAL; err = nl80211_parse_chandef(rdev, info, &chandef); if (err) - goto unlock; + return err; err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype); if (err < 0) - goto unlock; + return err; - if (err == 0) { - err = -EINVAL; - goto unlock; - } + if (err == 0) + return -EINVAL; - if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) { - err = -EINVAL; - goto unlock; - } + if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) + return -EINVAL; - if (nla_get_flag(info->attrs[NL80211_ATTR_RADAR_BACKGROUND])) { - err = cfg80211_start_background_radar_detection(rdev, wdev, - &chandef); - goto unlock; - } + if (nla_get_flag(info->attrs[NL80211_ATTR_RADAR_BACKGROUND])) + return cfg80211_start_background_radar_detection(rdev, wdev, + &chandef); if (cfg80211_beaconing_iface_active(wdev)) { /* During MLO other link(s) can beacon, only the current link @@ -10151,26 +10809,19 @@ static int nl80211_start_radar_detection(struct sk_buff *skb, !wdev->links[link_id].ap.beacon_interval) { /* nothing */ } else { - err = -EBUSY; - goto unlock; + return -EBUSY; } } - if (wdev->links[link_id].cac_started) { - err = -EBUSY; - goto unlock; - } + if (wdev->links[link_id].cac_started) + return -EBUSY; /* CAC start is offloaded to HW and can't be started manually */ - if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) { - err = -EOPNOTSUPP; - goto unlock; - } + if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) + return -EOPNOTSUPP; - if (!rdev->ops->start_radar_detection) { - err = -EOPNOTSUPP; - goto unlock; - } + if (!rdev->ops->start_radar_detection) + return -EOPNOTSUPP; cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); if (WARN_ON(!cac_time_ms)) @@ -10178,29 +10829,28 @@ static int nl80211_start_radar_detection(struct sk_buff *skb, err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms, link_id); - if (!err) { - switch (wdev->iftype) { - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_P2P_GO: - wdev->links[0].ap.chandef = chandef; - break; - case NL80211_IFTYPE_ADHOC: - wdev->u.ibss.chandef = chandef; - break; - case NL80211_IFTYPE_MESH_POINT: - wdev->u.mesh.chandef = chandef; - break; - default: - break; - } - wdev->links[link_id].cac_started = true; - wdev->links[link_id].cac_start_time = jiffies; - wdev->links[link_id].cac_time_ms = cac_time_ms; + if (err) + return err; + + switch (wdev->iftype) { + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + wdev->links[link_id].ap.chandef = chandef; + break; + case NL80211_IFTYPE_ADHOC: + wdev->u.ibss.chandef = chandef; + break; + case NL80211_IFTYPE_MESH_POINT: + wdev->u.mesh.chandef = chandef; + break; + default: + break; } -unlock: - wiphy_unlock(wiphy); + wdev->links[link_id].cac_started = true; + wdev->links[link_id].cac_start_time = jiffies; + wdev->links[link_id].cac_time_ms = cac_time_ms; - return err; + return 0; } static int nl80211_notify_radar_detection(struct sk_buff *skb, @@ -10435,6 +11085,16 @@ skip_beacons: if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) params.block_tx = true; + if ((wdev->iftype == NL80211_IFTYPE_AP || + wdev->iftype == NL80211_IFTYPE_P2P_GO) && + info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) { + err = nl80211_parse_unsol_bcast_probe_resp( + rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP], + ¶ms.unsol_bcast_probe_resp); + if (err) + goto free; + } + params.link_id = link_id; err = rdev_channel_switch(rdev, dev, ¶ms); @@ -10533,9 +11193,9 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, intbss->parent_bssid))) goto nla_put_failure; - if (intbss->ts_boottime && + if (res->ts_boottime && nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME, - intbss->ts_boottime, NL80211_BSS_PAD)) + res->ts_boottime, NL80211_BSS_PAD)) goto nla_put_failure; if (!nl80211_put_signal(msg, intbss->pub.chains, @@ -10897,6 +11557,13 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); } + if (info->attrs[NL80211_ATTR_SUPPORTED_SELECTORS]) { + req.supported_selectors = + nla_data(info->attrs[NL80211_ATTR_SUPPORTED_SELECTORS]); + req.supported_selectors_len = + nla_len(info->attrs[NL80211_ATTR_SUPPORTED_SELECTORS]); + } + auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) return -EINVAL; @@ -11127,12 +11794,84 @@ static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device return bss; } +static int nl80211_process_links(struct cfg80211_registered_device *rdev, + struct cfg80211_assoc_link *links, + int assoc_link_id, + const u8 *ssid, int ssid_len, + struct genl_info *info) +{ + unsigned int attrsize = NUM_NL80211_ATTR * sizeof(struct nlattr *); + struct nlattr **attrs __free(kfree) = kzalloc(attrsize, GFP_KERNEL); + struct nlattr *link; + unsigned int link_id; + int rem, err; + + if (!attrs) + return -ENOMEM; + + nla_for_each_nested(link, info->attrs[NL80211_ATTR_MLO_LINKS], rem) { + memset(attrs, 0, attrsize); + + nla_parse_nested(attrs, NL80211_ATTR_MAX, link, NULL, NULL); + + if (!attrs[NL80211_ATTR_MLO_LINK_ID]) { + NL_SET_BAD_ATTR(info->extack, link); + return -EINVAL; + } + + link_id = nla_get_u8(attrs[NL80211_ATTR_MLO_LINK_ID]); + /* cannot use the same link ID again */ + if (links[link_id].bss) { + NL_SET_BAD_ATTR(info->extack, link); + return -EINVAL; + } + links[link_id].bss = + nl80211_assoc_bss(rdev, ssid, ssid_len, attrs, + assoc_link_id, link_id); + if (IS_ERR(links[link_id].bss)) { + err = PTR_ERR(links[link_id].bss); + links[link_id].bss = NULL; + NL_SET_ERR_MSG_ATTR(info->extack, link, + "Error fetching BSS for link"); + return err; + } + + if (attrs[NL80211_ATTR_IE]) { + links[link_id].elems = nla_data(attrs[NL80211_ATTR_IE]); + links[link_id].elems_len = + nla_len(attrs[NL80211_ATTR_IE]); + + if (cfg80211_find_elem(WLAN_EID_FRAGMENT, + links[link_id].elems, + links[link_id].elems_len)) { + NL_SET_ERR_MSG_ATTR(info->extack, + attrs[NL80211_ATTR_IE], + "cannot deal with fragmentation"); + return -EINVAL; + } + + if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE, + links[link_id].elems, + links[link_id].elems_len)) { + NL_SET_ERR_MSG_ATTR(info->extack, + attrs[NL80211_ATTR_IE], + "cannot deal with non-inheritance"); + return -EINVAL; + } + } + + links[link_id].disabled = + nla_get_flag(attrs[NL80211_ATTR_MLO_LINK_DISABLED]); + } + + return 0; +} + static int nl80211_associate(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 cfg80211_assoc_request req = {}; - struct nlattr **attrs = NULL; const u8 *ap_addr, *ssid; unsigned int link_id; int err, ssid_len; @@ -11179,6 +11918,13 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_PREV_BSSID]) req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); + if (info->attrs[NL80211_ATTR_SUPPORTED_SELECTORS]) { + req.supported_selectors = + nla_data(info->attrs[NL80211_ATTR_SUPPORTED_SELECTORS]); + req.supported_selectors_len = + nla_len(info->attrs[NL80211_ATTR_SUPPORTED_SELECTORS]); + } + if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) req.flags |= ASSOC_REQ_DISABLE_HT; @@ -11264,10 +12010,6 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) req.link_id = nl80211_link_id_or_invalid(info->attrs); if (info->attrs[NL80211_ATTR_MLO_LINKS]) { - unsigned int attrsize = NUM_NL80211_ATTR * sizeof(*attrs); - struct nlattr *link; - int rem = 0; - if (req.link_id < 0) return -EINVAL; @@ -11282,72 +12024,10 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]); ap_addr = req.ap_mld_addr; - attrs = kzalloc(attrsize, GFP_KERNEL); - if (!attrs) - return -ENOMEM; - - nla_for_each_nested(link, - info->attrs[NL80211_ATTR_MLO_LINKS], - rem) { - memset(attrs, 0, attrsize); - - nla_parse_nested(attrs, NL80211_ATTR_MAX, - link, NULL, NULL); - - if (!attrs[NL80211_ATTR_MLO_LINK_ID]) { - err = -EINVAL; - NL_SET_BAD_ATTR(info->extack, link); - goto free; - } - - link_id = nla_get_u8(attrs[NL80211_ATTR_MLO_LINK_ID]); - /* cannot use the same link ID again */ - if (req.links[link_id].bss) { - err = -EINVAL; - NL_SET_BAD_ATTR(info->extack, link); - goto free; - } - req.links[link_id].bss = - nl80211_assoc_bss(rdev, ssid, ssid_len, attrs, - req.link_id, link_id); - if (IS_ERR(req.links[link_id].bss)) { - err = PTR_ERR(req.links[link_id].bss); - req.links[link_id].bss = NULL; - NL_SET_ERR_MSG_ATTR(info->extack, - link, "Error fetching BSS for link"); - goto free; - } - - if (attrs[NL80211_ATTR_IE]) { - req.links[link_id].elems = - nla_data(attrs[NL80211_ATTR_IE]); - req.links[link_id].elems_len = - nla_len(attrs[NL80211_ATTR_IE]); - - if (cfg80211_find_elem(WLAN_EID_FRAGMENT, - req.links[link_id].elems, - req.links[link_id].elems_len)) { - NL_SET_ERR_MSG_ATTR(info->extack, - attrs[NL80211_ATTR_IE], - "cannot deal with fragmentation"); - err = -EINVAL; - goto free; - } - - if (cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE, - req.links[link_id].elems, - req.links[link_id].elems_len)) { - NL_SET_ERR_MSG_ATTR(info->extack, - attrs[NL80211_ATTR_IE], - "cannot deal with non-inheritance"); - err = -EINVAL; - goto free; - } - } - - req.links[link_id].disabled = - nla_get_flag(attrs[NL80211_ATTR_MLO_LINK_DISABLED]); - } + err = nl80211_process_links(rdev, req.links, req.link_id, + ssid, ssid_len, info); + if (err) + goto free; if (!req.links[req.link_id].bss) { err = -EINVAL; @@ -11368,8 +12048,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) goto free; } - kfree(attrs); - attrs = NULL; + if (info->attrs[NL80211_ATTR_ASSOC_MLD_EXT_CAPA_OPS]) + req.ext_mld_capa_ops = + nla_get_u16(info->attrs[NL80211_ATTR_ASSOC_MLD_EXT_CAPA_OPS]); } else { if (req.link_id >= 0) return -EINVAL; @@ -11379,6 +12060,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) if (IS_ERR(req.bss)) return PTR_ERR(req.bss); ap_addr = req.bss->bssid; + + if (info->attrs[NL80211_ATTR_ASSOC_MLD_EXT_CAPA_OPS]) + return -EINVAL; } err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); @@ -11429,7 +12113,6 @@ free: for (link_id = 0; link_id < ARRAY_SIZE(req.links); link_id++) cfg80211_put_bss(&rdev->wiphy, req.links[link_id].bss); cfg80211_put_bss(&rdev->wiphy, req.bss); - kfree(attrs); return err; } @@ -16214,6 +16897,14 @@ static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info) params.counter_offset_presp = offset; } + if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) { + err = nl80211_parse_unsol_bcast_probe_resp( + rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP], + ¶ms.unsol_bcast_probe_resp); + if (err) + goto out; + } + params.link_id = nl80211_link_id(info->attrs); err = rdev_color_change(rdev, dev, ¶ms); @@ -16481,6 +17172,91 @@ nl80211_set_ttlm(struct sk_buff *skb, struct genl_info *info) return rdev_set_ttlm(rdev, dev, ¶ms); } +static int nl80211_assoc_ml_reconf(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 cfg80211_ml_reconf_req req = {}; + unsigned int link_id; + u16 add_links; + int err; + + if (!wdev->valid_links) + return -EINVAL; + + if (dev->ieee80211_ptr->conn_owner_nlportid && + dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid) + return -EPERM; + + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; + + add_links = 0; + if (info->attrs[NL80211_ATTR_MLO_LINKS]) { + err = nl80211_process_links(rdev, req.add_links, + /* mark as MLO, but not assoc */ + IEEE80211_MLD_MAX_NUM_LINKS, + NULL, 0, info); + if (err) + return err; + + for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; + link_id++) { + if (!req.add_links[link_id].bss) + continue; + add_links |= BIT(link_id); + } + } + + if (info->attrs[NL80211_ATTR_MLO_RECONF_REM_LINKS]) + req.rem_links = + nla_get_u16(info->attrs[NL80211_ATTR_MLO_RECONF_REM_LINKS]); + + /* Validate that existing links are not added, removed links are valid + * and don't allow adding and removing the same links + */ + if ((add_links & req.rem_links) || !(add_links | req.rem_links) || + (wdev->valid_links & add_links) || + ((wdev->valid_links & req.rem_links) != req.rem_links)) { + err = -EINVAL; + goto out; + } + + if (info->attrs[NL80211_ATTR_ASSOC_MLD_EXT_CAPA_OPS]) + req.ext_mld_capa_ops = + nla_get_u16(info->attrs[NL80211_ATTR_ASSOC_MLD_EXT_CAPA_OPS]); + + err = cfg80211_assoc_ml_reconf(rdev, dev, &req); + +out: + for (link_id = 0; link_id < ARRAY_SIZE(req.add_links); link_id++) + cfg80211_put_bss(&rdev->wiphy, req.add_links[link_id].bss); + + return err; +} + +static int +nl80211_epcs_cfg(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; + bool val; + + if (wdev->iftype != NL80211_IFTYPE_STATION && + wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; + + if (!wdev->connected) + return -ENOLINK; + + val = nla_get_flag(info->attrs[NL80211_ATTR_EPCS]); + + return rdev_set_epcs(rdev, dev, val); +} + #define NL80211_FLAG_NEED_WIPHY 0x01 #define NL80211_FLAG_NEED_NETDEV 0x02 #define NL80211_FLAG_NEED_RTNL 0x04 @@ -16783,6 +17559,7 @@ static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info) if (!sar_spec) return -ENOMEM; + sar_spec->num_sub_specs = specs; sar_spec->type = type; specs = 0; nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) { @@ -17673,6 +18450,18 @@ static const struct genl_small_ops nl80211_small_ops[] = { .flags = GENL_UNS_ADMIN_PERM, .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP), }, + { + .cmd = NL80211_CMD_ASSOC_MLO_RECONF, + .doit = nl80211_assoc_ml_reconf, + .flags = GENL_UNS_ADMIN_PERM, + .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP), + }, + { + .cmd = NL80211_CMD_EPCS_CFG, + .doit = nl80211_epcs_cfg, + .flags = GENL_UNS_ADMIN_PERM, + .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP), + }, }; static struct genl_family nl80211_fam __ro_after_init = { @@ -17741,7 +18530,7 @@ void nl80211_notify_iface(struct cfg80211_registered_device *rdev, static int nl80211_add_scan_req(struct sk_buff *msg, struct cfg80211_registered_device *rdev) { - struct cfg80211_scan_request *req = rdev->scan_req; + struct cfg80211_scan_request_int *req = rdev->scan_req; struct nlattr *nest; int i; struct cfg80211_scan_info *info; @@ -17752,19 +18541,20 @@ static int nl80211_add_scan_req(struct sk_buff *msg, nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS); if (!nest) goto nla_put_failure; - for (i = 0; i < req->n_ssids; i++) { - if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) + for (i = 0; i < req->req.n_ssids; i++) { + if (nla_put(msg, i, req->req.ssids[i].ssid_len, + req->req.ssids[i].ssid)) goto nla_put_failure; } nla_nest_end(msg, nest); - if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) { + if (req->req.flags & NL80211_SCAN_FLAG_FREQ_KHZ) { nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ); if (!nest) goto nla_put_failure; - for (i = 0; i < req->n_channels; i++) { + for (i = 0; i < req->req.n_channels; i++) { if (nla_put_u32(msg, i, - ieee80211_channel_to_khz(req->channels[i]))) + ieee80211_channel_to_khz(req->req.channels[i]))) goto nla_put_failure; } nla_nest_end(msg, nest); @@ -17773,19 +18563,20 @@ static int nl80211_add_scan_req(struct sk_buff *msg, NL80211_ATTR_SCAN_FREQUENCIES); if (!nest) goto nla_put_failure; - for (i = 0; i < req->n_channels; i++) { - if (nla_put_u32(msg, i, req->channels[i]->center_freq)) + for (i = 0; i < req->req.n_channels; i++) { + if (nla_put_u32(msg, i, + req->req.channels[i]->center_freq)) goto nla_put_failure; } nla_nest_end(msg, nest); } - if (req->ie && - nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) + if (req->req.ie && + nla_put(msg, NL80211_ATTR_IE, req->req.ie_len, req->req.ie)) goto nla_put_failure; - if (req->flags && - nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) + if (req->req.flags && + nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->req.flags)) goto nla_put_failure; info = rdev->int_scan_req ? &rdev->int_scan_req->info : @@ -18448,10 +19239,9 @@ void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev, nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_addr)) goto nla_put_failure; - if ((td_bitmap_len > 0) && td_bitmap) - if (nla_put(msg, NL80211_ATTR_TD_BITMAP, - td_bitmap_len, td_bitmap)) - goto nla_put_failure; + if (td_bitmap_len > 0 && td_bitmap && + nla_put(msg, NL80211_ATTR_TD_BITMAP, td_bitmap_len, td_bitmap)) + goto nla_put_failure; genlmsg_end(msg, hdr); @@ -18569,6 +19359,23 @@ void cfg80211_links_removed(struct net_device *dev, u16 link_mask) } EXPORT_SYMBOL(cfg80211_links_removed); +void nl80211_mlo_reconf_add_done(struct net_device *dev, + struct cfg80211_mlo_reconf_done_data *data) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + struct nl80211_mlme_event event = { + .cmd = NL80211_CMD_ASSOC_MLO_RECONF, + .buf = data->buf, + .buf_len = data->len, + .uapsd_queues = -1, + }; + + nl80211_send_mlme_event(rdev, dev, &event, GFP_KERNEL); +} +EXPORT_SYMBOL(nl80211_mlo_reconf_add_done); + void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *bssid, gfp_t gfp) @@ -18949,7 +19756,7 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, EXPORT_SYMBOL(cfg80211_conn_failed); static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, - const u8 *addr, gfp_t gfp) + const u8 *addr, int link_id, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); @@ -18972,7 +19779,9 @@ static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || - nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) + nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || + (link_id >= 0 && + nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))) goto nla_put_failure; genlmsg_end(msg, hdr); @@ -18984,13 +19793,13 @@ static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, return true; } -bool cfg80211_rx_spurious_frame(struct net_device *dev, - const u8 *addr, gfp_t gfp) +bool cfg80211_rx_spurious_frame(struct net_device *dev, const u8 *addr, + int link_id, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; bool ret; - trace_cfg80211_rx_spurious_frame(dev, addr); + trace_cfg80211_rx_spurious_frame(dev, addr, link_id); if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && wdev->iftype != NL80211_IFTYPE_P2P_GO)) { @@ -18998,19 +19807,19 @@ bool cfg80211_rx_spurious_frame(struct net_device *dev, return false; } ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, - addr, gfp); + addr, link_id, gfp); trace_cfg80211_return_bool(ret); return ret; } EXPORT_SYMBOL(cfg80211_rx_spurious_frame); -bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, - const u8 *addr, gfp_t gfp) +bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, const u8 *addr, + int link_id, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; bool ret; - trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); + trace_cfg80211_rx_unexpected_4addr_frame(dev, addr, link_id); if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && wdev->iftype != NL80211_IFTYPE_P2P_GO && @@ -19020,7 +19829,7 @@ bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, } ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_4ADDR_FRAME, - addr, gfp); + addr, link_id, gfp); trace_cfg80211_return_bool(ret); return ret; } @@ -20401,6 +21210,39 @@ void cfg80211_schedule_channels_check(struct wireless_dev *wdev) } EXPORT_SYMBOL(cfg80211_schedule_channels_check); +void cfg80211_epcs_changed(struct net_device *netdev, bool enabled) +{ + struct wireless_dev *wdev = netdev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); + struct sk_buff *msg; + void *hdr; + + trace_cfg80211_epcs_changed(wdev, enabled); + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EPCS_CFG); + if (!hdr) { + nlmsg_free(msg); + return; + } + + if (enabled && nla_put_flag(msg, NL80211_ATTR_EPCS)) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_MLME, GFP_KERNEL); + return; + + nla_put_failure: + nlmsg_free(msg); +} +EXPORT_SYMBOL(cfg80211_epcs_changed); + /* initialisation/exit functions */ int __init nl80211_init(void) diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index ffaab9a92e5b..5e25782af1e0 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -124,4 +124,7 @@ void cfg80211_free_coalesce(struct cfg80211_coalesce *coalesce); /* peer measurement */ int nl80211_pmsr_start(struct sk_buff *skb, struct genl_info *info); +void nl80211_mlo_reconf_add_done(struct net_device *dev, + struct cfg80211_mlo_reconf_done_data *data); + #endif /* __NET_WIRELESS_NL80211_H */ diff --git a/net/wireless/pmsr.c b/net/wireless/pmsr.c index 0396fa19bdf1..a117f5093ca2 100644 --- a/net/wireless/pmsr.c +++ b/net/wireless/pmsr.c @@ -630,9 +630,9 @@ void cfg80211_pmsr_free_wk(struct work_struct *work) struct wireless_dev *wdev = container_of(work, struct wireless_dev, pmsr_free_wk); - wiphy_lock(wdev->wiphy); + guard(wiphy)(wdev->wiphy); + cfg80211_pmsr_process_abort(wdev); - wiphy_unlock(wdev->wiphy); } void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev) diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index adb6105bbb7d..ac6884bacf3f 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -2,7 +2,7 @@ /* * Portions of this file * Copyright(c) 2016-2017 Intel Deutschland GmbH - * Copyright (C) 2018, 2021-2024 Intel Corporation + * Copyright (C) 2018, 2021-2025 Intel Corporation */ #ifndef __CFG80211_RDEV_OPS #define __CFG80211_RDEV_OPS @@ -456,15 +456,15 @@ rdev_set_monitor_channel(struct cfg80211_registered_device *rdev, } static inline int rdev_scan(struct cfg80211_registered_device *rdev, - struct cfg80211_scan_request *request) + struct cfg80211_scan_request_int *request) { int ret; - if (WARN_ON_ONCE(!request->n_ssids && request->ssids)) + if (WARN_ON_ONCE(!request->req.n_ssids && request->req.ssids)) return -EINVAL; trace_rdev_scan(&rdev->wiphy, request); - ret = rdev->ops->scan(&rdev->wiphy, request); + ret = rdev->ops->scan(&rdev->wiphy, &request->req); trace_rdev_return_int(&rdev->wiphy, ret); return ret; } @@ -577,34 +577,40 @@ static inline int rdev_leave_ibss(struct cfg80211_registered_device *rdev, } static inline int -rdev_set_wiphy_params(struct cfg80211_registered_device *rdev, u32 changed) +rdev_set_wiphy_params(struct cfg80211_registered_device *rdev, int radio_idx, + u32 changed) { int ret = -EOPNOTSUPP; - trace_rdev_set_wiphy_params(&rdev->wiphy, changed); + trace_rdev_set_wiphy_params(&rdev->wiphy, radio_idx, changed); if (rdev->ops->set_wiphy_params) - ret = rdev->ops->set_wiphy_params(&rdev->wiphy, changed); + ret = rdev->ops->set_wiphy_params(&rdev->wiphy, radio_idx, + changed); trace_rdev_return_int(&rdev->wiphy, ret); return ret; } static inline int rdev_set_tx_power(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, - enum nl80211_tx_power_setting type, int mbm) + struct wireless_dev *wdev, int radio_idx, + enum nl80211_tx_power_setting type, + int mbm) { int ret; - trace_rdev_set_tx_power(&rdev->wiphy, wdev, type, mbm); - ret = rdev->ops->set_tx_power(&rdev->wiphy, wdev, type, mbm); + trace_rdev_set_tx_power(&rdev->wiphy, wdev, radio_idx, type, mbm); + ret = rdev->ops->set_tx_power(&rdev->wiphy, wdev, radio_idx, type, + mbm); trace_rdev_return_int(&rdev->wiphy, ret); return ret; } static inline int rdev_get_tx_power(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, int *dbm) + struct wireless_dev *wdev, int radio_idx, + unsigned int link_id, int *dbm) { int ret; - trace_rdev_get_tx_power(&rdev->wiphy, wdev); - ret = rdev->ops->get_tx_power(&rdev->wiphy, wdev, dbm); + trace_rdev_get_tx_power(&rdev->wiphy, wdev, radio_idx, link_id); + ret = rdev->ops->get_tx_power(&rdev->wiphy, wdev, radio_idx, link_id, + dbm); trace_rdev_return_int_int(&rdev->wiphy, ret, *dbm); return ret; } @@ -856,21 +862,21 @@ rdev_update_mgmt_frame_registrations(struct cfg80211_registered_device *rdev, } static inline int rdev_set_antenna(struct cfg80211_registered_device *rdev, - u32 tx_ant, u32 rx_ant) + int radio_idx, u32 tx_ant, u32 rx_ant) { int ret; - trace_rdev_set_antenna(&rdev->wiphy, tx_ant, rx_ant); - ret = rdev->ops->set_antenna(&rdev->wiphy, tx_ant, rx_ant); + trace_rdev_set_antenna(&rdev->wiphy, radio_idx, tx_ant, rx_ant); + ret = rdev->ops->set_antenna(&rdev->wiphy, -1, tx_ant, rx_ant); trace_rdev_return_int(&rdev->wiphy, ret); return ret; } static inline int rdev_get_antenna(struct cfg80211_registered_device *rdev, - u32 *tx_ant, u32 *rx_ant) + int radio_idx, u32 *tx_ant, u32 *rx_ant) { int ret; - trace_rdev_get_antenna(&rdev->wiphy); - ret = rdev->ops->get_antenna(&rdev->wiphy, tx_ant, rx_ant); + trace_rdev_get_antenna(&rdev->wiphy, radio_idx); + ret = rdev->ops->get_antenna(&rdev->wiphy, radio_idx, tx_ant, rx_ant); if (ret) trace_rdev_return_int(&rdev->wiphy, ret); else @@ -1546,4 +1552,36 @@ rdev_get_radio_mask(struct cfg80211_registered_device *rdev, return rdev->ops->get_radio_mask(wiphy, dev); } + +static inline int +rdev_assoc_ml_reconf(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_ml_reconf_req *req) +{ + struct wiphy *wiphy = &rdev->wiphy; + int ret = -EOPNOTSUPP; + + trace_rdev_assoc_ml_reconf(wiphy, dev, req); + if (rdev->ops->assoc_ml_reconf) + ret = rdev->ops->assoc_ml_reconf(wiphy, dev, req); + trace_rdev_return_int(wiphy, ret); + + return ret; +} + +static inline int +rdev_set_epcs(struct cfg80211_registered_device *rdev, + struct net_device *dev, bool val) +{ + struct wiphy *wiphy = &rdev->wiphy; + int ret = -EOPNOTSUPP; + + trace_rdev_set_epcs(wiphy, dev, val); + if (rdev->ops->set_epcs) + ret = rdev->ops->set_epcs(wiphy, dev, val); + trace_rdev_return_int(wiphy, ret); + + return ret; +} + #endif /* __CFG80211_RDEV_OPS */ diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 1df65a5a44f7..3b0ac3437f81 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -5,7 +5,7 @@ * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2017 Intel Deutschland GmbH - * Copyright (C) 2018 - 2024 Intel Corporation + * Copyright (C) 2018 - 2025 Intel Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -53,7 +53,7 @@ #include <linux/list.h> #include <linux/ctype.h> #include <linux/nl80211.h> -#include <linux/platform_device.h> +#include <linux/device/faux.h> #include <linux/verification.h> #include <linux/moduleparam.h> #include <linux/firmware.h> @@ -105,7 +105,7 @@ static struct regulatory_request __rcu *last_request = (void __force __rcu *)&core_request_world; /* To trigger userspace events and load firmware */ -static struct platform_device *reg_pdev; +static struct faux_device *reg_fdev; /* * Central wireless core regulatory domains, we only need two, @@ -407,7 +407,8 @@ static bool is_an_alpha2(const char *alpha2) { if (!alpha2) return false; - return isalpha(alpha2[0]) && isalpha(alpha2[1]); + return isascii(alpha2[0]) && isalpha(alpha2[0]) && + isascii(alpha2[1]) && isalpha(alpha2[1]); } static bool alpha2_equal(const char *alpha2_x, const char *alpha2_y) @@ -582,7 +583,7 @@ static int call_crda(const char *alpha2) else pr_debug("Calling CRDA to update world regulatory domain\n"); - ret = kobject_uevent_env(®_pdev->dev.kobj, KOBJ_CHANGE, env); + ret = kobject_uevent_env(®_fdev->dev.kobj, KOBJ_CHANGE, env); if (ret) return ret; @@ -778,7 +779,7 @@ static bool regdb_has_valid_signature(const u8 *data, unsigned int size) const struct firmware *sig; bool result; - if (request_firmware(&sig, "regulatory.db.p7s", ®_pdev->dev)) + if (request_firmware(&sig, "regulatory.db.p7s", ®_fdev->dev)) return false; result = verify_pkcs7_signature(data, size, sig->data, sig->size, @@ -1060,7 +1061,7 @@ static int query_regdb_file(const char *alpha2) return -ENOMEM; err = request_firmware_nowait(THIS_MODULE, true, "regulatory.db", - ®_pdev->dev, GFP_KERNEL, + ®_fdev->dev, GFP_KERNEL, (void *)alpha2, regdb_fw_cb); if (err) kfree(alpha2); @@ -1076,7 +1077,7 @@ int reg_reload_regdb(void) const struct ieee80211_regdomain *current_regdomain; struct regulatory_request *request; - err = request_firmware(&fw, "regulatory.db", ®_pdev->dev); + err = request_firmware(&fw, "regulatory.db", ®_fdev->dev); if (err) return err; @@ -1602,6 +1603,8 @@ static u32 map_regdom_flags(u32 rd_flags) channel_flags |= IEEE80211_CHAN_PSD; if (rd_flags & NL80211_RRF_ALLOW_6GHZ_VLP_AP) channel_flags |= IEEE80211_CHAN_ALLOW_6GHZ_VLP_AP; + if (rd_flags & NL80211_RRF_ALLOW_20MHZ_ACTIVITY) + channel_flags |= IEEE80211_CHAN_ALLOW_20MHZ_ACTIVITY; return channel_flags; } @@ -2465,11 +2468,11 @@ static void reg_leave_invalid_chans(struct wiphy *wiphy) struct wireless_dev *wdev; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); - wiphy_lock(wiphy); + guard(wiphy)(wiphy); + list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) if (!reg_wdev_chan_valid(wiphy, wdev)) cfg80211_leave(rdev, wdev); - wiphy_unlock(wiphy); } static void reg_check_chans_work(struct work_struct *work) @@ -2649,13 +2652,11 @@ void wiphy_apply_custom_regulatory(struct wiphy *wiphy, return; rtnl_lock(); - wiphy_lock(wiphy); - - tmp = get_wiphy_regdom(wiphy); - rcu_assign_pointer(wiphy->regd, new_regd); - rcu_free_regdom(tmp); - - wiphy_unlock(wiphy); + scoped_guard(wiphy, wiphy) { + tmp = get_wiphy_regdom(wiphy); + rcu_assign_pointer(wiphy->regd, new_regd); + rcu_free_regdom(tmp); + } rtnl_unlock(); } EXPORT_SYMBOL(wiphy_apply_custom_regulatory); @@ -2825,9 +2826,9 @@ reg_process_hint_driver(struct wiphy *wiphy, tmp = get_wiphy_regdom(wiphy); ASSERT_RTNL(); - wiphy_lock(wiphy); - rcu_assign_pointer(wiphy->regd, regd); - wiphy_unlock(wiphy); + scoped_guard(wiphy, wiphy) { + rcu_assign_pointer(wiphy->regd, regd); + } rcu_free_regdom(tmp); } @@ -3205,9 +3206,9 @@ static void reg_process_self_managed_hints(void) ASSERT_RTNL(); for_each_rdev(rdev) { - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + reg_process_self_managed_hint(&rdev->wiphy); - wiphy_unlock(&rdev->wiphy); } reg_check_channels(); @@ -3600,14 +3601,12 @@ static bool is_wiphy_all_set_reg_flag(enum ieee80211_regulatory_flags flag) struct wireless_dev *wdev; for_each_rdev(rdev) { - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { - if (!(wdev->wiphy->regulatory_flags & flag)) { - wiphy_unlock(&rdev->wiphy); + if (!(wdev->wiphy->regulatory_flags & flag)) return false; - } } - wiphy_unlock(&rdev->wiphy); } return true; @@ -3883,19 +3882,18 @@ static int reg_set_rd_driver(const struct ieee80211_regdomain *rd, if (!driver_request->intersect) { ASSERT_RTNL(); - wiphy_lock(request_wiphy); - if (request_wiphy->regd) - tmp = get_wiphy_regdom(request_wiphy); - - regd = reg_copy_regd(rd); - if (IS_ERR(regd)) { - wiphy_unlock(request_wiphy); - return PTR_ERR(regd); + scoped_guard(wiphy, request_wiphy) { + if (request_wiphy->regd) + tmp = get_wiphy_regdom(request_wiphy); + + regd = reg_copy_regd(rd); + if (IS_ERR(regd)) + return PTR_ERR(regd); + + rcu_assign_pointer(request_wiphy->regd, regd); + rcu_free_regdom(tmp); } - rcu_assign_pointer(request_wiphy->regd, regd); - rcu_free_regdom(tmp); - wiphy_unlock(request_wiphy); reset_regdomains(false, rd); return 0; } @@ -4231,6 +4229,8 @@ static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev) struct wireless_dev *wdev; unsigned int link_id; + guard(wiphy)(&rdev->wiphy); + /* If we finished CAC or received radar, we should end any * CAC running on the same channels. * the check !cfg80211_chandef_dfs_usable contain 2 options: @@ -4302,12 +4302,12 @@ static int __init regulatory_init_db(void) * in that case, don't try to do any further work here as * it's doomed to lead to crashes. */ - if (IS_ERR_OR_NULL(reg_pdev)) + if (!reg_fdev) return -EINVAL; err = load_builtin_regdb_keys(); if (err) { - platform_device_unregister(reg_pdev); + faux_device_destroy(reg_fdev); return err; } @@ -4315,7 +4315,7 @@ static int __init regulatory_init_db(void) err = regulatory_hint_core(cfg80211_world_regdom->alpha2); if (err) { if (err == -ENOMEM) { - platform_device_unregister(reg_pdev); + faux_device_destroy(reg_fdev); return err; } /* @@ -4344,9 +4344,9 @@ late_initcall(regulatory_init_db); int __init regulatory_init(void) { - reg_pdev = platform_device_register_simple("regulatory", 0, NULL, 0); - if (IS_ERR(reg_pdev)) - return PTR_ERR(reg_pdev); + reg_fdev = faux_device_create("regulatory", NULL, NULL); + if (!reg_fdev) + return -ENODEV; rcu_assign_pointer(cfg80211_regdomain, cfg80211_world_regdom); @@ -4374,9 +4374,9 @@ void regulatory_exit(void) reset_regdomains(true, NULL); rtnl_unlock(); - dev_set_uevent_suppress(®_pdev->dev, true); + dev_set_uevent_suppress(®_fdev->dev, true); - platform_device_unregister(reg_pdev); + faux_device_destroy(reg_fdev); list_for_each_entry_safe(reg_beacon, btmp, ®_pending_beacons, list) { list_del(®_beacon->list); diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 1c6fd45aa809..a8339ed52404 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -5,7 +5,7 @@ * Copyright 2008 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2016 Intel Deutschland GmbH - * Copyright (C) 2018-2024 Intel Corporation + * Copyright (C) 2018-2025 Intel Corporation */ #include <linux/kernel.h> #include <linux/slab.h> @@ -272,12 +272,19 @@ cfg80211_gen_new_ie(const u8 *ie, size_t ielen, { const struct element *non_inherit_elem, *parent, *sub; u8 *pos = new_ie; - u8 id, ext_id; + const u8 *mbssid_index_ie; + u8 id, ext_id, bssid_index = 255; unsigned int match_len; non_inherit_elem = cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE, subie, subie_len); + mbssid_index_ie = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX, subie, + subie_len); + if (mbssid_index_ie && mbssid_index_ie[1] > 0 && + mbssid_index_ie[2] > 0 && mbssid_index_ie[2] <= 46) + bssid_index = mbssid_index_ie[2]; + /* We copy the elements one by one from the parent to the generated * elements. * If they are not inherited (included in subie or in the non @@ -316,6 +323,24 @@ cfg80211_gen_new_ie(const u8 *ie, size_t ielen, continue; } + /* For ML probe response, match the MLE in the frame body with + * MLD id being 'bssid_index' + */ + if (parent->id == WLAN_EID_EXTENSION && parent->datalen > 1 && + parent->data[0] == WLAN_EID_EXT_EHT_MULTI_LINK && + bssid_index == ieee80211_mle_get_mld_id(parent->data + 1)) { + if (!cfg80211_copy_elem_with_frags(parent, + ie, ielen, + &pos, new_ie, + new_ie_len)) + return 0; + + /* Continue here to prevent processing the MLE in + * sub-element, which AP MLD should not carry + */ + continue; + } + /* Already copied if an earlier element had the same type */ if (cfg80211_find_elem_match(id, ie, (u8 *)parent - ie, &ext_id, match_len, 0)) @@ -704,7 +729,7 @@ cfg80211_parse_colocated_ap_iter(void *_data, u8 type, bss_params))) return RNR_ITER_CONTINUE; - entry = kzalloc(sizeof(*entry) + IEEE80211_MAX_SSID_LEN, GFP_ATOMIC); + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) return RNR_ITER_ERROR; @@ -713,6 +738,17 @@ cfg80211_parse_colocated_ap_iter(void *_data, u8 type, if (!cfg80211_parse_ap_info(entry, tbtt_info, tbtt_info_len, data->ssid_elem, data->s_ssid_tmp)) { + struct cfg80211_colocated_ap *tmp; + + /* Don't add duplicate BSSIDs on the same channel. */ + list_for_each_entry(tmp, &data->ap_list, list) { + if (ether_addr_equal(tmp->bssid, entry->bssid) && + tmp->center_freq == entry->center_freq) { + kfree(entry); + return RNR_ITER_CONTINUE; + } + } + data->n_coloc++; list_add_tail(&entry->list, &data->ap_list); } else { @@ -746,9 +782,9 @@ cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies, } EXPORT_SYMBOL_IF_CFG80211_KUNIT(cfg80211_parse_colocated_ap); -static void cfg80211_scan_req_add_chan(struct cfg80211_scan_request *request, - struct ieee80211_channel *chan, - bool add_to_6ghz) +static void cfg80211_scan_req_add_chan(struct cfg80211_scan_request *request, + struct ieee80211_channel *chan, + bool add_to_6ghz) { int i; u32 n_channels = request->n_channels; @@ -763,12 +799,11 @@ static void cfg80211_scan_req_add_chan(struct cfg80211_scan_request *request, } } + request->n_channels++; request->channels[n_channels] = chan; if (add_to_6ghz) request->scan_6ghz_params[request->n_6ghz_params].channel_idx = n_channels; - - request->n_channels++; } static bool cfg80211_find_ssid_match(struct cfg80211_colocated_ap *ap, @@ -803,30 +838,32 @@ static bool cfg80211_find_ssid_match(struct cfg80211_colocated_ap *ap, return false; } -static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev) +static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev, + bool first_part) { u8 i; struct cfg80211_colocated_ap *ap; int n_channels, count = 0, err; - struct cfg80211_scan_request *request, *rdev_req = rdev->scan_req; + struct cfg80211_scan_request_int *request, *rdev_req = rdev->scan_req; LIST_HEAD(coloc_ap_list); bool need_scan_psc = true; const struct ieee80211_sband_iftype_data *iftd; size_t size, offs_ssids, offs_6ghz_params, offs_ies; - rdev_req->scan_6ghz = true; + rdev_req->req.scan_6ghz = true; + rdev_req->req.first_part = first_part; if (!rdev->wiphy.bands[NL80211_BAND_6GHZ]) return -EOPNOTSUPP; iftd = ieee80211_get_sband_iftype_data(rdev->wiphy.bands[NL80211_BAND_6GHZ], - rdev_req->wdev->iftype); + rdev_req->req.wdev->iftype); if (!iftd || !iftd->he_cap.has_he) return -EOPNOTSUPP; n_channels = rdev->wiphy.bands[NL80211_BAND_6GHZ]->n_channels; - if (rdev_req->flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ) { + if (rdev_req->req.flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ) { struct cfg80211_internal_bss *intbss; spin_lock_bh(&rdev->bss_lock); @@ -848,8 +885,8 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev) * This is relevant for ML probe requests when the lower * band APs have not been discovered. */ - if (is_broadcast_ether_addr(rdev_req->bssid) || - !ether_addr_equal(rdev_req->bssid, res->bssid) || + if (is_broadcast_ether_addr(rdev_req->req.bssid) || + !ether_addr_equal(rdev_req->req.bssid, res->bssid) || res->channel->band != NL80211_BAND_6GHZ) continue; @@ -858,9 +895,7 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev) if (ret) continue; - entry = kzalloc(sizeof(*entry) + IEEE80211_MAX_SSID_LEN, - GFP_ATOMIC); - + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) continue; @@ -878,13 +913,13 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev) spin_unlock_bh(&rdev->bss_lock); } - size = struct_size(request, channels, n_channels); + size = struct_size(request, req.channels, n_channels); offs_ssids = size; - size += sizeof(*request->ssids) * rdev_req->n_ssids; + size += sizeof(*request->req.ssids) * rdev_req->req.n_ssids; offs_6ghz_params = size; - size += sizeof(*request->scan_6ghz_params) * count; + size += sizeof(*request->req.scan_6ghz_params) * count; offs_ies = size; - size += rdev_req->ie_len; + size += rdev_req->req.ie_len; request = kzalloc(size, GFP_KERNEL); if (!request) { @@ -893,26 +928,26 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev) } *request = *rdev_req; - request->n_channels = 0; - request->n_6ghz_params = 0; - if (rdev_req->n_ssids) { + request->req.n_channels = 0; + request->req.n_6ghz_params = 0; + if (rdev_req->req.n_ssids) { /* * Add the ssids from the parent scan request to the new * scan request, so the driver would be able to use them * in its probe requests to discover hidden APs on PSC * channels. */ - request->ssids = (void *)request + offs_ssids; - memcpy(request->ssids, rdev_req->ssids, - sizeof(*request->ssids) * request->n_ssids); + request->req.ssids = (void *)request + offs_ssids; + memcpy(request->req.ssids, rdev_req->req.ssids, + sizeof(*request->req.ssids) * request->req.n_ssids); } - request->scan_6ghz_params = (void *)request + offs_6ghz_params; + request->req.scan_6ghz_params = (void *)request + offs_6ghz_params; - if (rdev_req->ie_len) { + if (rdev_req->req.ie_len) { void *ie = (void *)request + offs_ies; - memcpy(ie, rdev_req->ie, rdev_req->ie_len); - request->ie = ie; + memcpy(ie, rdev_req->req.ie, rdev_req->req.ie_len); + request->req.ie = ie; } /* @@ -920,10 +955,12 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev) * and at least one of the reported co-located APs with same SSID * indicating that all APs in the same ESS are co-located */ - if (count && request->n_ssids == 1 && request->ssids[0].ssid_len) { + if (count && + request->req.n_ssids == 1 && + request->req.ssids[0].ssid_len) { list_for_each_entry(ap, &coloc_ap_list, list) { if (ap->colocated_ess && - cfg80211_find_ssid_match(ap, request)) { + cfg80211_find_ssid_match(ap, &request->req)) { need_scan_psc = false; break; } @@ -935,51 +972,52 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev) * regardless of the collocated APs (PSC channels or all channels * in case that NL80211_SCAN_FLAG_COLOCATED_6GHZ is not set) */ - for (i = 0; i < rdev_req->n_channels; i++) { - if (rdev_req->channels[i]->band == NL80211_BAND_6GHZ && + for (i = 0; i < rdev_req->req.n_channels; i++) { + if (rdev_req->req.channels[i]->band == NL80211_BAND_6GHZ && ((need_scan_psc && - cfg80211_channel_is_psc(rdev_req->channels[i])) || - !(rdev_req->flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ))) { - cfg80211_scan_req_add_chan(request, - rdev_req->channels[i], + cfg80211_channel_is_psc(rdev_req->req.channels[i])) || + !(rdev_req->req.flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ))) { + cfg80211_scan_req_add_chan(&request->req, + rdev_req->req.channels[i], false); } } - if (!(rdev_req->flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ)) + if (!(rdev_req->req.flags & NL80211_SCAN_FLAG_COLOCATED_6GHZ)) goto skip; list_for_each_entry(ap, &coloc_ap_list, list) { bool found = false; struct cfg80211_scan_6ghz_params *scan_6ghz_params = - &request->scan_6ghz_params[request->n_6ghz_params]; + &request->req.scan_6ghz_params[request->req.n_6ghz_params]; struct ieee80211_channel *chan = ieee80211_get_channel(&rdev->wiphy, ap->center_freq); if (!chan || chan->flags & IEEE80211_CHAN_DISABLED || - !cfg80211_wdev_channel_allowed(rdev_req->wdev, chan)) + !cfg80211_wdev_channel_allowed(rdev_req->req.wdev, chan)) continue; - for (i = 0; i < rdev_req->n_channels; i++) { - if (rdev_req->channels[i] == chan) + for (i = 0; i < rdev_req->req.n_channels; i++) { + if (rdev_req->req.channels[i] == chan) found = true; } if (!found) continue; - if (request->n_ssids > 0 && - !cfg80211_find_ssid_match(ap, request)) + if (request->req.n_ssids > 0 && + !cfg80211_find_ssid_match(ap, &request->req)) continue; - if (!is_broadcast_ether_addr(request->bssid) && - !ether_addr_equal(request->bssid, ap->bssid)) + if (!is_broadcast_ether_addr(request->req.bssid) && + !ether_addr_equal(request->req.bssid, ap->bssid)) continue; - if (!request->n_ssids && ap->multi_bss && !ap->transmitted_bssid) + if (!request->req.n_ssids && ap->multi_bss && + !ap->transmitted_bssid) continue; - cfg80211_scan_req_add_chan(request, chan, true); + cfg80211_scan_req_add_chan(&request->req, chan, true); memcpy(scan_6ghz_params->bssid, ap->bssid, ETH_ALEN); scan_6ghz_params->short_ssid = ap->short_ssid; scan_6ghz_params->short_ssid_valid = ap->short_ssid_valid; @@ -995,14 +1033,14 @@ static int cfg80211_scan_6ghz(struct cfg80211_registered_device *rdev) if (cfg80211_channel_is_psc(chan) && !need_scan_psc) scan_6ghz_params->psc_no_listen = true; - request->n_6ghz_params++; + request->req.n_6ghz_params++; } skip: cfg80211_free_coloc_ap_list(&coloc_ap_list); - if (request->n_channels) { - struct cfg80211_scan_request *old = rdev->int_scan_req; + if (request->req.n_channels) { + struct cfg80211_scan_request_int *old = rdev->int_scan_req; rdev->int_scan_req = request; @@ -1010,7 +1048,7 @@ skip: * If this scan follows a previous scan, save the scan start * info from the first part of the scan */ - if (old) + if (!first_part && !WARN_ON(!old)) rdev->int_scan_req->info = old->info; err = rdev_scan(rdev, request); @@ -1030,35 +1068,39 @@ skip: int cfg80211_scan(struct cfg80211_registered_device *rdev) { - struct cfg80211_scan_request *request; - struct cfg80211_scan_request *rdev_req = rdev->scan_req; + struct cfg80211_scan_request_int *request; + struct cfg80211_scan_request_int *rdev_req = rdev->scan_req; u32 n_channels = 0, idx, i; - if (!(rdev->wiphy.flags & WIPHY_FLAG_SPLIT_SCAN_6GHZ)) + if (!(rdev->wiphy.flags & WIPHY_FLAG_SPLIT_SCAN_6GHZ)) { + rdev_req->req.first_part = true; return rdev_scan(rdev, rdev_req); + } - for (i = 0; i < rdev_req->n_channels; i++) { - if (rdev_req->channels[i]->band != NL80211_BAND_6GHZ) + for (i = 0; i < rdev_req->req.n_channels; i++) { + if (rdev_req->req.channels[i]->band != NL80211_BAND_6GHZ) n_channels++; } if (!n_channels) - return cfg80211_scan_6ghz(rdev); + return cfg80211_scan_6ghz(rdev, true); - request = kzalloc(struct_size(request, channels, n_channels), + request = kzalloc(struct_size(request, req.channels, n_channels), GFP_KERNEL); if (!request) return -ENOMEM; *request = *rdev_req; - request->n_channels = n_channels; + request->req.n_channels = n_channels; - for (i = idx = 0; i < rdev_req->n_channels; i++) { - if (rdev_req->channels[i]->band != NL80211_BAND_6GHZ) - request->channels[idx++] = rdev_req->channels[i]; + for (i = idx = 0; i < rdev_req->req.n_channels; i++) { + if (rdev_req->req.channels[i]->band != NL80211_BAND_6GHZ) + request->req.channels[idx++] = + rdev_req->req.channels[i]; } - rdev_req->scan_6ghz = false; + rdev_req->req.scan_6ghz = false; + rdev_req->req.first_part = true; rdev->int_scan_req = request; return rdev_scan(rdev, request); } @@ -1066,7 +1108,7 @@ int cfg80211_scan(struct cfg80211_registered_device *rdev) void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool send_message) { - struct cfg80211_scan_request *request, *rdev_req; + struct cfg80211_scan_request_int *request, *rdev_req; struct wireless_dev *wdev; struct sk_buff *msg; #ifdef CONFIG_CFG80211_WEXT @@ -1085,13 +1127,13 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, if (!rdev_req) return; - wdev = rdev_req->wdev; + wdev = rdev_req->req.wdev; request = rdev->int_scan_req ? rdev->int_scan_req : rdev_req; if (wdev_running(wdev) && (rdev->wiphy.flags & WIPHY_FLAG_SPLIT_SCAN_6GHZ) && - !rdev_req->scan_6ghz && !request->info.aborted && - !cfg80211_scan_6ghz(rdev)) + !rdev_req->req.scan_6ghz && !request->info.aborted && + !cfg80211_scan_6ghz(rdev, false)) return; /* @@ -1103,10 +1145,10 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, cfg80211_sme_scan_done(wdev->netdev); if (!request->info.aborted && - request->flags & NL80211_SCAN_FLAG_FLUSH) { + request->req.flags & NL80211_SCAN_FLAG_FLUSH) { /* flush entries from previous scans */ spin_lock_bh(&rdev->bss_lock); - __cfg80211_bss_expire(rdev, request->scan_start); + __cfg80211_bss_expire(rdev, request->req.scan_start); spin_unlock_bh(&rdev->bss_lock); } @@ -1142,13 +1184,16 @@ void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk) void cfg80211_scan_done(struct cfg80211_scan_request *request, struct cfg80211_scan_info *info) { - struct cfg80211_scan_info old_info = request->info; + struct cfg80211_scan_request_int *intreq = + container_of(request, struct cfg80211_scan_request_int, req); + struct cfg80211_registered_device *rdev = wiphy_to_rdev(request->wiphy); + struct cfg80211_scan_info old_info = intreq->info; - trace_cfg80211_scan_done(request, info); - WARN_ON(request != wiphy_to_rdev(request->wiphy)->scan_req && - request != wiphy_to_rdev(request->wiphy)->int_scan_req); + trace_cfg80211_scan_done(intreq, info); + WARN_ON(intreq != rdev->scan_req && + intreq != rdev->int_scan_req); - request->info = *info; + intreq->info = *info; /* * In case the scan is split, the scan_start_tsf and tsf_bssid should @@ -1156,14 +1201,13 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, * be non zero. */ if (request->scan_6ghz && old_info.scan_start_tsf) { - request->info.scan_start_tsf = old_info.scan_start_tsf; - memcpy(request->info.tsf_bssid, old_info.tsf_bssid, - sizeof(request->info.tsf_bssid)); + intreq->info.scan_start_tsf = old_info.scan_start_tsf; + memcpy(intreq->info.tsf_bssid, old_info.tsf_bssid, + sizeof(intreq->info.tsf_bssid)); } - request->notified = true; - wiphy_work_queue(request->wiphy, - &wiphy_to_rdev(request->wiphy)->scan_done_wk); + intreq->notified = true; + wiphy_work_queue(request->wiphy, &rdev->scan_done_wk); } EXPORT_SYMBOL(cfg80211_scan_done); @@ -1238,7 +1282,8 @@ void cfg80211_sched_scan_results_wk(struct work_struct *work) rdev = container_of(work, struct cfg80211_registered_device, sched_scan_res_wk); - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + list_for_each_entry_safe(req, tmp, &rdev->sched_scan_req_list, list) { if (req->report_results) { req->report_results = false; @@ -1253,7 +1298,6 @@ void cfg80211_sched_scan_results_wk(struct work_struct *work) NL80211_CMD_SCHED_SCAN_RESULTS); } } - wiphy_unlock(&rdev->wiphy); } void cfg80211_sched_scan_results(struct wiphy *wiphy, u64 reqid) @@ -1288,9 +1332,9 @@ EXPORT_SYMBOL(cfg80211_sched_scan_stopped_locked); void cfg80211_sched_scan_stopped(struct wiphy *wiphy, u64 reqid) { - wiphy_lock(wiphy); + guard(wiphy)(wiphy); + cfg80211_sched_scan_stopped_locked(wiphy, reqid); - wiphy_unlock(wiphy); } EXPORT_SYMBOL(cfg80211_sched_scan_stopped); @@ -1332,7 +1376,7 @@ 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); + unsigned long age_jiffies = secs_to_jiffies(age_secs); spin_lock_bh(&rdev->bss_lock); list_for_each_entry(bss, &rdev->bss_list, list) @@ -1901,7 +1945,7 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev, known->pub.signal = new->pub.signal; known->pub.capability = new->pub.capability; known->ts = new->ts; - known->ts_boottime = new->ts_boottime; + known->pub.ts_boottime = new->pub.ts_boottime; known->parent_tsf = new->parent_tsf; known->pub.chains = new->pub.chains; memcpy(known->pub.chain_signal, new->pub.chain_signal, @@ -2187,6 +2231,7 @@ cfg80211_get_6ghz_power_type(const u8 *elems, size_t elems_len) return IEEE80211_REG_LPI_AP; case IEEE80211_6GHZ_CTRL_REG_SP_AP: case IEEE80211_6GHZ_CTRL_REG_INDOOR_SP_AP: + case IEEE80211_6GHZ_CTRL_REG_INDOOR_SP_AP_OLD: return IEEE80211_REG_SP_AP; case IEEE80211_6GHZ_CTRL_REG_VLP_AP: return IEEE80211_REG_VLP_AP; @@ -2258,7 +2303,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy, tmp.pub.signal = 0; tmp.pub.beacon_interval = data->beacon_interval; tmp.pub.capability = data->capability; - tmp.ts_boottime = drv_data->boottime_ns; + tmp.pub.ts_boottime = drv_data->boottime_ns; tmp.parent_tsf = drv_data->parent_tsf; ether_addr_copy(tmp.parent_bssid, drv_data->parent_bssid); tmp.pub.chains = drv_data->chains; @@ -2648,7 +2693,7 @@ cfg80211_defrag_mle(const struct element *mle, const u8 *ie, size_t ielen, /* Required length for first defragmentation */ buf_len = mle->datalen - 1; for_each_element(elem, mle->data + mle->datalen, - ielen - sizeof(*mle) + mle->datalen) { + ie + ielen - mle->data - mle->datalen) { if (elem->id != WLAN_EID_FRAGMENT) break; @@ -3217,6 +3262,7 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy, const u8 *ie; size_t ielen; u64 tsf; + size_t s1g_optional_len; if (WARN_ON(!mgmt)) return NULL; @@ -3231,12 +3277,11 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy, if (ieee80211_is_s1g_beacon(mgmt->frame_control)) { ext = (void *) mgmt; - if (ieee80211_is_s1g_short_beacon(mgmt->frame_control)) - min_hdr_len = offsetof(struct ieee80211_ext, - u.s1g_short_beacon.variable); - else - min_hdr_len = offsetof(struct ieee80211_ext, - u.s1g_beacon.variable); + s1g_optional_len = + ieee80211_s1g_optional_len(ext->frame_control); + min_hdr_len = + offsetof(struct ieee80211_ext, u.s1g_beacon.variable) + + s1g_optional_len; } else { /* same for beacons */ min_hdr_len = offsetof(struct ieee80211_mgmt, @@ -3252,11 +3297,7 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy, const struct ieee80211_s1g_bcn_compat_ie *compat; const struct element *elem; - if (ieee80211_is_s1g_short_beacon(mgmt->frame_control)) - ie = ext->u.s1g_short_beacon.variable; - else - ie = ext->u.s1g_beacon.variable; - + ie = ext->u.s1g_beacon.variable + s1g_optional_len; elem = cfg80211_find_elem(WLAN_EID_S1G_BCN_COMPAT, ie, ielen); if (!elem) return NULL; @@ -3467,7 +3508,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, struct cfg80211_registered_device *rdev; struct wiphy *wiphy; struct iw_scan_req *wreq = NULL; - struct cfg80211_scan_request *creq; + struct cfg80211_scan_request_int *creq; int i, err, n_channels = 0; enum nl80211_band band; @@ -3497,19 +3538,20 @@ int cfg80211_wext_siwscan(struct net_device *dev, n_channels = ieee80211_get_num_supported_channels(wiphy); } - creq = kzalloc(struct_size(creq, channels, n_channels) + + creq = kzalloc(struct_size(creq, req.channels, n_channels) + sizeof(struct cfg80211_ssid), GFP_ATOMIC); if (!creq) return -ENOMEM; - creq->wiphy = wiphy; - creq->wdev = dev->ieee80211_ptr; + creq->req.wiphy = wiphy; + creq->req.wdev = dev->ieee80211_ptr; /* SSIDs come after channels */ - creq->ssids = (void *)creq + struct_size(creq, channels, n_channels); - creq->n_channels = n_channels; - creq->n_ssids = 1; - creq->scan_start = jiffies; + creq->req.ssids = (void *)creq + + struct_size(creq, req.channels, n_channels); + creq->req.n_channels = n_channels; + creq->req.n_ssids = 1; + creq->req.scan_start = jiffies; /* translate "Scan on frequencies" request */ i = 0; @@ -3525,7 +3567,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, /* ignore disabled channels */ chan = &wiphy->bands[band]->channels[j]; if (chan->flags & IEEE80211_CHAN_DISABLED || - !cfg80211_wdev_channel_allowed(creq->wdev, chan)) + !cfg80211_wdev_channel_allowed(creq->req.wdev, chan)) continue; /* If we have a wireless request structure and the @@ -3548,7 +3590,8 @@ int cfg80211_wext_siwscan(struct net_device *dev, } wext_freq_found: - creq->channels[i] = &wiphy->bands[band]->channels[j]; + creq->req.channels[i] = + &wiphy->bands[band]->channels[j]; i++; wext_freq_not_found: ; } @@ -3559,45 +3602,45 @@ int cfg80211_wext_siwscan(struct net_device *dev, goto out; } - /* Set real number of channels specified in creq->channels[] */ - creq->n_channels = i; + /* Set real number of channels specified in creq->req.channels[] */ + creq->req.n_channels = i; /* translate "Scan for SSID" request */ if (wreq) { if (wrqu->data.flags & IW_SCAN_THIS_ESSID) { - if (wreq->essid_len > IEEE80211_MAX_SSID_LEN) { - err = -EINVAL; - goto out; - } - memcpy(creq->ssids[0].ssid, wreq->essid, wreq->essid_len); - creq->ssids[0].ssid_len = wreq->essid_len; + if (wreq->essid_len > IEEE80211_MAX_SSID_LEN) + return -EINVAL; + memcpy(creq->req.ssids[0].ssid, wreq->essid, + wreq->essid_len); + creq->req.ssids[0].ssid_len = wreq->essid_len; } if (wreq->scan_type == IW_SCAN_TYPE_PASSIVE) { - creq->ssids = NULL; - creq->n_ssids = 0; + creq->req.ssids = NULL; + creq->req.n_ssids = 0; } } for (i = 0; i < NUM_NL80211_BANDS; i++) if (wiphy->bands[i]) - creq->rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; + creq->req.rates[i] = + (1 << wiphy->bands[i]->n_bitrates) - 1; - eth_broadcast_addr(creq->bssid); + eth_broadcast_addr(creq->req.bssid); - wiphy_lock(&rdev->wiphy); - - rdev->scan_req = creq; - err = rdev_scan(rdev, creq); - if (err) { - rdev->scan_req = NULL; - /* creq will be freed below */ - } else { - nl80211_send_scan_start(rdev, dev->ieee80211_ptr); - /* creq now owned by driver */ - creq = NULL; - dev_hold(dev); + scoped_guard(wiphy, &rdev->wiphy) { + rdev->scan_req = creq; + err = rdev_scan(rdev, creq); + if (err) { + rdev->scan_req = NULL; + /* creq will be freed below */ + } else { + nl80211_send_scan_start(rdev, dev->ieee80211_ptr); + /* creq now owned by driver */ + creq = NULL; + dev_hold(dev); + } } - wiphy_unlock(&rdev->wiphy); + out: kfree(creq); return err; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 431da30817a6..826ec0a6355f 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -5,7 +5,7 @@ * (for nl80211's connect() and wext) * * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> - * Copyright (C) 2009, 2020, 2022-2024 Intel Corporation. All rights reserved. + * Copyright (C) 2009, 2020, 2022-2025 Intel Corporation. All rights reserved. * Copyright 2017 Intel Deutschland GmbH */ @@ -64,7 +64,7 @@ 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_rdev(wdev->wiphy); - struct cfg80211_scan_request *request; + struct cfg80211_scan_request_int *request; int n_channels, err; lockdep_assert_wiphy(wdev->wiphy); @@ -77,8 +77,8 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) else n_channels = ieee80211_get_num_supported_channels(wdev->wiphy); - request = kzalloc(sizeof(*request) + sizeof(request->ssids[0]) + - sizeof(request->channels[0]) * n_channels, + request = kzalloc(sizeof(*request) + sizeof(request->req.ssids[0]) + + sizeof(request->req.channels[0]) * n_channels, GFP_KERNEL); if (!request) return -ENOMEM; @@ -92,8 +92,8 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) kfree(request); return -EINVAL; } - request->channels[0] = wdev->conn->params.channel; - request->rates[band] = (1 << sband->n_bitrates) - 1; + request->req.channels[0] = wdev->conn->params.channel; + request->req.rates[band] = (1 << sband->n_bitrates) - 1; } else { int i = 0, j; enum nl80211_band band; @@ -108,26 +108,26 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) channel = &bands->channels[j]; if (channel->flags & IEEE80211_CHAN_DISABLED) continue; - request->channels[i++] = channel; + request->req.channels[i++] = channel; } - request->rates[band] = (1 << bands->n_bitrates) - 1; + request->req.rates[band] = (1 << bands->n_bitrates) - 1; } n_channels = i; } - request->n_channels = n_channels; - request->ssids = (void *)request + - struct_size(request, channels, n_channels); - request->n_ssids = 1; + request->req.n_channels = n_channels; + request->req.ssids = (void *)request + + struct_size(request, req.channels, n_channels); + request->req.n_ssids = 1; - memcpy(request->ssids[0].ssid, wdev->conn->params.ssid, - wdev->conn->params.ssid_len); - request->ssids[0].ssid_len = wdev->conn->params.ssid_len; + memcpy(request->req.ssids[0].ssid, wdev->conn->params.ssid, + wdev->conn->params.ssid_len); + request->req.ssids[0].ssid_len = wdev->conn->params.ssid_len; - eth_broadcast_addr(request->bssid); + eth_broadcast_addr(request->req.bssid); - request->wdev = wdev; - request->wiphy = &rdev->wiphy; - request->scan_start = jiffies; + request->req.wdev = wdev; + request->req.wiphy = &rdev->wiphy; + request->req.scan_start = jiffies; rdev->scan_req = request; @@ -251,7 +251,7 @@ void cfg80211_conn_work(struct work_struct *work) u8 bssid_buf[ETH_ALEN], *bssid = NULL; enum nl80211_timeout_reason treason; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { if (!wdev->netdev) @@ -279,8 +279,6 @@ void cfg80211_conn_work(struct work_struct *work) __cfg80211_connect_result(wdev->netdev, &cr, false); } } - - wiphy_unlock(&rdev->wiphy); } static void cfg80211_step_auth_next(struct cfg80211_conn *conn, @@ -692,13 +690,13 @@ static bool cfg80211_is_all_idle(void) * as chan dfs state, etc. */ for_each_rdev(rdev) { - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { if (wdev->conn || wdev->connected || cfg80211_beaconing_iface_active(wdev)) is_all_idle = false; } - wiphy_unlock(&rdev->wiphy); } return is_all_idle; @@ -1582,7 +1580,7 @@ void cfg80211_autodisconnect_wk(struct work_struct *work) container_of(work, struct wireless_dev, disconnect_wk); struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); - wiphy_lock(wdev->wiphy); + guard(wiphy)(wdev->wiphy); if (wdev->conn_owner_nlportid) { switch (wdev->iftype) { @@ -1618,6 +1616,4 @@ void cfg80211_autodisconnect_wk(struct work_struct *work) break; } } - - wiphy_unlock(wdev->wiphy); } diff --git a/net/wireless/tests/chan.c b/net/wireless/tests/chan.c index 74bbee25085f..7b97b731993c 100644 --- a/net/wireless/tests/chan.c +++ b/net/wireless/tests/chan.c @@ -7,7 +7,7 @@ #include <net/cfg80211.h> #include <kunit/test.h> -MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING); +MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING"); static struct ieee80211_channel chan_6ghz_1 = { .band = NL80211_BAND_6GHZ, diff --git a/net/wireless/tests/scan.c b/net/wireless/tests/scan.c index 9f458be71659..b1a9c1466d6c 100644 --- a/net/wireless/tests/scan.c +++ b/net/wireless/tests/scan.c @@ -14,7 +14,7 @@ /* mac80211 helpers for element building */ #include "../../mac80211/ieee80211_i.h" -MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING); +MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING"); struct test_elem { u8 id; @@ -810,6 +810,8 @@ static void test_cfg80211_parse_colocated_ap(struct kunit *test) skb_put_data(input, "123", 3); ies = kunit_kzalloc(test, struct_size(ies, data, input->len), GFP_KERNEL); + KUNIT_ASSERT_NOT_NULL(test, ies); + ies->len = input->len; memcpy(ies->data, input->data, input->len); diff --git a/net/wireless/trace.h b/net/wireless/trace.h index d5c9bb614fa6..34c584a215e5 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -2,7 +2,7 @@ /* * Portions of this file * Copyright(c) 2016-2017 Intel Deutschland GmbH - * Copyright (C) 2018, 2020-2024 Intel Corporation + * Copyright (C) 2018, 2020-2025 Intel Corporation */ #undef TRACE_SYSTEM #define TRACE_SYSTEM cfg80211 @@ -373,7 +373,8 @@ TRACE_EVENT(rdev_return_int, ); TRACE_EVENT(rdev_scan, - TP_PROTO(struct wiphy *wiphy, struct cfg80211_scan_request *request), + TP_PROTO(struct wiphy *wiphy, + struct cfg80211_scan_request_int *request), TP_ARGS(wiphy, request), TP_STRUCT__entry( WIPHY_ENTRY @@ -406,9 +407,19 @@ DEFINE_EVENT(wiphy_only_evt, rdev_return_void, TP_ARGS(wiphy) ); -DEFINE_EVENT(wiphy_only_evt, rdev_get_antenna, - TP_PROTO(struct wiphy *wiphy), - TP_ARGS(wiphy) +TRACE_EVENT(rdev_get_antenna, + TP_PROTO(struct wiphy *wiphy, int radio_idx), + TP_ARGS(wiphy, radio_idx), + TP_STRUCT__entry( + WIPHY_ENTRY + __field(int, radio_idx) + ), + TP_fast_assign( + WIPHY_ASSIGN; + __entry->radio_idx = radio_idx; + ), + TP_printk(WIPHY_PR_FMT ", radio_idx: %d", + WIPHY_PR_ARG, __entry->radio_idx) ); DEFINE_EVENT(wiphy_only_evt, rdev_rfkill_poll, @@ -1378,6 +1389,7 @@ TRACE_EVENT(rdev_assoc, __dynamic_array(u8, fils_kek, req->fils_kek_len) __dynamic_array(u8, fils_nonces, req->fils_nonces ? 2 * FILS_NONCE_LEN : 0) + __field(u16, ext_mld_capa_ops) ), TP_fast_assign( WIPHY_ASSIGN; @@ -1404,6 +1416,7 @@ TRACE_EVENT(rdev_assoc, if (req->fils_nonces) memcpy(__get_dynamic_array(fils_nonces), req->fils_nonces, 2 * FILS_NONCE_LEN); + __entry->ext_mld_capa_ops = req->ext_mld_capa_ops; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: %pM" ", previous bssid: %pM, use mfp: %s, flags: 0x%x", @@ -1676,43 +1689,85 @@ TRACE_EVENT(rdev_join_ocb, ); TRACE_EVENT(rdev_set_wiphy_params, - TP_PROTO(struct wiphy *wiphy, u32 changed), - TP_ARGS(wiphy, changed), + TP_PROTO(struct wiphy *wiphy, int radio_idx, u32 changed), + TP_ARGS(wiphy, radio_idx, changed), TP_STRUCT__entry( WIPHY_ENTRY + __field(int, radio_idx) __field(u32, changed) ), TP_fast_assign( WIPHY_ASSIGN; + __entry->radio_idx = radio_idx; __entry->changed = changed; ), - TP_printk(WIPHY_PR_FMT ", changed: %u", - WIPHY_PR_ARG, __entry->changed) + TP_printk(WIPHY_PR_FMT ", radio_idx: %d, changed: %u", + WIPHY_PR_ARG, __entry->radio_idx, __entry->changed) ); -DEFINE_EVENT(wiphy_wdev_evt, rdev_get_tx_power, - TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), - TP_ARGS(wiphy, wdev) +DECLARE_EVENT_CLASS(wiphy_wdev_link_evt, + TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, + unsigned int link_id), + TP_ARGS(wiphy, wdev, link_id), + TP_STRUCT__entry( + WIPHY_ENTRY + WDEV_ENTRY + __field(unsigned int, link_id) + ), + TP_fast_assign( + WIPHY_ASSIGN; + WDEV_ASSIGN; + __entry->link_id = link_id; + ), + TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", link_id: %u", + WIPHY_PR_ARG, WDEV_PR_ARG, __entry->link_id) +); + +TRACE_EVENT(rdev_get_tx_power, + TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, + int radio_idx, unsigned int link_id), + TP_ARGS(wiphy, wdev, radio_idx, link_id), + TP_STRUCT__entry( + WIPHY_ENTRY + WDEV_ENTRY + __field(int, radio_idx) + __field(unsigned int, link_id) + ), + TP_fast_assign( + WIPHY_ASSIGN; + WDEV_ASSIGN; + __entry->radio_idx = radio_idx; + __entry->link_id = link_id; + ), + TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT + ", radio_idx: %d, link_id: %u", + WIPHY_PR_ARG, WDEV_PR_ARG, + __entry->radio_idx, __entry->link_id) ); TRACE_EVENT(rdev_set_tx_power, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, - enum nl80211_tx_power_setting type, int mbm), - TP_ARGS(wiphy, wdev, type, mbm), + int radio_idx, enum nl80211_tx_power_setting type, + int mbm), + TP_ARGS(wiphy, wdev, radio_idx, type, mbm), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY + __field(int, radio_idx) __field(enum nl80211_tx_power_setting, type) __field(int, mbm) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; + __entry->radio_idx = radio_idx; __entry->type = type; __entry->mbm = mbm; ), - TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", type: %u, mbm: %d", - WIPHY_PR_ARG, WDEV_PR_ARG,__entry->type, __entry->mbm) + TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT + ", radio_idx: %d, type: %u, mbm: %d", + WIPHY_PR_ARG, WDEV_PR_ARG, + __entry->radio_idx, __entry->type, __entry->mbm) ); TRACE_EVENT(rdev_return_int_int, @@ -1845,26 +1900,24 @@ TRACE_EVENT(rdev_return_void_tx_rx, __entry->rx_max) ); -DECLARE_EVENT_CLASS(tx_rx_evt, - TP_PROTO(struct wiphy *wiphy, u32 tx, u32 rx), - TP_ARGS(wiphy, tx, rx), +TRACE_EVENT(rdev_set_antenna, + TP_PROTO(struct wiphy *wiphy, int radio_idx, u32 tx, u32 rx), + TP_ARGS(wiphy, radio_idx, tx, rx), TP_STRUCT__entry( WIPHY_ENTRY + __field(int, radio_idx) __field(u32, tx) __field(u32, rx) ), TP_fast_assign( WIPHY_ASSIGN; + __entry->radio_idx = radio_idx; __entry->tx = tx; __entry->rx = rx; ), - TP_printk(WIPHY_PR_FMT ", tx: %u, rx: %u ", - WIPHY_PR_ARG, __entry->tx, __entry->rx) -); - -DEFINE_EVENT(tx_rx_evt, rdev_set_antenna, - TP_PROTO(struct wiphy *wiphy, u32 tx, u32 rx), - TP_ARGS(wiphy, tx, rx) + TP_printk(WIPHY_PR_FMT ", radio_idx: %d, tx: %u, rx: %u ", + WIPHY_PR_ARG, __entry->radio_idx, + __entry->tx, __entry->rx) ); DECLARE_EVENT_CLASS(wiphy_netdev_id_evt, @@ -2192,25 +2245,6 @@ TRACE_EVENT(rdev_set_noack_map, TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", noack_map: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->noack_map) ); - -DECLARE_EVENT_CLASS(wiphy_wdev_link_evt, - TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, - unsigned int link_id), - TP_ARGS(wiphy, wdev, link_id), - TP_STRUCT__entry( - WIPHY_ENTRY - WDEV_ENTRY - __field(unsigned int, link_id) - ), - TP_fast_assign( - WIPHY_ASSIGN; - WDEV_ASSIGN; - __entry->link_id = link_id; - ), - TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", link_id: %u", - WIPHY_PR_ARG, WDEV_PR_ARG, __entry->link_id) -); - DEFINE_EVENT(wiphy_wdev_link_evt, rdev_get_channel, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, unsigned int link_id), @@ -3049,6 +3083,24 @@ TRACE_EVENT(rdev_set_ttlm, WIPHY_PR_ARG, NETDEV_PR_ARG) ); +TRACE_EVENT(rdev_set_epcs, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + bool val), + TP_ARGS(wiphy, netdev, val), + TP_STRUCT__entry( + WIPHY_ENTRY + NETDEV_ENTRY + __field(bool, val) + ), + TP_fast_assign( + WIPHY_ASSIGN; + NETDEV_ASSIGN; + __entry->val = val; + ), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", config=%u", + WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->val) +); + /************************************************************* * cfg80211 exported functions traces * *************************************************************/ @@ -3518,27 +3570,30 @@ TRACE_EVENT(cfg80211_cac_event, ); DECLARE_EVENT_CLASS(cfg80211_rx_evt, - TP_PROTO(struct net_device *netdev, const u8 *addr), - TP_ARGS(netdev, addr), + TP_PROTO(struct net_device *netdev, const u8 *addr, int link_id), + TP_ARGS(netdev, addr, link_id), TP_STRUCT__entry( NETDEV_ENTRY MAC_ENTRY(addr) + __field(int, link_id) ), TP_fast_assign( NETDEV_ASSIGN; MAC_ASSIGN(addr, addr); + __entry->link_id = link_id; ), - TP_printk(NETDEV_PR_FMT ", %pM", NETDEV_PR_ARG, __entry->addr) + TP_printk(NETDEV_PR_FMT ", %pM, link_id:%d", NETDEV_PR_ARG, + __entry->addr, __entry->link_id) ); DEFINE_EVENT(cfg80211_rx_evt, cfg80211_rx_spurious_frame, - TP_PROTO(struct net_device *netdev, const u8 *addr), - TP_ARGS(netdev, addr) + TP_PROTO(struct net_device *netdev, const u8 *addr, int link_id), + TP_ARGS(netdev, addr, link_id) ); DEFINE_EVENT(cfg80211_rx_evt, cfg80211_rx_unexpected_4addr_frame, - TP_PROTO(struct net_device *netdev, const u8 *addr), - TP_ARGS(netdev, addr) + TP_PROTO(struct net_device *netdev, const u8 *addr, int link_id), + TP_ARGS(netdev, addr, link_id) ); TRACE_EVENT(cfg80211_ibss_joined, @@ -3665,12 +3720,12 @@ TRACE_EVENT(cfg80211_tdls_oper_request, ); TRACE_EVENT(cfg80211_scan_done, - TP_PROTO(struct cfg80211_scan_request *request, + TP_PROTO(struct cfg80211_scan_request_int *request, struct cfg80211_scan_info *info), TP_ARGS(request, info), TP_STRUCT__entry( __field(u32, n_channels) - __dynamic_array(u8, ie, request ? request->ie_len : 0) + __dynamic_array(u8, ie, request ? request->req.ie_len : 0) __array(u32, rates, NUM_NL80211_BANDS) __field(u32, wdev_id) MAC_ENTRY(wiphy_mac) @@ -3681,16 +3736,16 @@ TRACE_EVENT(cfg80211_scan_done, ), TP_fast_assign( if (request) { - memcpy(__get_dynamic_array(ie), request->ie, - request->ie_len); - memcpy(__entry->rates, request->rates, + memcpy(__get_dynamic_array(ie), request->req.ie, + request->req.ie_len); + memcpy(__entry->rates, request->req.rates, NUM_NL80211_BANDS); - __entry->wdev_id = request->wdev ? - request->wdev->identifier : 0; - if (request->wiphy) + __entry->wdev_id = request->req.wdev ? + request->req.wdev->identifier : 0; + if (request->req.wiphy) MAC_ASSIGN(wiphy_mac, - request->wiphy->perm_addr); - __entry->no_cck = request->no_cck; + request->req.wiphy->perm_addr); + __entry->no_cck = request->req.no_cck; } if (info) { __entry->aborted = info->aborted; @@ -4100,10 +4155,73 @@ TRACE_EVENT(cfg80211_links_removed, NETDEV_ASSIGN; __entry->link_mask = link_mask; ), - TP_printk(NETDEV_PR_FMT ", link_mask:%u", NETDEV_PR_ARG, + TP_printk(NETDEV_PR_FMT ", link_mask:0x%x", NETDEV_PR_ARG, __entry->link_mask) ); +TRACE_EVENT(cfg80211_mlo_reconf_add_done, + TP_PROTO(struct net_device *netdev, u16 link_mask, + const u8 *buf, size_t len, bool driver_initiated), + TP_ARGS(netdev, link_mask, buf, len, driver_initiated), + TP_STRUCT__entry( + NETDEV_ENTRY + __field(u16, link_mask) + __dynamic_array(u8, buf, len) + __field(bool, driver_initiated) + ), + TP_fast_assign( + NETDEV_ASSIGN; + __entry->link_mask = link_mask; + memcpy(__get_dynamic_array(buf), buf, len); + __entry->driver_initiated = driver_initiated; + ), + TP_printk(NETDEV_PR_FMT ", link_mask:0x%x, driver_initiated:%d", + NETDEV_PR_ARG, __entry->link_mask, __entry->driver_initiated) +); + +TRACE_EVENT(rdev_assoc_ml_reconf, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + struct cfg80211_ml_reconf_req *req), + TP_ARGS(wiphy, netdev, req), + TP_STRUCT__entry( + WIPHY_ENTRY + NETDEV_ENTRY + __field(u16, add_links) + __field(u16, rem_links) + __field(u16, ext_mld_capa_ops) + ), + TP_fast_assign( + WIPHY_ASSIGN; + NETDEV_ASSIGN; + u32 i; + + __entry->add_links = 0; + __entry->rem_links = req->rem_links; + for (i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) + if (req->add_links[i].bss) + __entry->add_links |= BIT(i); + __entry->ext_mld_capa_ops = req->ext_mld_capa_ops; + ), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", add_links=0x%x, rem_links=0x%x", + WIPHY_PR_ARG, NETDEV_PR_ARG, + __entry->add_links, __entry->rem_links) +); + +TRACE_EVENT(cfg80211_epcs_changed, + TP_PROTO(struct wireless_dev *wdev, bool enabled), + TP_ARGS(wdev, enabled), + TP_STRUCT__entry( + WDEV_ENTRY + __field(u32, enabled) + ), + TP_fast_assign( + WDEV_ASSIGN; + __entry->enabled = enabled; + ), + TP_printk(WDEV_PR_FMT ", enabled=%u", + WDEV_PR_ARG, __entry->enabled) +); + #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 040d62051eb9..240c68baa3d1 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -5,7 +5,7 @@ * Copyright 2007-2009 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2017 Intel Deutschland GmbH - * Copyright (C) 2018-2023 Intel Corporation + * Copyright (C) 2018-2023, 2025 Intel Corporation */ #include <linux/export.h> #include <linux/bitops.h> @@ -820,6 +820,52 @@ bool ieee80211_is_valid_amsdu(struct sk_buff *skb, u8 mesh_hdr) } EXPORT_SYMBOL(ieee80211_is_valid_amsdu); + +/* + * Detects if an MSDU frame was maliciously converted into an A-MSDU + * frame by an adversary. This is done by parsing the received frame + * as if it were a regular MSDU, even though the A-MSDU flag is set. + * + * For non-mesh interfaces, detection involves checking whether the + * payload, when interpreted as an MSDU, begins with a valid RFC1042 + * header. This is done by comparing the A-MSDU subheader's destination + * address to the start of the RFC1042 header. + * + * For mesh interfaces, the MSDU includes a 6-byte Mesh Control field + * and an optional variable-length Mesh Address Extension field before + * the RFC1042 header. The position of the RFC1042 header must therefore + * be calculated based on the mesh header length. + * + * Since this function intentionally parses an A-MSDU frame as an MSDU, + * it only assumes that the A-MSDU subframe header is present, and + * beyond this it performs its own bounds checks under the assumption + * that the frame is instead parsed as a non-aggregated MSDU. + */ +static bool +is_amsdu_aggregation_attack(struct ethhdr *eth, struct sk_buff *skb, + enum nl80211_iftype iftype) +{ + int offset; + + /* Non-mesh case can be directly compared */ + if (iftype != NL80211_IFTYPE_MESH_POINT) + return ether_addr_equal(eth->h_dest, rfc1042_header); + + offset = __ieee80211_get_mesh_hdrlen(eth->h_dest[0]); + if (offset == 6) { + /* Mesh case with empty address extension field */ + return ether_addr_equal(eth->h_source, rfc1042_header); + } else if (offset + ETH_ALEN <= skb->len) { + /* Mesh case with non-empty address extension field */ + u8 temp[ETH_ALEN]; + + skb_copy_bits(skb, offset, temp, ETH_ALEN); + return ether_addr_equal(temp, rfc1042_header); + } + + return false; +} + void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list, const u8 *addr, enum nl80211_iftype iftype, const unsigned int extra_headroom, @@ -861,8 +907,10 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list, /* the last MSDU has no padding */ if (subframe_len > remaining) goto purge; - /* mitigate A-MSDU aggregation injection attacks */ - if (ether_addr_equal(hdr.eth.h_dest, rfc1042_header)) + /* mitigate A-MSDU aggregation injection attacks, to be + * checked when processing first subframe (offset == 0). + */ + if (offset == 0 && is_amsdu_aggregation_attack(&hdr.eth, skb, iftype)) goto purge; offset += sizeof(struct ethhdr); @@ -2516,6 +2564,30 @@ int cfg80211_check_combinations(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_check_combinations); +int cfg80211_get_radio_idx_by_chan(struct wiphy *wiphy, + const struct ieee80211_channel *chan) +{ + const struct wiphy_radio *radio; + int i, j; + u32 freq; + + if (!chan) + return -EINVAL; + + freq = ieee80211_channel_to_khz(chan); + for (i = 0; i < wiphy->n_radio; i++) { + radio = &wiphy->radio[i]; + for (j = 0; j < radio->n_freq_range; j++) { + if (freq >= radio->freq_range[j].start_freq && + freq < radio->freq_range[j].end_freq) + return i; + } + } + + return -ENOENT; +} +EXPORT_SYMBOL(cfg80211_get_radio_idx_by_chan); + int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, const u8 *rates, unsigned int n_rates, u32 *mask) @@ -2572,7 +2644,6 @@ int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr, { struct cfg80211_registered_device *rdev; struct wireless_dev *wdev; - int ret; wdev = dev->ieee80211_ptr; if (!wdev) @@ -2584,11 +2655,9 @@ int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr, memset(sinfo, 0, sizeof(*sinfo)); - wiphy_lock(&rdev->wiphy); - ret = rdev_get_station(rdev, dev, mac_addr, sinfo); - wiphy_unlock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); - return ret; + return rdev_get_station(rdev, dev, mac_addr, sinfo); } EXPORT_SYMBOL(cfg80211_get_station); @@ -2629,6 +2698,18 @@ bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range, return false; } +int cfg80211_link_sinfo_alloc_tid_stats(struct link_station_info *link_sinfo, + gfp_t gfp) +{ + link_sinfo->pertid = kcalloc(IEEE80211_NUM_TIDS + 1, + sizeof(*link_sinfo->pertid), gfp); + if (!link_sinfo->pertid) + return -ENOMEM; + + return 0; +} +EXPORT_SYMBOL(cfg80211_link_sinfo_alloc_tid_stats); + int cfg80211_sinfo_alloc_tid_stats(struct station_info *sinfo, gfp_t gfp) { sinfo->pertid = kcalloc(IEEE80211_NUM_TIDS + 1, @@ -2843,10 +2924,9 @@ void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id) break; } - wdev->valid_links &= ~BIT(link_id); - rdev_del_intf_link(rdev, wdev, link_id); + wdev->valid_links &= ~BIT(link_id); eth_zero_addr(wdev->links[link_id].addr); } @@ -2912,7 +2992,7 @@ bool cfg80211_radio_chandef_valid(const struct wiphy_radio *radio, u32 freq, width; freq = ieee80211_chandef_to_khz(chandef); - width = nl80211_chan_width_to_mhz(chandef->width); + width = cfg80211_chandef_get_width(chandef); if (!ieee80211_radio_freq_range_valid(radio, freq, width)) return false; diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 90d5c0592667..1241fda78a68 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -39,7 +39,6 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, struct cfg80211_registered_device *rdev; struct vif_params vifparams; enum nl80211_iftype type; - int ret; rdev = wiphy_to_rdev(wdev->wiphy); @@ -62,11 +61,9 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, memset(&vifparams, 0, sizeof(vifparams)); - wiphy_lock(wdev->wiphy); - ret = cfg80211_change_iface(rdev, dev, type, &vifparams); - wiphy_unlock(wdev->wiphy); + guard(wiphy)(wdev->wiphy); - return ret; + return cfg80211_change_iface(rdev, dev, type, &vifparams); } int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, @@ -258,23 +255,17 @@ int cfg80211_wext_siwrts(struct net_device *dev, u32 orts = wdev->wiphy->rts_threshold; int err; - wiphy_lock(&rdev->wiphy); - if (rts->disabled || !rts->fixed) { + guard(wiphy)(&rdev->wiphy); + if (rts->disabled || !rts->fixed) wdev->wiphy->rts_threshold = (u32) -1; - } else if (rts->value < 0) { - err = -EINVAL; - goto out; - } else { + else if (rts->value < 0) + return -EINVAL; + else wdev->wiphy->rts_threshold = rts->value; - } - - err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_RTS_THRESHOLD); + err = rdev_set_wiphy_params(rdev, -1, WIPHY_PARAM_RTS_THRESHOLD); if (err) wdev->wiphy->rts_threshold = orts; - -out: - wiphy_unlock(&rdev->wiphy); return err; } @@ -302,23 +293,20 @@ int cfg80211_wext_siwfrag(struct net_device *dev, u32 ofrag = wdev->wiphy->frag_threshold; int err; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + if (frag->disabled || !frag->fixed) { wdev->wiphy->frag_threshold = (u32) -1; } else if (frag->value < 256) { - err = -EINVAL; - goto out; + return -EINVAL; } else { /* Fragment length must be even, so strip LSB. */ wdev->wiphy->frag_threshold = frag->value & ~0x1; } - err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_FRAG_THRESHOLD); + err = rdev_set_wiphy_params(rdev, -1, WIPHY_PARAM_FRAG_THRESHOLD); if (err) wdev->wiphy->frag_threshold = ofrag; -out: - wiphy_unlock(&rdev->wiphy); - return err; } @@ -352,7 +340,8 @@ static int cfg80211_wext_siwretry(struct net_device *dev, (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) return -EINVAL; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + if (retry->flags & IW_RETRY_LONG) { wdev->wiphy->retry_long = retry->value; changed |= WIPHY_PARAM_RETRY_LONG; @@ -366,12 +355,11 @@ static int cfg80211_wext_siwretry(struct net_device *dev, changed |= WIPHY_PARAM_RETRY_SHORT; } - err = rdev_set_wiphy_params(rdev, changed); + err = rdev_set_wiphy_params(rdev, -1, changed); if (err) { wdev->wiphy->retry_short = oshort; wdev->wiphy->retry_long = olong; } - wiphy_unlock(&rdev->wiphy); return err; } @@ -578,9 +566,9 @@ static int cfg80211_wext_siwencode(struct net_device *dev, struct iw_point *erq = &wrqu->encoding; struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); - int idx, err; - bool remove = false; struct key_params params; + bool remove = false; + int idx; if (wdev->iftype != NL80211_IFTYPE_STATION && wdev->iftype != NL80211_IFTYPE_ADHOC) @@ -592,11 +580,9 @@ static int cfg80211_wext_siwencode(struct net_device *dev, !rdev->ops->set_default_key) return -EOPNOTSUPP; - wiphy_lock(&rdev->wiphy); - if (wdev->valid_links) { - err = -EOPNOTSUPP; - goto out; - } + guard(wiphy)(&rdev->wiphy); + if (wdev->valid_links) + return -EOPNOTSUPP; idx = erq->flags & IW_ENCODE_INDEX; if (idx == 0) { @@ -604,8 +590,7 @@ static int cfg80211_wext_siwencode(struct net_device *dev, if (idx < 0) idx = 0; } else if (idx < 1 || idx > 4) { - err = -EINVAL; - goto out; + return -EINVAL; } else { idx--; } @@ -614,7 +599,8 @@ static int cfg80211_wext_siwencode(struct net_device *dev, remove = true; else if (erq->length == 0) { /* No key data - just set the default TX key index */ - err = 0; + int err = 0; + if (wdev->connected || (wdev->iftype == NL80211_IFTYPE_ADHOC && wdev->u.ibss.current_bss)) @@ -622,28 +608,22 @@ static int cfg80211_wext_siwencode(struct net_device *dev, true); if (!err) wdev->wext.default_key = idx; - goto out; + return err; } memset(¶ms, 0, sizeof(params)); params.key = keybuf; params.key_len = erq->length; - if (erq->length == 5) { + if (erq->length == 5) params.cipher = WLAN_CIPHER_SUITE_WEP40; - } else if (erq->length == 13) { + else if (erq->length == 13) params.cipher = WLAN_CIPHER_SUITE_WEP104; - } else if (!remove) { - err = -EINVAL; - goto out; - } - - err = cfg80211_set_encryption(rdev, dev, false, NULL, remove, - wdev->wext.default_key == -1, - idx, ¶ms); -out: - wiphy_unlock(&rdev->wiphy); + else if (!remove) + return -EINVAL; - return err; + return cfg80211_set_encryption(rdev, dev, false, NULL, remove, + wdev->wext.default_key == -1, + idx, ¶ms); } static int cfg80211_wext_siwencodeext(struct net_device *dev, @@ -659,7 +639,6 @@ static int cfg80211_wext_siwencodeext(struct net_device *dev, bool remove = false; struct key_params params; u32 cipher; - int ret; if (wdev->iftype != NL80211_IFTYPE_STATION && wdev->iftype != NL80211_IFTYPE_ADHOC) @@ -734,16 +713,13 @@ static int cfg80211_wext_siwencodeext(struct net_device *dev, params.seq_len = 6; } - wiphy_lock(wdev->wiphy); - ret = cfg80211_set_encryption( - rdev, dev, - !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY), - addr, remove, - ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, - idx, ¶ms); - wiphy_unlock(wdev->wiphy); + guard(wiphy)(wdev->wiphy); - return ret; + return cfg80211_set_encryption(rdev, dev, + !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY), + addr, remove, + ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, + idx, ¶ms); } static int cfg80211_wext_giwencode(struct net_device *dev, @@ -794,61 +770,41 @@ static int cfg80211_wext_siwfreq(struct net_device *dev, struct cfg80211_chan_def chandef = { .width = NL80211_CHAN_WIDTH_20_NOHT, }; - int freq, ret; + int freq; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); switch (wdev->iftype) { case NL80211_IFTYPE_STATION: - ret = cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); - break; + return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); case NL80211_IFTYPE_ADHOC: - ret = cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); - break; + return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); case NL80211_IFTYPE_MONITOR: freq = cfg80211_wext_freq(wextfreq); - if (freq < 0) { - ret = freq; - break; - } - if (freq == 0) { - ret = -EINVAL; - break; - } + if (freq < 0) + return freq; + if (freq == 0) + return -EINVAL; + chandef.center_freq1 = freq; chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); - if (!chandef.chan) { - ret = -EINVAL; - break; - } - ret = cfg80211_set_monitor_channel(rdev, dev, &chandef); - break; + if (!chandef.chan) + return -EINVAL; + return cfg80211_set_monitor_channel(rdev, dev, &chandef); case NL80211_IFTYPE_MESH_POINT: freq = cfg80211_wext_freq(wextfreq); - if (freq < 0) { - ret = freq; - break; - } - if (freq == 0) { - ret = -EINVAL; - break; - } + if (freq < 0) + return freq; + if (freq == 0) + return -EINVAL; chandef.center_freq1 = freq; chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); - if (!chandef.chan) { - ret = -EINVAL; - break; - } - ret = cfg80211_set_mesh_channel(rdev, wdev, &chandef); - break; + if (!chandef.chan) + return -EINVAL; + return cfg80211_set_mesh_channel(rdev, wdev, &chandef); default: - ret = -EOPNOTSUPP; - break; + return -EOPNOTSUPP; } - - wiphy_unlock(&rdev->wiphy); - - return ret; } static int cfg80211_wext_giwfreq(struct net_device *dev, @@ -861,35 +817,26 @@ static int cfg80211_wext_giwfreq(struct net_device *dev, struct cfg80211_chan_def chandef = {}; int ret; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + switch (wdev->iftype) { case NL80211_IFTYPE_STATION: - ret = cfg80211_mgd_wext_giwfreq(dev, info, freq, extra); - break; + return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra); case NL80211_IFTYPE_ADHOC: - ret = cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); - break; + return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); case NL80211_IFTYPE_MONITOR: - if (!rdev->ops->get_channel) { - ret = -EINVAL; - break; - } + if (!rdev->ops->get_channel) + return -EINVAL; ret = rdev_get_channel(rdev, wdev, 0, &chandef); if (ret) - break; + return ret; freq->m = chandef.chan->center_freq; freq->e = 6; - ret = 0; - break; + return ret; default: - ret = -EINVAL; - break; + return -EINVAL; } - - wiphy_unlock(&rdev->wiphy); - - return ret; } static int cfg80211_wext_siwtxpower(struct net_device *dev, @@ -900,7 +847,6 @@ static int cfg80211_wext_siwtxpower(struct net_device *dev, struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); enum nl80211_tx_power_setting type; int dbm = 0; - int ret; if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) return -EINVAL; @@ -942,11 +888,9 @@ static int cfg80211_wext_siwtxpower(struct net_device *dev, return 0; } - wiphy_lock(&rdev->wiphy); - ret = rdev_set_tx_power(rdev, wdev, type, DBM_TO_MBM(dbm)); - wiphy_unlock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); - return ret; + return rdev_set_tx_power(rdev, wdev, -1, type, DBM_TO_MBM(dbm)); } static int cfg80211_wext_giwtxpower(struct net_device *dev, @@ -965,9 +909,9 @@ static int cfg80211_wext_giwtxpower(struct net_device *dev, if (!rdev->ops->get_tx_power) return -EOPNOTSUPP; - wiphy_lock(&rdev->wiphy); - err = rdev_get_tx_power(rdev, wdev, &val); - wiphy_unlock(&rdev->wiphy); + scoped_guard(wiphy, &rdev->wiphy) { + err = rdev_get_tx_power(rdev, wdev, -1, 0, &val); + } if (err) return err; @@ -1209,9 +1153,9 @@ static int cfg80211_wext_siwpower(struct net_device *dev, timeout = wrq->value / 1000; } - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + err = rdev_set_power_mgmt(rdev, dev, ps, timeout); - wiphy_unlock(&rdev->wiphy); if (err) return err; @@ -1244,8 +1188,8 @@ static int cfg80211_wext_siwrate(struct net_device *dev, struct cfg80211_bitrate_mask mask; u32 fixed, maxrate; struct ieee80211_supported_band *sband; - int band, ridx, ret; bool match = false; + int band, ridx; if (!rdev->ops->set_bitrate_mask) return -EOPNOTSUPP; @@ -1283,14 +1227,12 @@ static int cfg80211_wext_siwrate(struct net_device *dev, if (!match) return -EINVAL; - wiphy_lock(&rdev->wiphy); - if (dev->ieee80211_ptr->valid_links) - ret = -EOPNOTSUPP; - else - ret = rdev_set_bitrate_mask(rdev, dev, 0, NULL, &mask); - wiphy_unlock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); - return ret; + if (dev->ieee80211_ptr->valid_links) + return -EOPNOTSUPP; + + return rdev_set_bitrate_mask(rdev, dev, 0, NULL, &mask); } static int cfg80211_wext_giwrate(struct net_device *dev, @@ -1319,9 +1261,9 @@ static int cfg80211_wext_giwrate(struct net_device *dev, if (err) return err; - wiphy_lock(&rdev->wiphy); - err = rdev_get_station(rdev, dev, addr, &sinfo); - wiphy_unlock(&rdev->wiphy); + scoped_guard(wiphy, &rdev->wiphy) { + err = rdev_get_station(rdev, dev, addr, &sinfo); + } if (err) return err; @@ -1420,23 +1362,17 @@ static int cfg80211_wext_siwap(struct net_device *dev, struct sockaddr *ap_addr = &wrqu->ap_addr; struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); - int ret; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + switch (wdev->iftype) { case NL80211_IFTYPE_ADHOC: - ret = cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra); - break; + return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra); case NL80211_IFTYPE_STATION: - ret = cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); - break; + return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); default: - ret = -EOPNOTSUPP; - break; + return -EOPNOTSUPP; } - wiphy_unlock(&rdev->wiphy); - - return ret; } static int cfg80211_wext_giwap(struct net_device *dev, @@ -1446,23 +1382,17 @@ static int cfg80211_wext_giwap(struct net_device *dev, struct sockaddr *ap_addr = &wrqu->ap_addr; struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); - int ret; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + switch (wdev->iftype) { case NL80211_IFTYPE_ADHOC: - ret = cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra); - break; + return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra); case NL80211_IFTYPE_STATION: - ret = cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); - break; + return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); default: - ret = -EOPNOTSUPP; - break; + return -EOPNOTSUPP; } - wiphy_unlock(&rdev->wiphy); - - return ret; } static int cfg80211_wext_siwessid(struct net_device *dev, @@ -1472,23 +1402,17 @@ static int cfg80211_wext_siwessid(struct net_device *dev, struct iw_point *data = &wrqu->data; struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); - int ret; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + switch (wdev->iftype) { case NL80211_IFTYPE_ADHOC: - ret = cfg80211_ibss_wext_siwessid(dev, info, data, ssid); - break; + return cfg80211_ibss_wext_siwessid(dev, info, data, ssid); case NL80211_IFTYPE_STATION: - ret = cfg80211_mgd_wext_siwessid(dev, info, data, ssid); - break; + return cfg80211_mgd_wext_siwessid(dev, info, data, ssid); default: - ret = -EOPNOTSUPP; - break; + return -EOPNOTSUPP; } - wiphy_unlock(&rdev->wiphy); - - return ret; } static int cfg80211_wext_giwessid(struct net_device *dev, @@ -1498,26 +1422,20 @@ static int cfg80211_wext_giwessid(struct net_device *dev, struct iw_point *data = &wrqu->data; struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); - int ret; data->flags = 0; data->length = 0; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + switch (wdev->iftype) { case NL80211_IFTYPE_ADHOC: - ret = cfg80211_ibss_wext_giwessid(dev, info, data, ssid); - break; + return cfg80211_ibss_wext_giwessid(dev, info, data, ssid); case NL80211_IFTYPE_STATION: - ret = cfg80211_mgd_wext_giwessid(dev, info, data, ssid); - break; + return cfg80211_mgd_wext_giwessid(dev, info, data, ssid); default: - ret = -EOPNOTSUPP; - break; + return -EOPNOTSUPP; } - wiphy_unlock(&rdev->wiphy); - - return ret; } static int cfg80211_wext_siwpmksa(struct net_device *dev, @@ -1528,7 +1446,6 @@ static int cfg80211_wext_siwpmksa(struct net_device *dev, struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); struct cfg80211_pmksa cfg_pmksa; struct iw_pmksa *pmksa = (struct iw_pmksa *)extra; - int ret; memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa)); @@ -1538,39 +1455,27 @@ static int cfg80211_wext_siwpmksa(struct net_device *dev, cfg_pmksa.bssid = pmksa->bssid.sa_data; cfg_pmksa.pmkid = pmksa->pmkid; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + switch (pmksa->cmd) { case IW_PMKSA_ADD: - if (!rdev->ops->set_pmksa) { - ret = -EOPNOTSUPP; - break; - } + if (!rdev->ops->set_pmksa) + return -EOPNOTSUPP; - ret = rdev_set_pmksa(rdev, dev, &cfg_pmksa); - break; + return rdev_set_pmksa(rdev, dev, &cfg_pmksa); case IW_PMKSA_REMOVE: - if (!rdev->ops->del_pmksa) { - ret = -EOPNOTSUPP; - break; - } + if (!rdev->ops->del_pmksa) + return -EOPNOTSUPP; - ret = rdev_del_pmksa(rdev, dev, &cfg_pmksa); - break; + return rdev_del_pmksa(rdev, dev, &cfg_pmksa); case IW_PMKSA_FLUSH: - if (!rdev->ops->flush_pmksa) { - ret = -EOPNOTSUPP; - break; - } + if (!rdev->ops->flush_pmksa) + return -EOPNOTSUPP; - ret = rdev_flush_pmksa(rdev, dev); - break; + return rdev_flush_pmksa(rdev, dev); default: - ret = -EOPNOTSUPP; - break; + return -EOPNOTSUPP; } - wiphy_unlock(&rdev->wiphy); - - return ret; } static const iw_handler cfg80211_handlers[] = { diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c index 3bb04b05c5ce..c32a7c6903d5 100644 --- a/net/wireless/wext-core.c +++ b/net/wireless/wext-core.c @@ -431,7 +431,7 @@ static struct nlmsghdr *rtnetlink_ifinfo_prep(struct net_device *dev, r->__ifi_pad = 0; r->ifi_type = dev->type; r->ifi_index = dev->ifindex; - r->ifi_flags = dev_get_flags(dev); + r->ifi_flags = netif_get_flags(dev); r->ifi_change = 0; /* Wireless changes don't affect those flags */ if (nla_put_string(skb, IFLA_IFNAME, dev->name)) @@ -640,10 +640,8 @@ EXPORT_SYMBOL(wireless_send_event); #ifdef CONFIG_CFG80211_WEXT static void wireless_warn_cfg80211_wext(void) { - char name[sizeof(current->comm)]; - pr_warn_once("warning: `%s' uses wireless extensions which will stop working for Wi-Fi 7 hardware; use nl80211\n", - get_task_comm(name, current)); + current->comm); } #endif diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c index 8edd9ada69d0..573b6b15a446 100644 --- a/net/wireless/wext-sme.c +++ b/net/wireless/wext-sme.c @@ -302,8 +302,8 @@ int cfg80211_wext_siwgenie(struct net_device *dev, struct iw_point *data = &wrqu->data; struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + int ie_len = data->length; u8 *ie = extra; - int ie_len = data->length, err; if (wdev->iftype != NL80211_IFTYPE_STATION) return -EOPNOTSUPP; @@ -311,39 +311,31 @@ int cfg80211_wext_siwgenie(struct net_device *dev, if (!ie_len) ie = NULL; - wiphy_lock(wdev->wiphy); + guard(wiphy)(wdev->wiphy); /* no change */ - err = 0; if (wdev->wext.ie_len == ie_len && memcmp(wdev->wext.ie, ie, ie_len) == 0) - goto out; + return 0; if (ie_len) { ie = kmemdup(extra, ie_len, GFP_KERNEL); - if (!ie) { - err = -ENOMEM; - goto out; - } - } else + if (!ie) + return -ENOMEM; + } else { ie = NULL; + } kfree(wdev->wext.ie); wdev->wext.ie = ie; wdev->wext.ie_len = ie_len; - if (wdev->conn) { - err = cfg80211_disconnect(rdev, dev, - WLAN_REASON_DEAUTH_LEAVING, false); - if (err) - goto out; - } + if (wdev->conn) + return cfg80211_disconnect(rdev, dev, + WLAN_REASON_DEAUTH_LEAVING, false); /* userspace better not think we'll reconnect */ - err = 0; - out: - wiphy_unlock(wdev->wiphy); - return err; + return 0; } int cfg80211_wext_siwmlme(struct net_device *dev, @@ -353,7 +345,6 @@ int cfg80211_wext_siwmlme(struct net_device *dev, struct wireless_dev *wdev = dev->ieee80211_ptr; struct iw_mlme *mlme = (struct iw_mlme *)extra; struct cfg80211_registered_device *rdev; - int err; if (!wdev) return -EOPNOTSUPP; @@ -366,17 +357,13 @@ int cfg80211_wext_siwmlme(struct net_device *dev, if (mlme->addr.sa_family != ARPHRD_ETHER) return -EINVAL; - wiphy_lock(&rdev->wiphy); + guard(wiphy)(&rdev->wiphy); + switch (mlme->cmd) { case IW_MLME_DEAUTH: case IW_MLME_DISASSOC: - err = cfg80211_disconnect(rdev, dev, mlme->reason_code, true); - break; + return cfg80211_disconnect(rdev, dev, mlme->reason_code, true); default: - err = -EOPNOTSUPP; - break; + return -EOPNOTSUPP; } - wiphy_unlock(&rdev->wiphy); - - return err; } |