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-rw-r--r--net/wireless/reg.c103
1 files changed, 51 insertions, 52 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 753f8e9aa4b1..c1752b31734f 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
@@ -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)
@@ -1147,7 +1148,7 @@ static const struct ieee80211_regdomain *reg_get_regdomain(struct wiphy *wiphy)
/*
* Follow the driver's regulatory domain, if present, unless a country
- * IE has been processed or a user wants to help complaince further
+ * IE has been processed or a user wants to help compliance further
*/
if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
lr->initiator != NL80211_REGDOM_SET_BY_USER &&
@@ -1600,6 +1601,10 @@ static u32 map_regdom_flags(u32 rd_flags)
channel_flags |= IEEE80211_CHAN_NO_6GHZ_AFC_CLIENT;
if (rd_flags & NL80211_RRF_PSD)
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;
}
@@ -2463,11 +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)
@@ -2647,13 +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);
@@ -2823,9 +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);
}
@@ -3203,9 +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();
@@ -3284,7 +3287,7 @@ int regulatory_hint_user(const char *alpha2,
return 0;
}
-int regulatory_hint_indoor(bool is_indoor, u32 portid)
+void regulatory_hint_indoor(bool is_indoor, u32 portid)
{
spin_lock(&reg_indoor_lock);
@@ -3307,8 +3310,6 @@ int regulatory_hint_indoor(bool is_indoor, u32 portid)
if (!is_indoor)
reg_check_channels();
-
- return 0;
}
void regulatory_netlink_notify(u32 portid)
@@ -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;
@@ -3666,9 +3665,9 @@ static bool pending_reg_beacon(struct ieee80211_channel *beacon_chan)
return false;
}
-int regulatory_hint_found_beacon(struct wiphy *wiphy,
- struct ieee80211_channel *beacon_chan,
- gfp_t gfp)
+void regulatory_hint_found_beacon(struct wiphy *wiphy,
+ struct ieee80211_channel *beacon_chan,
+ gfp_t gfp)
{
struct reg_beacon *reg_beacon;
bool processing;
@@ -3677,18 +3676,18 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy,
beacon_chan->flags & IEEE80211_CHAN_RADAR ||
(beacon_chan->band == NL80211_BAND_2GHZ &&
!freq_is_chan_12_13_14(beacon_chan->center_freq)))
- return 0;
+ return;
spin_lock_bh(&reg_pending_beacons_lock);
processing = pending_reg_beacon(beacon_chan);
spin_unlock_bh(&reg_pending_beacons_lock);
if (processing)
- return 0;
+ return;
reg_beacon = kzalloc(sizeof(struct reg_beacon), gfp);
if (!reg_beacon)
- return -ENOMEM;
+ return;
pr_debug("Found new beacon on frequency: %d.%03d MHz (Ch %d) on %s\n",
beacon_chan->center_freq, beacon_chan->freq_offset,
@@ -3708,8 +3707,6 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy,
spin_unlock_bh(&reg_pending_beacons_lock);
schedule_work(&reg_work);
-
- return 0;
}
static void print_rd_rules(const struct ieee80211_regdomain *rd)
@@ -3885,19 +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 +4227,8 @@ EXPORT_SYMBOL(regulatory_pre_cac_allowed);
static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev)
{
struct wireless_dev *wdev;
+ unsigned int link_id;
+
/* 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:
@@ -4243,16 +4241,17 @@ static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev)
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
struct cfg80211_chan_def *chandef;
- if (!wdev->cac_started)
- continue;
+ for_each_valid_link(wdev, link_id) {
+ if (!wdev->links[link_id].cac_started)
+ continue;
- /* FIXME: radar detection is tied to link 0 for now */
- chandef = wdev_chandef(wdev, 0);
- if (!chandef)
- continue;
+ chandef = wdev_chandef(wdev, link_id);
+ if (!chandef)
+ continue;
- if (!cfg80211_chandef_dfs_usable(&rdev->wiphy, chandef))
- rdev_end_cac(rdev, wdev->netdev);
+ if (!cfg80211_chandef_dfs_usable(&rdev->wiphy, chandef))
+ rdev_end_cac(rdev, wdev->netdev, link_id);
+ }
}
}
generated by cgit (git 2.34.1) at 2025-07-12 07:52:49 +0000