diff options
Diffstat (limited to 'net/wireless/util.c')
| -rw-r--r-- | net/wireless/util.c | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c index f49b55724f83..ed868c0f7ca8 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> @@ -743,7 +743,7 @@ __ieee80211_amsdu_copy(struct sk_buff *skb, unsigned int hlen, return NULL; /* - * When reusing framents, copy some data to the head to simplify + * When reusing fragments, copy some data to the head to simplify * ethernet header handling and speed up protocol header processing * in the stack later. */ @@ -2572,7 +2572,6 @@ 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 +2583,9 @@ 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); @@ -2843,10 +2840,9 @@ 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 +2908,7 @@ 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; @@ -2923,3 +2919,32 @@ bool cfg80211_radio_chandef_valid(const struct wiphy_radio *radio, return true; } EXPORT_SYMBOL(cfg80211_radio_chandef_valid); + +bool cfg80211_wdev_channel_allowed(struct wireless_dev *wdev, + struct ieee80211_channel *chan) +{ + struct wiphy *wiphy = wdev->wiphy; + const struct wiphy_radio *radio; + struct cfg80211_chan_def chandef; + u32 radio_mask; + int i; + + radio_mask = wdev->radio_mask; + if (!wiphy->n_radio || radio_mask == BIT(wiphy->n_radio) - 1) + return true; + + cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_HT20); + for (i = 0; i < wiphy->n_radio; i++) { + if (!(radio_mask & BIT(i))) + continue; + + radio = &wiphy->radio[i]; + if (!cfg80211_radio_chandef_valid(radio, &chandef)) + continue; + + return true; + } + + return false; +} +EXPORT_SYMBOL(cfg80211_wdev_channel_allowed); |