diff options
Diffstat (limited to 'net/wireless/chan.c')
| -rw-r--r-- | net/wireless/chan.c | 93 |
1 files changed, 1 insertions, 92 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 8b7fb4a9e07b..f74f176e0d9d 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 2018-2021 Intel Corporation + * Copyright 2018-2022 Intel Corporation */ #include <linux/export.h> @@ -1344,97 +1344,6 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, return rdev_set_monitor_channel(rdev, chandef); } -void -cfg80211_get_chan_state(struct wireless_dev *wdev, - struct ieee80211_channel **chan, - enum cfg80211_chan_mode *chanmode, - u8 *radar_detect) -{ - int ret; - - *chan = NULL; - *chanmode = CHAN_MODE_UNDEFINED; - - ASSERT_WDEV_LOCK(wdev); - - if (wdev->netdev && !netif_running(wdev->netdev)) - return; - - switch (wdev->iftype) { - case NL80211_IFTYPE_ADHOC: - if (wdev->current_bss) { - *chan = wdev->current_bss->pub.channel; - *chanmode = (wdev->ibss_fixed && - !wdev->ibss_dfs_possible) - ? CHAN_MODE_SHARED - : CHAN_MODE_EXCLUSIVE; - - /* consider worst-case - IBSS can try to return to the - * original user-specified channel as creator */ - if (wdev->ibss_dfs_possible) - *radar_detect |= BIT(wdev->chandef.width); - return; - } - break; - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_P2P_CLIENT: - if (wdev->current_bss) { - *chan = wdev->current_bss->pub.channel; - *chanmode = CHAN_MODE_SHARED; - return; - } - break; - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_P2P_GO: - if (wdev->cac_started) { - *chan = wdev->chandef.chan; - *chanmode = CHAN_MODE_SHARED; - *radar_detect |= BIT(wdev->chandef.width); - } else if (wdev->beacon_interval) { - *chan = wdev->chandef.chan; - *chanmode = CHAN_MODE_SHARED; - - ret = cfg80211_chandef_dfs_required(wdev->wiphy, - &wdev->chandef, - wdev->iftype); - WARN_ON(ret < 0); - if (ret > 0) - *radar_detect |= BIT(wdev->chandef.width); - } - return; - case NL80211_IFTYPE_MESH_POINT: - if (wdev->mesh_id_len) { - *chan = wdev->chandef.chan; - *chanmode = CHAN_MODE_SHARED; - - ret = cfg80211_chandef_dfs_required(wdev->wiphy, - &wdev->chandef, - wdev->iftype); - WARN_ON(ret < 0); - if (ret > 0) - *radar_detect |= BIT(wdev->chandef.width); - } - return; - case NL80211_IFTYPE_OCB: - if (wdev->chandef.chan) { - *chan = wdev->chandef.chan; - *chanmode = CHAN_MODE_SHARED; - return; - } - break; - case NL80211_IFTYPE_MONITOR: - case NL80211_IFTYPE_AP_VLAN: - case NL80211_IFTYPE_P2P_DEVICE: - case NL80211_IFTYPE_NAN: - /* these interface types don't really have a channel */ - return; - case NL80211_IFTYPE_UNSPECIFIED: - case NL80211_IFTYPE_WDS: - case NUM_NL80211_IFTYPES: - WARN_ON(1); - } -} - bool cfg80211_any_usable_channels(struct wiphy *wiphy, unsigned long sband_mask, u32 prohibited_flags) |