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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2020-02-15 01:23:38 +0300
committerJohannes Berg <johannes.berg@intel.com>2020-02-21 22:00:39 +0300
commit7bb106eb689101dc56cc205d5fb4ecf5c0554348 (patch)
treeea0f5dddaa9369dea1aa212d088bf90b07130707
parentca98c47d54d76d2c3f59f8f66530362562914b6b (diff)
downloadlinux-7bb106eb689101dc56cc205d5fb4ecf5c0554348.tar.xz
cfg80211: remove support for adjacent channel compensation
The only driver that used that was iwlwifi and it removed support for this. Remove the feature here as well. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20200214232336.a530de38e511.I393bc395f6037c8cca6421ed550e3072dc248aed@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--include/net/cfg80211.h7
-rw-r--r--net/mac80211/scan.c3
-rw-r--r--net/wireless/scan.c6
3 files changed, 3 insertions, 13 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 7709b92f5b6b..7ea23caa7301 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -4577,12 +4577,6 @@ struct wiphy_iftype_akm_suites {
* and probe responses. This value should be set if the driver
* wishes to limit the number of csa counters. Default (0) means
* infinite.
- * @max_adj_channel_rssi_comp: max offset of between the channel on which the
- * frame was sent and the channel on which the frame was heard for which
- * the reported rssi is still valid. If a driver is able to compensate the
- * low rssi when a frame is heard on different channel, then it should set
- * this variable to the maximal offset for which it can compensate.
- * This value should be set in MHz.
* @bss_select_support: bitmask indicating the BSS selection criteria supported
* by the driver in the .connect() callback. The bit position maps to the
* attribute indices defined in &enum nl80211_bss_select_attr.
@@ -4734,7 +4728,6 @@ struct wiphy {
u16 max_ap_assoc_sta;
u8 max_num_csa_counters;
- u8 max_adj_channel_rssi_comp;
u32 bss_select_support;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 4d31d9688dc2..fdac8192a519 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -201,8 +201,7 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
mgmt->bssid, cbss->bssid);
/* In case the signal is invalid update the status */
- signal_valid = abs(channel->center_freq - cbss->channel->center_freq)
- <= local->hw.wiphy->max_adj_channel_rssi_comp;
+ signal_valid = channel == cbss->channel;
if (!signal_valid)
rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 7f1af8f347b1..dd41e41f9d26 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1433,8 +1433,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
}
rcu_assign_pointer(tmp.pub.ies, ies);
- signal_valid = abs(data->chan->center_freq - channel->center_freq) <=
- wiphy->max_adj_channel_rssi_comp;
+ signal_valid = data->chan == channel;
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid, ts);
if (!res)
return NULL;
@@ -1851,8 +1850,7 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
memcpy(tmp.pub.chain_signal, data->chain_signal, IEEE80211_MAX_CHAINS);
ether_addr_copy(tmp.parent_bssid, data->parent_bssid);
- signal_valid = abs(data->chan->center_freq - channel->center_freq) <=
- wiphy->max_adj_channel_rssi_comp;
+ signal_valid = data->chan == channel;
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid,
jiffies);
if (!res)