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Diffstat (limited to 'net/wireless/scan.c')
-rw-r--r--net/wireless/scan.c38
1 files changed, 12 insertions, 26 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 790bc31cf82e..a1382255fab3 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1810,8 +1810,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev,
}
int cfg80211_get_ies_channel_number(const u8 *ie, size_t ielen,
- enum nl80211_band band,
- enum cfg80211_bss_frame_type ftype)
+ enum nl80211_band band)
{
const struct element *tmp;
@@ -1830,9 +1829,7 @@ int cfg80211_get_ies_channel_number(const u8 *ie, size_t ielen,
if (!he_6ghz_oper)
return -1;
- if (ftype != CFG80211_BSS_FTYPE_BEACON ||
- he_6ghz_oper->control & IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON)
- return he_6ghz_oper->primary;
+ return he_6ghz_oper->primary;
}
} else if (band == NL80211_BAND_S1GHZ) {
tmp = cfg80211_find_elem(WLAN_EID_S1G_OPERATION, ie, ielen);
@@ -1870,15 +1867,14 @@ EXPORT_SYMBOL(cfg80211_get_ies_channel_number);
static struct ieee80211_channel *
cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
struct ieee80211_channel *channel,
- enum nl80211_bss_scan_width scan_width,
- enum cfg80211_bss_frame_type ftype)
+ enum nl80211_bss_scan_width scan_width)
{
u32 freq;
int channel_number;
struct ieee80211_channel *alt_channel;
channel_number = cfg80211_get_ies_channel_number(ie, ielen,
- channel->band, ftype);
+ channel->band);
if (channel_number < 0) {
/* No channel information in frame payload */
@@ -1888,22 +1884,21 @@ cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
freq = ieee80211_channel_to_freq_khz(channel_number, channel->band);
/*
- * In 6GHz, duplicated beacon indication is relevant for
- * beacons only.
+ * Frame info (beacon/prob res) is the same as received channel,
+ * no need for further processing.
*/
- if (channel->band == NL80211_BAND_6GHZ &&
- (freq == channel->center_freq ||
- abs(freq - channel->center_freq) > 80))
+ if (freq == ieee80211_channel_to_khz(channel))
return channel;
alt_channel = ieee80211_get_channel_khz(wiphy, freq);
if (!alt_channel) {
- if (channel->band == NL80211_BAND_2GHZ) {
+ if (channel->band == NL80211_BAND_2GHZ ||
+ channel->band == NL80211_BAND_6GHZ) {
/*
* Better not allow unexpected channels when that could
* be going beyond the 1-11 range (e.g., discovering
* BSS on channel 12 when radio is configured for
- * channel 11.
+ * channel 11) or beyond the 6 GHz channel range.
*/
return NULL;
}
@@ -1957,7 +1952,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
return NULL;
channel = cfg80211_get_bss_channel(wiphy, ie, ielen, data->chan,
- data->scan_width, ftype);
+ data->scan_width);
if (!channel)
return NULL;
@@ -2391,7 +2386,6 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
size_t ielen, min_hdr_len = offsetof(struct ieee80211_mgmt,
u.probe_resp.variable);
int bss_type;
- enum cfg80211_bss_frame_type ftype;
BUILD_BUG_ON(offsetof(struct ieee80211_mgmt, u.probe_resp.variable) !=
offsetof(struct ieee80211_mgmt, u.beacon.variable));
@@ -2428,16 +2422,8 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
variable = ext->u.s1g_beacon.variable;
}
- if (ieee80211_is_beacon(mgmt->frame_control))
- ftype = CFG80211_BSS_FTYPE_BEACON;
- else if (ieee80211_is_probe_resp(mgmt->frame_control))
- ftype = CFG80211_BSS_FTYPE_PRESP;
- else
- ftype = CFG80211_BSS_FTYPE_UNKNOWN;
-
channel = cfg80211_get_bss_channel(wiphy, variable,
- ielen, data->chan, data->scan_width,
- ftype);
+ ielen, data->chan, data->scan_width);
if (!channel)
return NULL;