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Diffstat (limited to 'net/mac80211/scan.c')
-rw-r--r--net/mac80211/scan.c62
1 files changed, 36 insertions, 26 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 8adcb23262f5..bca2a259fda6 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -9,7 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2013-2015 Intel Mobile Communications GmbH
* Copyright 2016-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2023 Intel Corporation
+ * Copyright (C) 2018-2024 Intel Corporation
*/
#include <linux/if_arp.h>
@@ -237,14 +237,18 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
}
static bool ieee80211_scan_accept_presp(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_channel *channel,
u32 scan_flags, const u8 *da)
{
if (!sdata)
return false;
- /* accept broadcast for OCE */
- if (scan_flags & NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP &&
- is_broadcast_ether_addr(da))
+
+ /* accept broadcast on 6 GHz and for OCE */
+ if (is_broadcast_ether_addr(da) &&
+ (channel->band == NL80211_BAND_6GHZ ||
+ scan_flags & NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP))
return true;
+
if (scan_flags & NL80211_SCAN_FLAG_RANDOM_ADDR)
return true;
return ether_addr_equal(da, sdata->vif.addr);
@@ -293,6 +297,12 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
wiphy_delayed_work_queue(local->hw.wiphy, &local->scan_work, 0);
}
+ channel = ieee80211_get_channel_khz(local->hw.wiphy,
+ ieee80211_rx_status_to_khz(rx_status));
+
+ if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
+ return;
+
if (ieee80211_is_probe_resp(mgmt->frame_control)) {
struct cfg80211_scan_request *scan_req;
struct cfg80211_sched_scan_request *sched_scan_req;
@@ -310,19 +320,15 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
/* ignore ProbeResp to foreign address or non-bcast (OCE)
* unless scanning with randomised address
*/
- if (!ieee80211_scan_accept_presp(sdata1, scan_req_flags,
+ if (!ieee80211_scan_accept_presp(sdata1, channel,
+ scan_req_flags,
mgmt->da) &&
- !ieee80211_scan_accept_presp(sdata2, sched_scan_req_flags,
+ !ieee80211_scan_accept_presp(sdata2, channel,
+ sched_scan_req_flags,
mgmt->da))
return;
}
- channel = ieee80211_get_channel_khz(local->hw.wiphy,
- ieee80211_rx_status_to_khz(rx_status));
-
- if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
- return;
-
bss = ieee80211_bss_info_update(local, rx_status,
mgmt, skb->len,
channel);
@@ -394,6 +400,8 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_sub_if_data *sdata)
req->ie, req->ie_len,
bands_used, req->rates, &chandef,
flags);
+ if (ielen < 0)
+ return false;
local->hw_scan_req->req.ie_len = ielen;
local->hw_scan_req->req.no_cck = req->no_cck;
ether_addr_copy(local->hw_scan_req->req.mac_addr, req->mac_addr);
@@ -470,7 +478,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
}
/* Set power back to normal operating levels. */
- ieee80211_hw_config(local, 0);
+ ieee80211_hw_conf_chan(local);
if (!hw_scan && was_scanning) {
ieee80211_configure_filter(local);
@@ -517,7 +525,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
/* Software scan is not supported in multi-channel cases */
- if (local->use_chanctx)
+ if (!local->emulate_chanctx)
return -EOPNOTSUPP;
/*
@@ -547,7 +555,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local,
ieee80211_configure_filter(local);
/* We need to set power level at maximum rate for scanning. */
- ieee80211_hw_config(local, 0);
+ ieee80211_hw_conf_chan(local);
wiphy_delayed_work_queue(local->hw.wiphy, &local->scan_work, 0);
@@ -784,7 +792,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
if (hw_scan) {
__set_bit(SCAN_HW_SCANNING, &local->scanning);
} else if ((req->n_channels == 1) &&
- (req->channels[0] == local->_oper_chandef.chan)) {
+ (req->channels[0] == local->hw.conf.chandef.chan)) {
/*
* If we are scanning only on the operating channel
* then we do not need to stop normal activities
@@ -802,7 +810,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
ieee80211_configure_filter(local); /* accept probe-responses */
/* We need to ensure power level is at max for scanning. */
- ieee80211_hw_config(local, 0);
+ ieee80211_hw_conf_chan(local);
if ((req->channels[0]->flags & (IEEE80211_CHAN_NO_IR |
IEEE80211_CHAN_RADAR)) ||
@@ -967,13 +975,13 @@ static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,
/* If scanning on oper channel, use whatever channel-type
* is currently in use.
*/
- if (chan == local->_oper_chandef.chan)
- local->scan_chandef = local->_oper_chandef;
+ if (chan == local->hw.conf.chandef.chan)
+ local->scan_chandef = local->hw.conf.chandef;
else
local->scan_chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
set_channel:
- if (ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL))
+ if (ieee80211_hw_conf_chan(local))
skip = 1;
/* advance state machine to next channel/band */
@@ -1017,7 +1025,7 @@ static void ieee80211_scan_state_suspend(struct ieee80211_local *local,
{
/* switch back to the operating channel */
local->scan_chandef.chan = NULL;
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+ ieee80211_hw_conf_chan(local);
/* disable PS */
ieee80211_offchannel_return(local);
@@ -1316,10 +1324,12 @@ int __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
ieee80211_prepare_scan_chandef(&chandef);
- ieee80211_build_preq_ies(sdata, ie, num_bands * iebufsz,
- &sched_scan_ies, req->ie,
- req->ie_len, bands_used, rate_masks, &chandef,
- flags);
+ ret = ieee80211_build_preq_ies(sdata, ie, num_bands * iebufsz,
+ &sched_scan_ies, req->ie,
+ req->ie_len, bands_used, rate_masks,
+ &chandef, flags);
+ if (ret < 0)
+ goto error;
ret = drv_sched_scan_start(local, sdata, req, &sched_scan_ies);
if (ret == 0) {
@@ -1327,8 +1337,8 @@ int __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
rcu_assign_pointer(local->sched_scan_req, req);
}
+error:
kfree(ie);
-
out:
if (ret) {
/* Clean in case of failure after HW restart or upon resume. */
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-07 20:09:50 +0000