mirror of
https://github.com/Telecominfraproject/wlan-ap.git
synced 2025-12-23 20:31:59 +00:00
205 lines
6.1 KiB
Diff
205 lines
6.1 KiB
Diff
--- a/include/net/cfg80211.h
|
|
+++ b/include/net/cfg80211.h
|
|
@@ -2261,6 +2261,7 @@ struct cfg80211_scan_6ghz_params {
|
|
* @channels: channels to scan on.
|
|
* @n_channels: total number of channels to scan
|
|
* @scan_width: channel width for scanning
|
|
+ * @chandef: defines the channel to do wide band scan
|
|
* @ie: optional information element(s) to add into Probe Request or %NULL
|
|
* @ie_len: length of ie in octets
|
|
* @duration: how long to listen on each channel, in TUs. If
|
|
@@ -2291,6 +2292,7 @@ struct cfg80211_scan_request {
|
|
int n_ssids;
|
|
u32 n_channels;
|
|
enum nl80211_bss_scan_width scan_width;
|
|
+ struct cfg80211_chan_def *chandef;
|
|
const u8 *ie;
|
|
size_t ie_len;
|
|
u16 duration;
|
|
--- a/include/uapi/linux/nl80211.h
|
|
+++ b/include/uapi/linux/nl80211.h
|
|
@@ -6079,6 +6079,9 @@ enum nl80211_feature_flags {
|
|
* @NL80211_EXT_FEATURE_RADAR_BACKGROUND: Device supports background radar/CAC
|
|
* detection.
|
|
*
|
|
+ * @NL80211_EXT_FEATURE_WIDE_BAND_SCAN: Driver/device supports wide band scan
|
|
+ * on a frequency along with its corresponding phymode (40Mhz, 80Mhz)
|
|
+ *
|
|
* @NUM_NL80211_EXT_FEATURES: number of extended features.
|
|
* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
|
|
*/
|
|
@@ -6145,6 +6148,7 @@ enum nl80211_ext_feature_index {
|
|
NL80211_EXT_FEATURE_PROT_RANGE_NEGO_AND_MEASURE,
|
|
NL80211_EXT_FEATURE_BSS_COLOR,
|
|
NL80211_EXT_FEATURE_FILS_CRYPTO_OFFLOAD,
|
|
+ NL80211_EXT_FEATURE_WIDE_BAND_SCAN,
|
|
NL80211_EXT_FEATURE_RADAR_BACKGROUND,
|
|
|
|
/* add new features before the definition below */
|
|
@@ -6262,6 +6266,8 @@ enum nl80211_timeout_reason {
|
|
* %NL80211_ATTR_SCAN_FREQUENCIES will not be included.
|
|
* @NL80211_SCAN_FLAG_COLOCATED_6GHZ: scan for colocated APs reported by
|
|
* 2.4/5 GHz APs
|
|
+ * @NL80211_SCAN_FLAG_WIDE_BAND_SCAN: This flag intends the driver to perform
|
|
+ * wide band scan only if the driver supports it.
|
|
*/
|
|
enum nl80211_scan_flags {
|
|
NL80211_SCAN_FLAG_LOW_PRIORITY = 1<<0,
|
|
@@ -6279,6 +6285,7 @@ enum nl80211_scan_flags {
|
|
NL80211_SCAN_FLAG_MIN_PREQ_CONTENT = 1<<12,
|
|
NL80211_SCAN_FLAG_FREQ_KHZ = 1<<13,
|
|
NL80211_SCAN_FLAG_COLOCATED_6GHZ = 1<<14,
|
|
+ NL80211_SCAN_FLAG_WIDE_BAND_SCAN = 1<<15,
|
|
};
|
|
|
|
/**
|
|
--- a/net/mac80211/scan.c
|
|
+++ b/net/mac80211/scan.c
|
|
@@ -718,11 +718,13 @@ static int __ieee80211_start_scan(struct
|
|
|
|
local->hw_scan_req = kmalloc(
|
|
sizeof(*local->hw_scan_req) +
|
|
+ sizeof(*req->chandef) +
|
|
req->n_channels * sizeof(req->channels[0]) +
|
|
local->hw_scan_ies_bufsize, GFP_KERNEL);
|
|
if (!local->hw_scan_req)
|
|
return -ENOMEM;
|
|
|
|
+ local->hw_scan_req->req.chandef = req->chandef;
|
|
local->hw_scan_req->req.ssids = req->ssids;
|
|
local->hw_scan_req->req.n_ssids = req->n_ssids;
|
|
ies = (u8 *)local->hw_scan_req +
|
|
--- a/net/wireless/nl80211.c
|
|
+++ b/net/wireless/nl80211.c
|
|
@@ -8462,7 +8462,10 @@ nl80211_check_scan_flags(struct wiphy *w
|
|
NL80211_EXT_FEATURE_SCAN_RANDOM_SN) ||
|
|
!nl80211_check_scan_feat(wiphy, *flags,
|
|
NL80211_SCAN_FLAG_MIN_PREQ_CONTENT,
|
|
- NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT))
|
|
+ NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT) ||
|
|
+ !nl80211_check_scan_feat(wiphy, *flags,
|
|
+ NL80211_SCAN_FLAG_WIDE_BAND_SCAN,
|
|
+ NL80211_EXT_FEATURE_WIDE_BAND_SCAN))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
|
|
@@ -8487,10 +8490,12 @@ static int nl80211_trigger_scan(struct s
|
|
struct cfg80211_scan_request *request;
|
|
struct nlattr *scan_freqs = NULL;
|
|
bool scan_freqs_khz = false;
|
|
+ struct cfg80211_chan_def chandef;
|
|
struct nlattr *attr;
|
|
struct wiphy *wiphy;
|
|
- int err, tmp, n_ssids = 0, n_channels, i;
|
|
+ int err, tmp, n_ssids = 0, n_channels = 0, i;
|
|
size_t ie_len;
|
|
+ bool chandef_found = false;
|
|
|
|
wiphy = &rdev->wiphy;
|
|
|
|
@@ -8503,7 +8508,12 @@ static int nl80211_trigger_scan(struct s
|
|
if (rdev->scan_req || rdev->scan_msg)
|
|
return -EBUSY;
|
|
|
|
- if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
|
|
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
|
|
+ if (nl80211_parse_chandef(rdev, info, &chandef)) {
|
|
+ return -EINVAL;
|
|
+ }
|
|
+ chandef_found = true;
|
|
+ } else if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
|
|
if (!wiphy_ext_feature_isset(wiphy,
|
|
NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
|
|
return -EOPNOTSUPP;
|
|
@@ -8516,6 +8526,8 @@ static int nl80211_trigger_scan(struct s
|
|
n_channels = validate_scan_freqs(scan_freqs);
|
|
if (!n_channels)
|
|
return -EINVAL;
|
|
+ } else if (chandef_found) {
|
|
+ n_channels = 1;
|
|
} else {
|
|
n_channels = ieee80211_get_num_supported_channels(wiphy);
|
|
}
|
|
@@ -8536,12 +8548,19 @@ static int nl80211_trigger_scan(struct s
|
|
return -EINVAL;
|
|
|
|
request = kzalloc(sizeof(*request)
|
|
+ + sizeof(*request->chandef)
|
|
+ sizeof(*request->ssids) * n_ssids
|
|
+ sizeof(*request->channels) * n_channels
|
|
+ ie_len, GFP_KERNEL);
|
|
if (!request)
|
|
return -ENOMEM;
|
|
|
|
+ if (chandef_found) {
|
|
+ request->chandef = &chandef;
|
|
+ request->channels[0] = chandef.chan;
|
|
+ request->n_channels = n_channels;
|
|
+ }
|
|
+
|
|
if (n_ssids)
|
|
request->ssids = (void *)&request->channels[n_channels];
|
|
request->n_ssids = n_ssids;
|
|
@@ -8575,7 +8594,7 @@ static int nl80211_trigger_scan(struct s
|
|
request->channels[i] = chan;
|
|
i++;
|
|
}
|
|
- } else {
|
|
+ } else if (!chandef_found) {
|
|
enum nl80211_band band;
|
|
|
|
/* all channels */
|
|
@@ -8598,31 +8617,32 @@ static int nl80211_trigger_scan(struct s
|
|
}
|
|
}
|
|
|
|
- if (!i) {
|
|
- err = -EINVAL;
|
|
- goto out_free;
|
|
- }
|
|
-
|
|
- request->n_channels = i;
|
|
-
|
|
- wdev_lock(wdev);
|
|
- if (!cfg80211_off_channel_oper_allowed(wdev)) {
|
|
- struct ieee80211_channel *chan;
|
|
-
|
|
- if (request->n_channels != 1) {
|
|
- wdev_unlock(wdev);
|
|
- err = -EBUSY;
|
|
+ if (!chandef_found) {
|
|
+ if (!i) {
|
|
+ err = -EINVAL;
|
|
goto out_free;
|
|
}
|
|
+ request->n_channels = i;
|
|
|
|
- chan = request->channels[0];
|
|
- if (chan->center_freq != wdev->chandef.chan->center_freq) {
|
|
- wdev_unlock(wdev);
|
|
- err = -EBUSY;
|
|
- goto out_free;
|
|
+ wdev_lock(wdev);
|
|
+ if (!cfg80211_off_channel_oper_allowed(wdev)) {
|
|
+ struct ieee80211_channel *chan;
|
|
+
|
|
+ if (request->n_channels != 1) {
|
|
+ wdev_unlock(wdev);
|
|
+ err = -EBUSY;
|
|
+ goto out_free;
|
|
+ }
|
|
+
|
|
+ chan = request->channels[0];
|
|
+ if (chan->center_freq != wdev->chandef.chan->center_freq) {
|
|
+ wdev_unlock(wdev);
|
|
+ err = -EBUSY;
|
|
+ goto out_free;
|
|
+ }
|
|
}
|
|
+ wdev_unlock(wdev);
|
|
}
|
|
- wdev_unlock(wdev);
|
|
|
|
i = 0;
|
|
if (n_ssids) {
|