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wifi: cfg80211: Extend support for scanning while MLO connected

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To extend the support of TSF accounting in scan results for MLO
connections, allow to indicate in the scan request the link ID
corresponding to the BSS whose TSF should be used for the TSF
accounting.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231113112844.d4490bcdefb1.I8fcd158b810adddef4963727e9153096416b30ce@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2023-11-13 11:35:00 +02:00 committed by Johannes Berg
parent d3ca4ab4f1
commit 6285ee30ca
3 changed files with 9 additions and 3 deletions
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3
include/net/cfg80211.h
View file

@ -2608,6 +2608,8 @@ struct cfg80211_scan_6ghz_params {
* @n_6ghz_params: number of 6 GHz params
* @scan_6ghz_params: 6 GHz params
* @bssid: BSSID to scan for (most commonly, the wildcard BSSID)
* @tsf_report_link_id: for MLO, indicates the link ID of the BSS that should be
* used for TSF reporting. Can be set to -1 to indicate no preference.
*/
struct cfg80211_scan_request {
struct cfg80211_ssid *ssids;
@ -2636,6 +2638,7 @@ struct cfg80211_scan_request {
bool scan_6ghz;
u32 n_6ghz_params;
struct cfg80211_scan_6ghz_params *scan_6ghz_params;
s8 tsf_report_link_id;
/* keep last */
struct ieee80211_channel *channels[] __counted_by(n_channels);

8
include/uapi/linux/nl80211.h
View file

@ -6241,9 +6241,11 @@ enum nl80211_feature_flags {
* the BSS that the interface that requested the scan is connected to
* (if available).
* @NL80211_EXT_FEATURE_BSS_PARENT_TSF: Per BSS, this driver reports the
* time the last beacon/probe was received. The time is the TSF of the
* BSS that the interface that requested the scan is connected to
* (if available).
* time the last beacon/probe was received. For a non MLO connection, the
* time is the TSF of the BSS that the interface that requested the scan is
* connected to (if available). For an MLO connection, the time is the TSF
* of the BSS corresponding with link ID specified in the scan request (if
* specified).
* @NL80211_EXT_FEATURE_SET_SCAN_DWELL: This driver supports configuration of
* channel dwell time.
* @NL80211_EXT_FEATURE_BEACON_RATE_LEGACY: Driver supports beacon rate

1
net/wireless/nl80211.c
View file

@ -9337,6 +9337,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
else
eth_broadcast_addr(request->bssid);
request->tsf_report_link_id = nl80211_link_id_or_invalid(info->attrs);
request->wdev = wdev;
request->wiphy = &rdev->wiphy;
request->scan_start = jiffies;