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Diffstat (limited to 'net/mac80211/scan.c')
-rw-r--r--net/mac80211/scan.c52
1 files changed, 45 insertions, 7 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index fca3f67ac0..f9d5842601 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -194,11 +194,32 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
if (scan_sdata && scan_sdata->vif.type == NL80211_IFTYPE_STATION &&
scan_sdata->vif.cfg.assoc &&
ieee80211_have_rx_timestamp(rx_status)) {
- bss_meta.parent_tsf =
- ieee80211_calculate_rx_timestamp(local, rx_status,
- len + FCS_LEN, 24);
- ether_addr_copy(bss_meta.parent_bssid,
- scan_sdata->vif.bss_conf.bssid);
+ struct ieee80211_bss_conf *link_conf = NULL;
+
+ /* for an MLO connection, set the TSF data only in case we have
+ * an indication on which of the links the frame was received
+ */
+ if (ieee80211_vif_is_mld(&scan_sdata->vif)) {
+ if (rx_status->link_valid) {
+ s8 link_id = rx_status->link_id;
+
+ link_conf =
+ rcu_dereference(scan_sdata->vif.link_conf[link_id]);
+ }
+ } else {
+ link_conf = &scan_sdata->vif.bss_conf;
+ }
+
+ if (link_conf) {
+ bss_meta.parent_tsf =
+ ieee80211_calculate_rx_timestamp(local,
+ rx_status,
+ len + FCS_LEN,
+ 24);
+
+ ether_addr_copy(bss_meta.parent_bssid,
+ link_conf->bssid);
+ }
}
rcu_read_unlock();
@@ -672,6 +693,21 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
if (local->scan_req)
return -EBUSY;
+ /* For an MLO connection, if a link ID was specified, validate that it
+ * is indeed active. If no link ID was specified, select one of the
+ * active links.
+ */
+ if (ieee80211_vif_is_mld(&sdata->vif)) {
+ if (req->tsf_report_link_id >= 0) {
+ if (!(sdata->vif.active_links &
+ BIT(req->tsf_report_link_id)))
+ return -EINVAL;
+ } else {
+ req->tsf_report_link_id =
+ __ffs(sdata->vif.active_links);
+ }
+ }
+
if (!__ieee80211_can_leave_ch(sdata))
return -EBUSY;
@@ -720,6 +756,8 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
local->hw_scan_req->req.duration = req->duration;
local->hw_scan_req->req.duration_mandatory =
req->duration_mandatory;
+ local->hw_scan_req->req.tsf_report_link_id =
+ req->tsf_report_link_id;
local->hw_scan_band = 0;
local->hw_scan_req->req.n_6ghz_params = req->n_6ghz_params;
@@ -1257,7 +1295,7 @@ int __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
iebufsz = local->scan_ies_len + req->ie_len;
if (!local->ops->sched_scan_start)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
for (i = 0; i < NUM_NL80211_BANDS; i++) {
if (local->hw.wiphy->bands[i]) {
@@ -1322,7 +1360,7 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_local *local)
lockdep_assert_wiphy(local->hw.wiphy);
if (!local->ops->sched_scan_stop)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
/* We don't want to restart sched scan anymore. */
RCU_INIT_POINTER(local->sched_scan_req, NULL);