mac80211: send null packet on active (psm) reconfiguration

[mirror_ubuntu-jammy-kernel.git] / net / mac80211 / util.c

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 9919892575f45a94f55e34c474f3f93736755237..d82d886d0867975ec19ffbe3b2615da3e07d37f6 100644 (file)
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -862,8 +862,8 @@ u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
 
 void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
                         u16 transaction, u16 auth_alg,
-                        u8 *extra, size_t extra_len, const u8 *bssid,
-                        const u8 *key, u8 key_len, u8 key_idx)
+                        u8 *extra, size_t extra_len, const u8 *da,
+                        const u8 *bssid, const u8 *key, u8 key_len, u8 key_idx)
 {
        struct ieee80211_local *local = sdata->local;
        struct sk_buff *skb;
@@ -881,7 +881,7 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
        memset(mgmt, 0, 24 + 6);
        mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
                                          IEEE80211_STYPE_AUTH);
-       memcpy(mgmt->da, bssid, ETH_ALEN);
+       memcpy(mgmt->da, da, ETH_ALEN);
        memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
        memcpy(mgmt->bssid, bssid, ETH_ALEN);
        mgmt->u.auth.auth_alg = cpu_to_le16(auth_alg);
@@ -1271,6 +1271,21 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 
        ieee80211_recalc_ps(local, -1);
 
+       /*
+        * The sta might be in psm against the ap (e.g. because
+        * this was the state before a hw restart), so we
+        * explicitly send a null packet in order to make sure
+        * it'll sync against the ap (and get out of psm).
+        */
+       if (!(local->hw.conf.flags & IEEE80211_CONF_PS)) {
+               list_for_each_entry(sdata, &local->interfaces, list) {
+                       if (sdata->vif.type != NL80211_IFTYPE_STATION)
+                               continue;
+
+                       ieee80211_send_nullfunc(local, sdata, 0);
+               }
+       }
+
        /*
         * Clear the WLAN_STA_BLOCK_BA flag so new aggregation
         * sessions can be established after a resume.