Revert "ath10k: drop beacon and probe response which leak from other channel"

commit 45b4eb7ee6aa1a55a50831b328aa5f46ac3a7187 upstream.

This reverts commit 3bf2537ec2e33310b431b53fd84be8833736c256.

I was reported privately that this commit breaks AP and mesh mode on QCA9984
(firmware 10.4-3.9.0.2-00156). So revert the commit to fix the regression.

There was a conflict due to cfg80211 API changes but that was easy to fix.

Fixes: 3bf2537ec2e3 ("ath10k: drop beacon and probe response which leak from other channel")
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220315155455.20446-1-kvalo@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 4733fd7fb169e334d9c8d4033087b37de6fa1099..7c1c2658cb5f8c170e8c0944e9afba63a685d2bd 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -2611,30 +2611,9 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb)
                ath10k_mac_handle_beacon(ar, skb);
 
        if (ieee80211_is_beacon(hdr->frame_control) ||
-           ieee80211_is_probe_resp(hdr->frame_control)) {
-               struct ieee80211_mgmt *mgmt = (void *)skb->data;
-               u8 *ies;
-               int ies_ch;
-
+           ieee80211_is_probe_resp(hdr->frame_control))
                status->boottime_ns = ktime_get_boottime_ns();
 
-               if (!ar->scan_channel)
-                       goto drop;
-
-               ies = mgmt->u.beacon.variable;
-
-               ies_ch = cfg80211_get_ies_channel_number(mgmt->u.beacon.variable,
-                                                        skb_tail_pointer(skb) - ies,
-                                                        sband->band);
-
-               if (ies_ch > 0 && ies_ch != channel) {
-                       ath10k_dbg(ar, ATH10K_DBG_MGMT,
-                                  "channel mismatched ds channel %d scan channel %d\n",
-                                  ies_ch, channel);
-                       goto drop;
-               }
-       }
-
        ath10k_dbg(ar, ATH10K_DBG_MGMT,
                   "event mgmt rx skb %pK len %d ftype %02x stype %02x\n",
                   skb, skb->len,
@@ -2648,10 +2627,6 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb)
        ieee80211_rx_ni(ar->hw, skb);
 
        return 0;
-
-drop:
-       dev_kfree_skb(skb);
-       return 0;
 }
 
 static int freq_to_idx(struct ath10k *ar, int freq)