wil6210: fix for broadcast workaround in PBSS

Currently we do not have full support for broadcast from
a station inside a PBSS network.
We have a workaround where instead of broadcast we do a
unicast to every known station in the PBSS.
This workaround was performed only for P2P clients.
This fix will perform the broadcast workaround also for a
regular station inside a PBSS.

Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
index f8499a8..9a92790 100644 (file)
--- a/drivers/net/wireless/ath/wil6210/cfg80211.c
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -601,6 +601,7 @@ static int wil_cfg80211_connect(struct wiphy *wiphy,
                goto out;
        }
        wil->privacy = sme->privacy;
+       wil->pbss = sme->pbss;
 
        if (wil->privacy) {
                /* For secure assoc, remove old keys */

diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index 6e7dc8d..1311688 100644 (file)
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -1195,17 +1195,6 @@ found:
        return v;
 }
 
-static struct vring *wil_find_tx_bcast(struct wil6210_priv *wil,
-                                      struct sk_buff *skb)
-{
-       struct wireless_dev *wdev = wil->wdev;
-
-       if (wdev->iftype != NL80211_IFTYPE_AP)
-               return wil_find_tx_bcast_2(wil, skb);
-
-       return wil_find_tx_bcast_1(wil, skb);
-}
-
 static int wil_tx_desc_map(struct vring_tx_desc *d, dma_addr_t pa, u32 len,
                           int vring_index)
 {
@@ -1905,12 +1894,26 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
        pr_once_fw = false;
 
        /* find vring */
-       if (wil->wdev->iftype == NL80211_IFTYPE_STATION) {
-               /* in STA mode (ESS), all to same VRING */
+       if (wil->wdev->iftype == NL80211_IFTYPE_STATION && !wil->pbss) {
+               /* in STA mode (ESS), all to same VRING (to AP) */
                vring = wil_find_tx_vring_sta(wil, skb);
-       } else { /* direct communication, find matching VRING */
-               vring = bcast ? wil_find_tx_bcast(wil, skb) :
-                               wil_find_tx_ucast(wil, skb);
+       } else if (bcast) {
+               if (wil->pbss)
+                       /* in pbss, no bcast VRING - duplicate skb in
+                        * all stations VRINGs
+                        */
+                       vring = wil_find_tx_bcast_2(wil, skb);
+               else if (wil->wdev->iftype == NL80211_IFTYPE_AP)
+                       /* AP has a dedicated bcast VRING */
+                       vring = wil_find_tx_bcast_1(wil, skb);
+               else
+                       /* unexpected combination, fallback to duplicating
+                        * the skb in all stations VRINGs
+                        */
+                       vring = wil_find_tx_bcast_2(wil, skb);
+       } else {
+               /* unicast, find specific VRING by dest. address */
+               vring = wil_find_tx_ucast(wil, skb);
        }
        if (unlikely(!vring)) {
                wil_dbg_txrx(wil, "No Tx VRING found for %pM\n", eth->h_dest);