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authorLior David <qca_liord@qca.qualcomm.com>2017-01-20 13:49:50 +0200
committerKalle Valo <kvalo@qca.qualcomm.com>2017-01-27 19:49:47 +0200
commita895cb8b990c12945b70f70d9e0798d587d507c0 (patch)
tree41a812fc3b0aa19fdc18865ee8d13f10644eeb7d /drivers/net/wireless/ath/wil6210
parent3ee908dc3b48fa0a5be2883362d36e085b6b52f4 (diff)
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>
Diffstat (limited to 'drivers/net/wireless/ath/wil6210')
-rw-r--r--drivers/net/wireless/ath/wil6210/cfg80211.c1
-rw-r--r--drivers/net/wireless/ath/wil6210/txrx.c35
2 files changed, 20 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
index f8499a823662..9a9279092a5d 100644
--- 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 6e7dc8d98219..1311688554ee 100644
--- 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);