Return-path: Received: from wolverine02.qualcomm.com ([199.106.114.251]:57758 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751735AbdALNPV (ORCPT ); Thu, 12 Jan 2017 08:15:21 -0500 From: Maya Erez To: Kalle Valo Cc: Lior David , linux-wireless@vger.kernel.org, wil6210@qca.qualcomm.com, Maya Erez Subject: [PATCH v2 08/13] wil6210: fix for broadcast workaround in PBSS Date: Thu, 12 Jan 2017 15:06:00 +0200 Message-Id: <1484226365-10433-9-git-send-email-qca_merez@qca.qualcomm.com> (sfid-20170112_141534_098124_FBFBB2A2) In-Reply-To: <1484226365-10433-1-git-send-email-qca_merez@qca.qualcomm.com> References: <1484226365-10433-1-git-send-email-qca_merez@qca.qualcomm.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Lior David 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 Signed-off-by: Maya Erez --- drivers/net/wireless/ath/wil6210/cfg80211.c | 1 + drivers/net/wireless/ath/wil6210/txrx.c | 35 ++++++++++++++++------------- 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 f8499a8..9a92790 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 6e7dc8d..1311688 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -1195,17 +1195,6 @@ static struct vring *wil_find_tx_bcast_2(struct wil6210_priv *wil, 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); -- 1.9.1