From 713c8a29e4d869f7ca4cadc8a6ac2c12de532ed9 Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Sun, 25 Jan 2015 10:52:49 +0200 Subject: [PATCH] wil6210: implement skb Tx status reporting Implement Tx status reporting using skb_complete_wifi_ack(). Signed-off-by: Vladimir Kondratiev Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/cfg80211.c | 1 + drivers/net/wireless/ath/wil6210/txrx.c | 19 +++++++++++++++++-- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 6b7664d20d2e..f65da91e1af8 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -858,6 +858,7 @@ static void wil_wiphy_init(struct wiphy *wiphy) wiphy->cipher_suites = wil_cipher_suites; wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); wiphy->mgmt_stypes = wil_mgmt_stypes; + wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; } struct wireless_dev *wil_cfg80211_init(struct device *dev) diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index b58ee52e1860..0499ebcdeff5 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -1121,6 +1121,22 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) return NET_XMIT_DROP; } +static inline bool wil_need_txstat(struct sk_buff *skb) +{ + struct ethhdr *eth = (void *)skb->data; + + return is_unicast_ether_addr(eth->h_dest) && skb->sk && + (skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS); +} + +static inline void wil_consume_skb(struct sk_buff *skb, bool acked) +{ + if (unlikely(wil_need_txstat(skb))) + skb_complete_wifi_ack(skb, acked); + else + acked ? dev_consume_skb_any(skb) : dev_kfree_skb_any(skb); +} + /** * Clean up transmitted skb's from the Tx VRING * @@ -1199,8 +1215,7 @@ int wil_tx_complete(struct wil6210_priv *wil, int ringid) ndev->stats.tx_errors++; stats->tx_errors++; } - - dev_kfree_skb_any(skb); + wil_consume_skb(skb, d->dma.error == 0); } memset(ctx, 0, sizeof(*ctx)); /* There is no need to touch HW descriptor: -- 2.30.2