From 88e65fc33752f54dfbabc766de15f3be6989f1d1 Mon Sep 17 00:00:00 2001 From: Michal Kazior Date: Fri, 13 Sep 2013 14:16:53 +0200 Subject: [PATCH] ath10k: add HTC TX credits replenishing notification This will allow higher layers to anticipate and act upon TX credits renewal. This will be important for some future rework of WMI command submission. Signed-off-by: Michal Kazior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htc.c | 9 +++++++++ drivers/net/wireless/ath/ath10k/htc.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c index 1da0f828f458..49da4e509084 100644 --- a/drivers/net/wireless/ath/ath10k/htc.c +++ b/drivers/net/wireless/ath/ath10k/htc.c @@ -150,6 +150,9 @@ err: ep->tx_credits += credits; spin_unlock_bh(&htc->tx_lock); + if (ep->ep_ops.ep_tx_credits) + ep->ep_ops.ep_tx_credits(htc->ar); + /* this is the simplest way to handle out-of-resources for non-credit * based endpoints. credit based endpoints can still get -ENOSR, but * this is highly unlikely as credit reservation should prevent that */ @@ -302,6 +305,12 @@ ath10k_htc_process_credit_report(struct ath10k_htc *htc, ep = &htc->endpoint[report->eid]; ep->tx_credits += report->credits; + if (ep->ep_ops.ep_tx_credits) { + spin_unlock_bh(&htc->tx_lock); + ep->ep_ops.ep_tx_credits(htc->ar); + spin_lock_bh(&htc->tx_lock); + } + if (ep->tx_credits && !skb_queue_empty(&ep->tx_queue)) queue_work(htc->ar->workqueue, &ep->send_work); } diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h index e1dd8c761853..92ca29bf9620 100644 --- a/drivers/net/wireless/ath/ath10k/htc.h +++ b/drivers/net/wireless/ath/ath10k/htc.h @@ -276,6 +276,7 @@ struct ath10k_htc_ops { struct ath10k_htc_ep_ops { void (*ep_tx_complete)(struct ath10k *, struct sk_buff *); void (*ep_rx_complete)(struct ath10k *, struct sk_buff *); + void (*ep_tx_credits)(struct ath10k *); }; /* service connection information */ -- 2.20.1