Return-path: Received: from bombadil.infradead.org ([18.85.46.34]:36895 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754095Ab0GNB10 (ORCPT ); Tue, 13 Jul 2010 21:27:26 -0400 From: "Luis R. Rodriguez" To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, "Luis R. Rodriguez" Subject: [PATCH 2/3] ath9k_htc: implement mac80211 flush op Date: Tue, 13 Jul 2010 21:27:24 -0400 Message-Id: <1279070845-29442-3-git-send-email-lrodriguez@atheros.com> In-Reply-To: <1279070845-29442-1-git-send-email-lrodriguez@atheros.com> References: <1279070845-29442-1-git-send-email-lrodriguez@atheros.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: This implements the mac80211 flush callback to let mac80211 flush the hardware queues when it deems appropriate. Signed-off-by: Luis R. Rodriguez --- drivers/net/wireless/ath/ath9k/htc_drv_main.c | 24 ++++++++++++++++++++++++ 1 files changed, 24 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index e38ca66..fc234a7 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1803,6 +1803,29 @@ static void ath9k_htc_set_coverage_class(struct ieee80211_hw *hw, mutex_unlock(&priv->mutex); } +static void ath9k_htc_flush(struct ieee80211_hw *hw, bool drop) +{ + struct ath9k_htc_priv *priv = hw->priv; + u8 cmd_rsp; + int ret; + + mutex_lock(&priv->mutex); + + if (priv->op_flags & OP_INVALID) + goto err; + + ath9k_htc_ps_wakeup(priv); + + WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); + if (drop) + skb_queue_purge(&priv->tx_queue); + + ath9k_htc_ps_restore(priv); + +err: + mutex_unlock(&priv->mutex); +} + struct ieee80211_ops ath9k_htc_ops = { .tx = ath9k_htc_tx, .start = ath9k_htc_start, @@ -1825,4 +1848,5 @@ struct ieee80211_ops ath9k_htc_ops = { .set_rts_threshold = ath9k_htc_set_rts_threshold, .rfkill_poll = ath9k_htc_rfkill_poll_state, .set_coverage_class = ath9k_htc_set_coverage_class, + .flush = ath9k_htc_flush, }; -- 1.7.0.4