Return-path: Received: from mail-gy0-f174.google.com ([209.85.160.174]:34512 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751414Ab1LSOm7 convert rfc822-to-8bit (ORCPT ); Mon, 19 Dec 2011 09:42:59 -0500 Received: by ghbz12 with SMTP id z12so3502466ghb.19 for ; Mon, 19 Dec 2011 06:42:58 -0800 (PST) From: Sujith MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Message-ID: <20207.19812.522615.450498@gargle.gargle.HOWL> (sfid-20111219_154303_147159_2DE4FA2D) Date: Mon, 19 Dec 2011 20:12:44 +0530 To: =?utf-8?Q?=E6=9D=8E=E5=88=9A?= Cc: "'wireless'" Subject: Question about IEEE80211_TX_CTL_NO_ACK in ath_9k In-Reply-To: <20111219112845.C748820066@mail.watchdata.com.cn> References: <4EED232D.3010208@lwfinger.net> <20111219112845.C748820066@mail.watchdata.com.cn> Sender: linux-wireless-owner@vger.kernel.org List-ID: 李刚 wrote: > Hi everybody! > > My wireless card is AR9280. I set the IEEE80211_TX_CTL_NO_ACK flag before > send a packet, but found it no use. It still wait for an ACK. Then I read > the code, > in ath9k_htc_tx_data(htc_drv_txrx.c) , it seems there is only two flags: > > #define ATH9K_HTC_TX_CTSONLY 0x1 > #define ATH9K_HTC_TX_RTSCTS 0x2 > > None is about ack. > > Does anyone know how to make this flag work properly? > NOACK usage is not handled by ath9k_htc. See: http://linuxwireless.org/en/users/Drivers/ath9k_htc#TODO Sujith