From owner-svn-src-all@FreeBSD.ORG Wed Feb 20 11:14:56 2013 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 2FC553E7; Wed, 20 Feb 2013 11:14:56 +0000 (UTC) (envelope-from adrian@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) by mx1.freebsd.org (Postfix) with ESMTP id 17F79820; Wed, 20 Feb 2013 11:14:56 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.5/8.14.5) with ESMTP id r1KBEtCw046218; Wed, 20 Feb 2013 11:14:55 GMT (envelope-from adrian@svn.freebsd.org) Received: (from adrian@localhost) by svn.freebsd.org (8.14.5/8.14.5/Submit) id r1KBEtg2046217; Wed, 20 Feb 2013 11:14:55 GMT (envelope-from adrian@svn.freebsd.org) Message-Id: <201302201114.r1KBEtg2046217@svn.freebsd.org> From: Adrian Chadd Date: Wed, 20 Feb 2013 11:14:55 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r247025 - head/sys/dev/ath X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Feb 2013 11:14:56 -0000 Author: adrian Date: Wed Feb 20 11:14:55 2013 New Revision: 247025 URL: http://svnweb.freebsd.org/changeset/base/247025 Log: CFG_ERR, DATA_UNDERRUN and DELIM_UNDERRUN are all flags, rather than part of ts_status. Thus: * make sure we decode them from ts_flags, rather than ts_status; * make sure we decode them regardless of whether there's an error or not. This correctly exposes descriptor configuration errors, TX delimiter underruns and TX data underruns. Modified: head/sys/dev/ath/if_ath.c Modified: head/sys/dev/ath/if_ath.c ============================================================================== --- head/sys/dev/ath/if_ath.c Wed Feb 20 10:58:42 2013 (r247024) +++ head/sys/dev/ath/if_ath.c Wed Feb 20 11:14:55 2013 (r247025) @@ -3581,17 +3581,24 @@ ath_tx_update_stats(struct ath_softc *sc if (ts->ts_status & HAL_TXERR_TIMER_EXPIRED) sc->sc_stats.ast_tx_timerexpired++; - if (ts->ts_status & HAL_TX_DATA_UNDERRUN) - sc->sc_stats.ast_tx_data_underrun++; - if (ts->ts_status & HAL_TX_DELIM_UNDERRUN) - sc->sc_stats.ast_tx_delim_underrun++; - if (bf->bf_m->m_flags & M_FF) sc->sc_stats.ast_ff_txerr++; } /* XXX when is this valid? */ - if (ts->ts_status & HAL_TX_DESC_CFG_ERR) + if (ts->ts_flags & HAL_TX_DESC_CFG_ERR) sc->sc_stats.ast_tx_desccfgerr++; + /* + * This can be valid for successful frame transmission! + * If there's a TX FIFO underrun during aggregate transmission, + * the MAC will pad the rest of the aggregate with delimiters. + * If a BA is returned, the frame is marked as "OK" and it's up + * to the TX completion code to notice which frames weren't + * successfully transmitted. + */ + if (ts->ts_flags & HAL_TX_DATA_UNDERRUN) + sc->sc_stats.ast_tx_data_underrun++; + if (ts->ts_flags & HAL_TX_DELIM_UNDERRUN) + sc->sc_stats.ast_tx_delim_underrun++; sr = ts->ts_shortretry; lr = ts->ts_longretry;