From owner-svn-src-all@FreeBSD.ORG Thu Jul 31 23:15:00 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 689ACEE5; Thu, 31 Jul 2014 23:15:00 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4AF2827E1; Thu, 31 Jul 2014 23:15:00 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id s6VNF0Ru072173; Thu, 31 Jul 2014 23:15:00 GMT (envelope-from np@svn.freebsd.org) Received: (from np@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id s6VNExRG072151; Thu, 31 Jul 2014 23:14:59 GMT (envelope-from np@svn.freebsd.org) Message-Id: <201407312314.s6VNExRG072151@svn.freebsd.org> From: Navdeep Parhar Date: Thu, 31 Jul 2014 23:14:59 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r269358 - stable/9/sys/dev/cxgbe X-SVN-Group: stable-9 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: 2.1.18 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: Thu, 31 Jul 2014 23:15:00 -0000 Author: np Date: Thu Jul 31 23:14:59 2014 New Revision: 269358 URL: http://svnweb.freebsd.org/changeset/base/269358 Log: MFC r268971: Simplify r267600, there's no need to distinguish between allocated and inlined mbufs. Modified: stable/9/sys/dev/cxgbe/adapter.h stable/9/sys/dev/cxgbe/t4_sge.c Directory Properties: stable/9/sys/ (props changed) stable/9/sys/dev/ (props changed) Modified: stable/9/sys/dev/cxgbe/adapter.h ============================================================================== --- stable/9/sys/dev/cxgbe/adapter.h Thu Jul 31 23:09:22 2014 (r269357) +++ stable/9/sys/dev/cxgbe/adapter.h Thu Jul 31 23:14:59 2014 (r269358) @@ -253,8 +253,7 @@ struct cluster_metadata { struct fl_sdesc { caddr_t cl; - uint8_t nimbuf; /* # of inline mbufs with ref on the cluster */ - uint8_t nembuf; /* # of allocated mbufs with ref */ + uint16_t nmbuf; /* # of driver originated mbufs with ref on cluster */ struct cluster_layout cll; }; Modified: stable/9/sys/dev/cxgbe/t4_sge.c ============================================================================== --- stable/9/sys/dev/cxgbe/t4_sge.c Thu Jul 31 23:09:22 2014 (r269357) +++ stable/9/sys/dev/cxgbe/t4_sge.c Thu Jul 31 23:14:59 2014 (r269358) @@ -1469,7 +1469,7 @@ get_scatter_segment(struct adapter *sc, /* copy data to mbuf */ bcopy(payload, mtod(m, caddr_t), len); - } else if (sd->nimbuf * MSIZE < cll->region1) { + } else if (sd->nmbuf * MSIZE < cll->region1) { /* * There's spare room in the cluster for an mbuf. Create one @@ -1477,14 +1477,14 @@ get_scatter_segment(struct adapter *sc, */ MPASS(clm != NULL); - m = (struct mbuf *)(sd->cl + sd->nimbuf * MSIZE); + m = (struct mbuf *)(sd->cl + sd->nmbuf * MSIZE); /* No bzero required */ if (m_init(m, NULL, 0, M_NOWAIT, MT_DATA, flags | M_NOFREE)) return (NULL); fl->mbuf_inlined++; m_extaddref(m, payload, padded_len, &clm->refcount, rxb_free, swz->zone, sd->cl); - sd->nimbuf++; + sd->nmbuf++; } else { @@ -1501,7 +1501,7 @@ get_scatter_segment(struct adapter *sc, if (clm != NULL) { m_extaddref(m, payload, padded_len, &clm->refcount, rxb_free, swz->zone, sd->cl); - sd->nembuf++; + sd->nmbuf++; } else { m_cljset(m, sd->cl, swz->type); sd->cl = NULL; /* consumed, not a recycle candidate */ @@ -3026,7 +3026,7 @@ refill_fl(struct adapter *sc, struct sge if (sd->cl != NULL) { - if (sd->nimbuf + sd->nembuf == 0) { + if (sd->nmbuf == 0) { /* * Fast recycle without involving any atomics on * the cluster's metadata (if the cluster has @@ -3085,8 +3085,7 @@ recycled: #endif clm->refcount = 1; } - sd->nimbuf = 0; - sd->nembuf = 0; + sd->nmbuf = 0; recycled_fast: fl->pending++; fl->needed--; @@ -3155,7 +3154,7 @@ free_fl_sdesc(struct adapter *sc, struct cll = &sd->cll; clm = cl_metadata(sc, fl, cll, sd->cl); - if (sd->nimbuf + sd->nembuf == 0 || + if (sd->nmbuf == 0 || (clm && atomic_fetchadd_int(&clm->refcount, -1) == 1)) { uma_zfree(sc->sge.sw_zone_info[cll->zidx].zone, sd->cl); }