From owner-svn-src-head@FreeBSD.ORG Thu Nov 19 23:12:44 2009 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8F2B41065700; Thu, 19 Nov 2009 23:12:44 +0000 (UTC) (envelope-from yongari@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 637558FC0C; Thu, 19 Nov 2009 23:12:44 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id nAJNCidf023013; Thu, 19 Nov 2009 23:12:44 GMT (envelope-from yongari@svn.freebsd.org) Received: (from yongari@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id nAJNCisS023011; Thu, 19 Nov 2009 23:12:44 GMT (envelope-from yongari@svn.freebsd.org) Message-Id: <200911192312.nAJNCisS023011@svn.freebsd.org> From: Pyun YongHyeon Date: Thu, 19 Nov 2009 23:12:44 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r199564 - head/sys/dev/re X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Nov 2009 23:12:44 -0000 Author: yongari Date: Thu Nov 19 23:12:44 2009 New Revision: 199564 URL: http://svn.freebsd.org/changeset/base/199564 Log: Minimize interface reinitialization by checking IFF_DRV_RUNNING flag. This fixes unnecessary interface UP/DOWNs during getting an IP address via DHCP. Tested by: Warren Block ( wblock<> wonkity dot com ) Modified: head/sys/dev/re/if_re.c Modified: head/sys/dev/re/if_re.c ============================================================================== --- head/sys/dev/re/if_re.c Thu Nov 19 22:59:52 2009 (r199563) +++ head/sys/dev/re/if_re.c Thu Nov 19 23:12:44 2009 (r199564) @@ -753,6 +753,7 @@ re_diag(struct rl_softc *sc) ifp->if_flags |= IFF_PROMISC; sc->rl_testmode = 1; + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; re_init_locked(sc); sc->rl_flags |= RL_FLAG_LINK; if (sc->rl_type == RL_8169) @@ -2145,8 +2146,10 @@ re_poll_locked(struct ifnet *ifp, enum p * XXX check behaviour on receiver stalls. */ - if (status & RL_ISR_SYSTEM_ERR) + if (status & RL_ISR_SYSTEM_ERR) { + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; re_init_locked(sc); + } } return (rx_npkts); } @@ -2222,8 +2225,10 @@ re_int_task(void *arg, int npending) RL_ISR_TX_ERR|RL_ISR_TX_DESC_UNAVAIL)) re_txeof(sc); - if (status & RL_ISR_SYSTEM_ERR) + if (status & RL_ISR_SYSTEM_ERR) { + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; re_init_locked(sc); + } if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) taskqueue_enqueue_fast(taskqueue_fast, &sc->rl_txtask); @@ -2539,6 +2544,9 @@ re_init_locked(struct rl_softc *sc) mii = device_get_softc(sc->rl_miibus); + if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) + return; + /* * Cancel pending I/O and free all RX/TX buffers. */ @@ -2793,7 +2801,8 @@ re_ioctl(struct ifnet *ifp, u_long comma case SIOCADDMULTI: case SIOCDELMULTI: RL_LOCK(sc); - re_set_rxmode(sc); + if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) + re_set_rxmode(sc); RL_UNLOCK(sc); break; case SIOCGIFMEDIA: @@ -2862,8 +2871,10 @@ re_ioctl(struct ifnet *ifp, u_long comma if ((mask & IFCAP_WOL_MAGIC) != 0) ifp->if_capenable ^= IFCAP_WOL_MAGIC; } - if (reinit && ifp->if_drv_flags & IFF_DRV_RUNNING) + if (reinit && ifp->if_drv_flags & IFF_DRV_RUNNING) { + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; re_init(sc); + } VLAN_CAPABILITIES(ifp); } break; @@ -2899,6 +2910,7 @@ re_watchdog(struct rl_softc *sc) ifp->if_oerrors++; re_rxeof(sc, NULL); + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; re_init_locked(sc); if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) taskqueue_enqueue_fast(taskqueue_fast, &sc->rl_txtask);