From owner-svn-src-all@FreeBSD.ORG Tue Jan 25 23:27:29 2011 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 16263106564A; Tue, 25 Jan 2011 23:27:29 +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 04F2A8FC08; Tue, 25 Jan 2011 23:27:29 +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 p0PNRSbR056324; Tue, 25 Jan 2011 23:27:28 GMT (envelope-from yongari@svn.freebsd.org) Received: (from yongari@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id p0PNRSTq056321; Tue, 25 Jan 2011 23:27:28 GMT (envelope-from yongari@svn.freebsd.org) Message-Id: <201101252327.p0PNRSTq056321@svn.freebsd.org> From: Pyun YongHyeon Date: Tue, 25 Jan 2011 23:27:28 +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: r217868 - in head/sys: dev/re pci X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 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: Tue, 25 Jan 2011 23:27:29 -0000 Author: yongari Date: Tue Jan 25 23:27:28 2011 New Revision: 217868 URL: http://svn.freebsd.org/changeset/base/217868 Log: Remove TX taskqueue and directly invoke re_start in interrupt task. Modified: head/sys/dev/re/if_re.c head/sys/pci/if_rlreg.h Modified: head/sys/dev/re/if_re.c ============================================================================== --- head/sys/dev/re/if_re.c Tue Jan 25 23:25:23 2011 (r217867) +++ head/sys/dev/re/if_re.c Tue Jan 25 23:27:28 2011 (r217868) @@ -254,9 +254,9 @@ static int re_poll_locked (struct ifnet #endif static int re_intr (void *); static void re_tick (void *); -static void re_tx_task (void *, int); static void re_int_task (void *, int); static void re_start (struct ifnet *); +static void re_start_locked (struct ifnet *); static int re_ioctl (struct ifnet *, u_long, caddr_t); static void re_init (void *); static void re_init_locked (struct rl_softc *); @@ -1524,7 +1524,6 @@ re_attach(device_t dev) ifp->if_snd.ifq_drv_maxlen = RL_IFQ_MAXLEN; IFQ_SET_READY(&ifp->if_snd); - TASK_INIT(&sc->rl_txtask, 1, re_tx_task, ifp); TASK_INIT(&sc->rl_inttask, 0, re_int_task, sc); /* @@ -1634,7 +1633,6 @@ re_detach(device_t dev) RL_UNLOCK(sc); callout_drain(&sc->rl_stat_callout); taskqueue_drain(taskqueue_fast, &sc->rl_inttask); - taskqueue_drain(taskqueue_fast, &sc->rl_txtask); /* * Force off the IFF_UP flag here, in case someone * still had a BPF descriptor attached to this @@ -2365,7 +2363,7 @@ re_poll_locked(struct ifnet *ifp, enum p re_txeof(sc); if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) - taskqueue_enqueue_fast(taskqueue_fast, &sc->rl_txtask); + re_start_locked(ifp); if (cmd == POLL_AND_CHECK_STATUS) { /* also check status register */ u_int16_t status; @@ -2468,7 +2466,7 @@ re_int_task(void *arg, int npending) } if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) - taskqueue_enqueue_fast(taskqueue_fast, &sc->rl_txtask); + re_start_locked(ifp); RL_UNLOCK(sc); @@ -2673,19 +2671,21 @@ re_encap(struct rl_softc *sc, struct mbu } static void -re_tx_task(void *arg, int npending) +re_start(struct ifnet *ifp) { - struct ifnet *ifp; + struct rl_softc *sc; - ifp = arg; - re_start(ifp); + sc = ifp->if_softc; + RL_LOCK(sc); + re_start_locked(ifp); + RL_UNLOCK(sc); } /* * Main transmit routine for C+ and gigE NICs. */ static void -re_start(struct ifnet *ifp) +re_start_locked(struct ifnet *ifp) { struct rl_softc *sc; struct mbuf *m_head; @@ -2693,13 +2693,9 @@ re_start(struct ifnet *ifp) sc = ifp->if_softc; - RL_LOCK(sc); - if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != - IFF_DRV_RUNNING || (sc->rl_flags & RL_FLAG_LINK) == 0) { - RL_UNLOCK(sc); + IFF_DRV_RUNNING || (sc->rl_flags & RL_FLAG_LINK) == 0) return; - } for (queued = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd) && sc->rl_ldata.rl_tx_free > 1;) { @@ -2729,7 +2725,6 @@ re_start(struct ifnet *ifp) if (sc->rl_ldata.rl_tx_free != sc->rl_ldata.rl_tx_desc_cnt) CSR_WRITE_4(sc, RL_TIMERCNT, 1); #endif - RL_UNLOCK(sc); return; } @@ -2757,8 +2752,6 @@ re_start(struct ifnet *ifp) * Set a timeout in case the chip goes out to lunch. */ sc->rl_watchdog_timer = 5; - - RL_UNLOCK(sc); } static void @@ -3278,7 +3271,7 @@ re_watchdog(struct rl_softc *sc) if_printf(ifp, "watchdog timeout (missed Tx interrupts) " "-- recovering\n"); if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) - taskqueue_enqueue_fast(taskqueue_fast, &sc->rl_txtask); + re_start_locked(ifp); return; } @@ -3289,7 +3282,7 @@ re_watchdog(struct rl_softc *sc) 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); + re_start_locked(ifp); } /* Modified: head/sys/pci/if_rlreg.h ============================================================================== --- head/sys/pci/if_rlreg.h Tue Jan 25 23:25:23 2011 (r217867) +++ head/sys/pci/if_rlreg.h Tue Jan 25 23:27:28 2011 (r217868) @@ -893,7 +893,6 @@ struct rl_softc { int rxcycles; #endif - struct task rl_txtask; struct task rl_inttask; int rl_txstart;