Author: sephe Date: Thu Sep 29 04:53:21 2016 New Revision: 306431 URL: https://svnweb.freebsd.org/changeset/base/306431
Log: hyperv/hn: Move TX tasks' draining into hn_suspend(). This prepares to consolidate hn_stop() and netvsc_detach(). MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8055 Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Thu Sep 29 02:14:08 2016 (r306430) +++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Thu Sep 29 04:53:21 2016 (r306431) @@ -334,7 +334,6 @@ static void hn_fixup_tx_data(struct hn_s static void hn_destroy_tx_data(struct hn_softc *); static void hn_start_taskfunc(void *, int); static void hn_start_txeof_taskfunc(void *, int); -static void hn_stop_tx_tasks(struct hn_softc *); static int hn_encap(struct hn_tx_ring *, struct hn_txdesc *, struct mbuf **); static int hn_create_rx_data(struct hn_softc *sc, int); static void hn_destroy_rx_data(struct hn_softc *sc); @@ -757,8 +756,6 @@ netvsc_detach(device_t dev) hn_synth_detach(sc); HN_UNLOCK(sc); - hn_stop_tx_tasks(sc); - ifmedia_removeall(&sc->hn_media); hn_destroy_rx_data(sc); hn_destroy_tx_data(sc); @@ -2971,19 +2968,6 @@ hn_start_txeof_taskfunc(void *xtxr, int mtx_unlock(&txr->hn_tx_lock); } -static void -hn_stop_tx_tasks(struct hn_softc *sc) -{ - int i; - - for (i = 0; i < sc->hn_tx_ring_inuse; ++i) { - struct hn_tx_ring *txr = &sc->hn_tx_ring[i]; - - taskqueue_drain(txr->hn_tx_taskq, &txr->hn_tx_task); - taskqueue_drain(txr->hn_tx_taskq, &txr->hn_txeof_task); - } -} - static int hn_xmit(struct hn_tx_ring *txr, int len) { @@ -3571,6 +3555,9 @@ hn_suspend(struct hn_softc *sc) /* Wait for all pending sends to finish. */ while (hn_tx_ring_pending(txr)) pause("hnwtx", 1 /* 1 tick */); + + taskqueue_drain(txr->hn_tx_taskq, &txr->hn_tx_task); + taskqueue_drain(txr->hn_tx_taskq, &txr->hn_txeof_task); } /* _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
