efd0873773
Sponsored by: Solarflare Communications, Inc. Approved by: gnn (mentor)
828 lines
18 KiB
C
828 lines
18 KiB
C
/*-
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* Copyright (c) 2010-2011 Solarflare Communications, Inc.
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* All rights reserved.
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*
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* This software was developed in part by Philip Paeps under contract for
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* Solarflare Communications, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <sys/lock.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/smp.h>
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#include <sys/socket.h>
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#include <sys/taskqueue.h>
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#include <sys/sockio.h>
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#include <sys/sysctl.h>
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#include <sys/syslog.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#include "common/efx.h"
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#include "sfxge.h"
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#include "sfxge_rx.h"
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#define SFXGE_CAP (IFCAP_VLAN_MTU | \
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IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM | IFCAP_TSO | \
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IFCAP_JUMBO_MTU | IFCAP_LRO | \
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IFCAP_VLAN_HWTSO | IFCAP_LINKSTATE | IFCAP_HWSTATS)
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#define SFXGE_CAP_ENABLE SFXGE_CAP
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#define SFXGE_CAP_FIXED (IFCAP_VLAN_MTU | IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM | \
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IFCAP_JUMBO_MTU | IFCAP_LINKSTATE | IFCAP_HWSTATS)
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MALLOC_DEFINE(M_SFXGE, "sfxge", "Solarflare 10GigE driver");
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SYSCTL_NODE(_hw, OID_AUTO, sfxge, CTLFLAG_RD, 0,
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"SFXGE driver parameters");
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#define SFXGE_PARAM_RX_RING SFXGE_PARAM(rx_ring)
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static int sfxge_rx_ring_entries = SFXGE_NDESCS;
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TUNABLE_INT(SFXGE_PARAM_RX_RING, &sfxge_rx_ring_entries);
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SYSCTL_INT(_hw_sfxge, OID_AUTO, rx_ring, CTLFLAG_RDTUN,
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&sfxge_rx_ring_entries, 0,
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"Maximum number of descriptors in a receive ring");
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#define SFXGE_PARAM_TX_RING SFXGE_PARAM(tx_ring)
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static int sfxge_tx_ring_entries = SFXGE_NDESCS;
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TUNABLE_INT(SFXGE_PARAM_TX_RING, &sfxge_tx_ring_entries);
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SYSCTL_INT(_hw_sfxge, OID_AUTO, tx_ring, CTLFLAG_RDTUN,
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&sfxge_tx_ring_entries, 0,
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"Maximum number of descriptors in a transmit ring");
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static void
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sfxge_reset(void *arg, int npending);
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static int
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sfxge_start(struct sfxge_softc *sc)
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{
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int rc;
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SFXGE_ADAPTER_LOCK_ASSERT_OWNED(sc);
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if (sc->init_state == SFXGE_STARTED)
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return (0);
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if (sc->init_state != SFXGE_REGISTERED) {
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rc = EINVAL;
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goto fail;
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}
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if ((rc = efx_nic_init(sc->enp)) != 0)
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goto fail;
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/* Start processing interrupts. */
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if ((rc = sfxge_intr_start(sc)) != 0)
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goto fail2;
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/* Start processing events. */
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if ((rc = sfxge_ev_start(sc)) != 0)
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goto fail3;
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/* Start the receiver side. */
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if ((rc = sfxge_rx_start(sc)) != 0)
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goto fail4;
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/* Start the transmitter side. */
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if ((rc = sfxge_tx_start(sc)) != 0)
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goto fail5;
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/* Fire up the port. */
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if ((rc = sfxge_port_start(sc)) != 0)
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goto fail6;
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sc->init_state = SFXGE_STARTED;
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/* Tell the stack we're running. */
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sc->ifnet->if_drv_flags |= IFF_DRV_RUNNING;
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sc->ifnet->if_drv_flags &= ~IFF_DRV_OACTIVE;
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return (0);
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fail6:
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sfxge_tx_stop(sc);
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fail5:
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sfxge_rx_stop(sc);
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fail4:
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sfxge_ev_stop(sc);
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fail3:
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sfxge_intr_stop(sc);
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fail2:
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efx_nic_fini(sc->enp);
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fail:
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device_printf(sc->dev, "sfxge_start: %d\n", rc);
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return (rc);
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}
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static void
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sfxge_if_init(void *arg)
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{
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struct sfxge_softc *sc;
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sc = (struct sfxge_softc *)arg;
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SFXGE_ADAPTER_LOCK(sc);
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(void)sfxge_start(sc);
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SFXGE_ADAPTER_UNLOCK(sc);
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}
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static void
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sfxge_stop(struct sfxge_softc *sc)
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{
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SFXGE_ADAPTER_LOCK_ASSERT_OWNED(sc);
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if (sc->init_state != SFXGE_STARTED)
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return;
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sc->init_state = SFXGE_REGISTERED;
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/* Stop the port. */
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sfxge_port_stop(sc);
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/* Stop the transmitter. */
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sfxge_tx_stop(sc);
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/* Stop the receiver. */
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sfxge_rx_stop(sc);
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/* Stop processing events. */
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sfxge_ev_stop(sc);
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/* Stop processing interrupts. */
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sfxge_intr_stop(sc);
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efx_nic_fini(sc->enp);
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sc->ifnet->if_drv_flags &= ~IFF_DRV_RUNNING;
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}
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static int
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sfxge_if_ioctl(struct ifnet *ifp, unsigned long command, caddr_t data)
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{
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struct sfxge_softc *sc;
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struct ifreq *ifr;
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int error;
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ifr = (struct ifreq *)data;
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sc = ifp->if_softc;
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error = 0;
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switch (command) {
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case SIOCSIFFLAGS:
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SFXGE_ADAPTER_LOCK(sc);
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if (ifp->if_flags & IFF_UP) {
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if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
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if ((ifp->if_flags ^ sc->if_flags) &
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(IFF_PROMISC | IFF_ALLMULTI)) {
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sfxge_mac_filter_set(sc);
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}
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} else
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sfxge_start(sc);
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} else
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if (ifp->if_drv_flags & IFF_DRV_RUNNING)
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sfxge_stop(sc);
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sc->if_flags = ifp->if_flags;
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SFXGE_ADAPTER_UNLOCK(sc);
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break;
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case SIOCSIFMTU:
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if (ifr->ifr_mtu == ifp->if_mtu) {
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/* Nothing to do */
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error = 0;
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} else if (ifr->ifr_mtu > SFXGE_MAX_MTU) {
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error = EINVAL;
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} else if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
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ifp->if_mtu = ifr->ifr_mtu;
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error = 0;
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} else {
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/* Restart required */
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SFXGE_ADAPTER_LOCK(sc);
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sfxge_stop(sc);
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ifp->if_mtu = ifr->ifr_mtu;
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error = sfxge_start(sc);
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SFXGE_ADAPTER_UNLOCK(sc);
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if (error != 0) {
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ifp->if_flags &= ~IFF_UP;
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ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
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if_down(ifp);
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}
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}
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break;
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case SIOCADDMULTI:
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case SIOCDELMULTI:
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if (ifp->if_drv_flags & IFF_DRV_RUNNING)
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sfxge_mac_filter_set(sc);
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break;
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case SIOCSIFCAP:
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SFXGE_ADAPTER_LOCK(sc);
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/*
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* The networking core already rejects attempts to
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* enable capabilities we don't have. We still have
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* to reject attempts to disable capabilities that we
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* can't (yet) disable.
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*/
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if (~ifr->ifr_reqcap & SFXGE_CAP_FIXED) {
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error = EINVAL;
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SFXGE_ADAPTER_UNLOCK(sc);
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break;
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}
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ifp->if_capenable = ifr->ifr_reqcap;
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if (ifp->if_capenable & IFCAP_TXCSUM)
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ifp->if_hwassist |= (CSUM_IP | CSUM_TCP | CSUM_UDP);
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else
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ifp->if_hwassist &= ~(CSUM_IP | CSUM_TCP | CSUM_UDP);
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if (ifp->if_capenable & IFCAP_TSO)
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ifp->if_hwassist |= CSUM_TSO;
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else
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ifp->if_hwassist &= ~CSUM_TSO;
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SFXGE_ADAPTER_UNLOCK(sc);
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break;
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case SIOCSIFMEDIA:
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case SIOCGIFMEDIA:
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error = ifmedia_ioctl(ifp, ifr, &sc->media, command);
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break;
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default:
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error = ether_ioctl(ifp, command, data);
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}
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return (error);
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}
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static void
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sfxge_ifnet_fini(struct ifnet *ifp)
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{
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struct sfxge_softc *sc = ifp->if_softc;
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SFXGE_ADAPTER_LOCK(sc);
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sfxge_stop(sc);
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SFXGE_ADAPTER_UNLOCK(sc);
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ifmedia_removeall(&sc->media);
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ether_ifdetach(ifp);
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if_free(ifp);
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}
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static int
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sfxge_ifnet_init(struct ifnet *ifp, struct sfxge_softc *sc)
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{
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const efx_nic_cfg_t *encp = efx_nic_cfg_get(sc->enp);
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device_t dev;
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int rc;
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dev = sc->dev;
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sc->ifnet = ifp;
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if_initname(ifp, device_get_name(dev), device_get_unit(dev));
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ifp->if_init = sfxge_if_init;
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ifp->if_softc = sc;
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ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
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ifp->if_ioctl = sfxge_if_ioctl;
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ifp->if_capabilities = SFXGE_CAP;
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ifp->if_capenable = SFXGE_CAP_ENABLE;
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ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_IP | CSUM_TSO;
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ether_ifattach(ifp, encp->enc_mac_addr);
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#ifdef SFXGE_HAVE_MQ
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ifp->if_transmit = sfxge_if_transmit;
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ifp->if_qflush = sfxge_if_qflush;
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#else
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ifp->if_start = sfxge_if_start;
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IFQ_SET_MAXLEN(&ifp->if_snd, sc->txq_entries - 1);
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ifp->if_snd.ifq_drv_maxlen = sc->txq_entries - 1;
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IFQ_SET_READY(&ifp->if_snd);
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snprintf(sc->tx_lock_name, sizeof(sc->tx_lock_name),
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"%s:tx", device_get_nameunit(sc->dev));
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mtx_init(&sc->tx_lock, sc->tx_lock_name, NULL, MTX_DEF);
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#endif
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ifp->if_get_counter = sfxge_get_counter;
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if ((rc = sfxge_port_ifmedia_init(sc)) != 0)
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goto fail;
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return (0);
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fail:
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ether_ifdetach(sc->ifnet);
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return (rc);
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}
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void
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sfxge_sram_buf_tbl_alloc(struct sfxge_softc *sc, size_t n, uint32_t *idp)
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{
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KASSERT(sc->buffer_table_next + n <=
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efx_nic_cfg_get(sc->enp)->enc_buftbl_limit,
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("buffer table full"));
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*idp = sc->buffer_table_next;
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sc->buffer_table_next += n;
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}
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static int
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sfxge_bar_init(struct sfxge_softc *sc)
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{
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efsys_bar_t *esbp = &sc->bar;
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esbp->esb_rid = PCIR_BAR(EFX_MEM_BAR);
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if ((esbp->esb_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,
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&esbp->esb_rid, RF_ACTIVE)) == NULL) {
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device_printf(sc->dev, "Cannot allocate BAR region %d\n",
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EFX_MEM_BAR);
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return (ENXIO);
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}
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esbp->esb_tag = rman_get_bustag(esbp->esb_res);
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esbp->esb_handle = rman_get_bushandle(esbp->esb_res);
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SFXGE_BAR_LOCK_INIT(esbp, device_get_nameunit(sc->dev));
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return (0);
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}
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static void
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sfxge_bar_fini(struct sfxge_softc *sc)
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{
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efsys_bar_t *esbp = &sc->bar;
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bus_release_resource(sc->dev, SYS_RES_MEMORY, esbp->esb_rid,
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esbp->esb_res);
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SFXGE_BAR_LOCK_DESTROY(esbp);
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}
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static int
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sfxge_create(struct sfxge_softc *sc)
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{
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device_t dev;
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efx_nic_t *enp;
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int error;
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char rss_param_name[sizeof(SFXGE_PARAM(%d.max_rss_channels))];
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dev = sc->dev;
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SFXGE_ADAPTER_LOCK_INIT(sc, device_get_nameunit(sc->dev));
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sc->max_rss_channels = 0;
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snprintf(rss_param_name, sizeof(rss_param_name),
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SFXGE_PARAM(%d.max_rss_channels),
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(int)device_get_unit(dev));
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TUNABLE_INT_FETCH(rss_param_name, &sc->max_rss_channels);
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sc->stats_node = SYSCTL_ADD_NODE(
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device_get_sysctl_ctx(dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, "stats", CTLFLAG_RD, NULL, "Statistics");
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if (sc->stats_node == NULL) {
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error = ENOMEM;
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goto fail;
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}
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TASK_INIT(&sc->task_reset, 0, sfxge_reset, sc);
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|
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(void) pci_enable_busmaster(dev);
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|
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/* Initialize DMA mappings. */
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if ((error = sfxge_dma_init(sc)) != 0)
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goto fail;
|
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|
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/* Map the device registers. */
|
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if ((error = sfxge_bar_init(sc)) != 0)
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goto fail;
|
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|
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error = efx_family(pci_get_vendor(dev), pci_get_device(dev),
|
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&sc->family);
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KASSERT(error == 0, ("Family should be filtered by sfxge_probe()"));
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|
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/* Create the common code nic object. */
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SFXGE_EFSYS_LOCK_INIT(&sc->enp_lock,
|
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device_get_nameunit(sc->dev), "nic");
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if ((error = efx_nic_create(sc->family, (efsys_identifier_t *)sc,
|
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&sc->bar, &sc->enp_lock, &enp)) != 0)
|
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goto fail3;
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sc->enp = enp;
|
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|
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if (!ISP2(sfxge_rx_ring_entries) ||
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!(sfxge_rx_ring_entries & EFX_RXQ_NDESCS_MASK)) {
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log(LOG_ERR, "%s=%d must be power of 2 from %u to %u",
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SFXGE_PARAM_RX_RING, sfxge_rx_ring_entries,
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EFX_RXQ_MINNDESCS, EFX_RXQ_MAXNDESCS);
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error = EINVAL;
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goto fail_rx_ring_entries;
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}
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sc->rxq_entries = sfxge_rx_ring_entries;
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|
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if (!ISP2(sfxge_tx_ring_entries) ||
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!(sfxge_tx_ring_entries & EFX_TXQ_NDESCS_MASK)) {
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log(LOG_ERR, "%s=%d must be power of 2 from %u to %u",
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SFXGE_PARAM_TX_RING, sfxge_tx_ring_entries,
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EFX_TXQ_MINNDESCS, EFX_TXQ_MAXNDESCS);
|
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error = EINVAL;
|
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goto fail_tx_ring_entries;
|
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}
|
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sc->txq_entries = sfxge_tx_ring_entries;
|
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|
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/* Initialize MCDI to talk to the microcontroller. */
|
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if ((error = sfxge_mcdi_init(sc)) != 0)
|
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goto fail4;
|
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|
|
/* Probe the NIC and build the configuration data area. */
|
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if ((error = efx_nic_probe(enp)) != 0)
|
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goto fail5;
|
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|
|
/* Initialize the NVRAM. */
|
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if ((error = efx_nvram_init(enp)) != 0)
|
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goto fail6;
|
|
|
|
/* Initialize the VPD. */
|
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if ((error = efx_vpd_init(enp)) != 0)
|
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goto fail7;
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|
|
/* Reset the NIC. */
|
|
if ((error = efx_nic_reset(enp)) != 0)
|
|
goto fail8;
|
|
|
|
/* Initialize buffer table allocation. */
|
|
sc->buffer_table_next = 0;
|
|
|
|
/* Set up interrupts. */
|
|
if ((error = sfxge_intr_init(sc)) != 0)
|
|
goto fail8;
|
|
|
|
/* Initialize event processing state. */
|
|
if ((error = sfxge_ev_init(sc)) != 0)
|
|
goto fail11;
|
|
|
|
/* Initialize receive state. */
|
|
if ((error = sfxge_rx_init(sc)) != 0)
|
|
goto fail12;
|
|
|
|
/* Initialize transmit state. */
|
|
if ((error = sfxge_tx_init(sc)) != 0)
|
|
goto fail13;
|
|
|
|
/* Initialize port state. */
|
|
if ((error = sfxge_port_init(sc)) != 0)
|
|
goto fail14;
|
|
|
|
sc->init_state = SFXGE_INITIALIZED;
|
|
|
|
return (0);
|
|
|
|
fail14:
|
|
sfxge_tx_fini(sc);
|
|
|
|
fail13:
|
|
sfxge_rx_fini(sc);
|
|
|
|
fail12:
|
|
sfxge_ev_fini(sc);
|
|
|
|
fail11:
|
|
sfxge_intr_fini(sc);
|
|
|
|
fail8:
|
|
efx_vpd_fini(enp);
|
|
|
|
fail7:
|
|
efx_nvram_fini(enp);
|
|
|
|
fail6:
|
|
efx_nic_unprobe(enp);
|
|
|
|
fail5:
|
|
sfxge_mcdi_fini(sc);
|
|
|
|
fail4:
|
|
fail_tx_ring_entries:
|
|
fail_rx_ring_entries:
|
|
sc->enp = NULL;
|
|
efx_nic_destroy(enp);
|
|
SFXGE_EFSYS_LOCK_DESTROY(&sc->enp_lock);
|
|
|
|
fail3:
|
|
sfxge_bar_fini(sc);
|
|
(void) pci_disable_busmaster(sc->dev);
|
|
|
|
fail:
|
|
sc->dev = NULL;
|
|
SFXGE_ADAPTER_LOCK_DESTROY(sc);
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
sfxge_destroy(struct sfxge_softc *sc)
|
|
{
|
|
efx_nic_t *enp;
|
|
|
|
/* Clean up port state. */
|
|
sfxge_port_fini(sc);
|
|
|
|
/* Clean up transmit state. */
|
|
sfxge_tx_fini(sc);
|
|
|
|
/* Clean up receive state. */
|
|
sfxge_rx_fini(sc);
|
|
|
|
/* Clean up event processing state. */
|
|
sfxge_ev_fini(sc);
|
|
|
|
/* Clean up interrupts. */
|
|
sfxge_intr_fini(sc);
|
|
|
|
/* Tear down common code subsystems. */
|
|
efx_nic_reset(sc->enp);
|
|
efx_vpd_fini(sc->enp);
|
|
efx_nvram_fini(sc->enp);
|
|
efx_nic_unprobe(sc->enp);
|
|
|
|
/* Tear down MCDI. */
|
|
sfxge_mcdi_fini(sc);
|
|
|
|
/* Destroy common code context. */
|
|
enp = sc->enp;
|
|
sc->enp = NULL;
|
|
efx_nic_destroy(enp);
|
|
|
|
/* Free DMA memory. */
|
|
sfxge_dma_fini(sc);
|
|
|
|
/* Free mapped BARs. */
|
|
sfxge_bar_fini(sc);
|
|
|
|
(void) pci_disable_busmaster(sc->dev);
|
|
|
|
taskqueue_drain(taskqueue_thread, &sc->task_reset);
|
|
|
|
/* Destroy the softc lock. */
|
|
SFXGE_ADAPTER_LOCK_DESTROY(sc);
|
|
}
|
|
|
|
static int
|
|
sfxge_vpd_handler(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct sfxge_softc *sc = arg1;
|
|
efx_vpd_value_t value;
|
|
int rc;
|
|
|
|
value.evv_tag = arg2 >> 16;
|
|
value.evv_keyword = arg2 & 0xffff;
|
|
if ((rc = efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value))
|
|
!= 0)
|
|
return (rc);
|
|
|
|
return (SYSCTL_OUT(req, value.evv_value, value.evv_length));
|
|
}
|
|
|
|
static void
|
|
sfxge_vpd_try_add(struct sfxge_softc *sc, struct sysctl_oid_list *list,
|
|
efx_vpd_tag_t tag, const char *keyword)
|
|
{
|
|
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->dev);
|
|
efx_vpd_value_t value;
|
|
|
|
/* Check whether VPD tag/keyword is present */
|
|
value.evv_tag = tag;
|
|
value.evv_keyword = EFX_VPD_KEYWORD(keyword[0], keyword[1]);
|
|
if (efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value) != 0)
|
|
return;
|
|
|
|
SYSCTL_ADD_PROC(
|
|
ctx, list, OID_AUTO, keyword, CTLTYPE_STRING|CTLFLAG_RD,
|
|
sc, tag << 16 | EFX_VPD_KEYWORD(keyword[0], keyword[1]),
|
|
sfxge_vpd_handler, "A", "");
|
|
}
|
|
|
|
static int
|
|
sfxge_vpd_init(struct sfxge_softc *sc)
|
|
{
|
|
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->dev);
|
|
struct sysctl_oid *vpd_node;
|
|
struct sysctl_oid_list *vpd_list;
|
|
char keyword[3];
|
|
efx_vpd_value_t value;
|
|
int rc;
|
|
|
|
if ((rc = efx_vpd_size(sc->enp, &sc->vpd_size)) != 0)
|
|
goto fail;
|
|
sc->vpd_data = malloc(sc->vpd_size, M_SFXGE, M_WAITOK);
|
|
if ((rc = efx_vpd_read(sc->enp, sc->vpd_data, sc->vpd_size)) != 0)
|
|
goto fail2;
|
|
|
|
/* Copy ID (product name) into device description, and log it. */
|
|
value.evv_tag = EFX_VPD_ID;
|
|
if (efx_vpd_get(sc->enp, sc->vpd_data, sc->vpd_size, &value) == 0) {
|
|
value.evv_value[value.evv_length] = 0;
|
|
device_set_desc_copy(sc->dev, value.evv_value);
|
|
device_printf(sc->dev, "%s\n", value.evv_value);
|
|
}
|
|
|
|
vpd_node = SYSCTL_ADD_NODE(
|
|
ctx, SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)),
|
|
OID_AUTO, "vpd", CTLFLAG_RD, NULL, "Vital Product Data");
|
|
vpd_list = SYSCTL_CHILDREN(vpd_node);
|
|
|
|
/* Add sysctls for all expected and any vendor-defined keywords. */
|
|
sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, "PN");
|
|
sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, "EC");
|
|
sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, "SN");
|
|
keyword[0] = 'V';
|
|
keyword[2] = 0;
|
|
for (keyword[1] = '0'; keyword[1] <= '9'; keyword[1]++)
|
|
sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, keyword);
|
|
for (keyword[1] = 'A'; keyword[1] <= 'Z'; keyword[1]++)
|
|
sfxge_vpd_try_add(sc, vpd_list, EFX_VPD_RO, keyword);
|
|
|
|
return (0);
|
|
|
|
fail2:
|
|
free(sc->vpd_data, M_SFXGE);
|
|
fail:
|
|
return (rc);
|
|
}
|
|
|
|
static void
|
|
sfxge_vpd_fini(struct sfxge_softc *sc)
|
|
{
|
|
free(sc->vpd_data, M_SFXGE);
|
|
}
|
|
|
|
static void
|
|
sfxge_reset(void *arg, int npending)
|
|
{
|
|
struct sfxge_softc *sc;
|
|
int rc;
|
|
|
|
(void)npending;
|
|
|
|
sc = (struct sfxge_softc *)arg;
|
|
|
|
SFXGE_ADAPTER_LOCK(sc);
|
|
|
|
if (sc->init_state != SFXGE_STARTED)
|
|
goto done;
|
|
|
|
sfxge_stop(sc);
|
|
efx_nic_reset(sc->enp);
|
|
if ((rc = sfxge_start(sc)) != 0)
|
|
device_printf(sc->dev,
|
|
"reset failed (%d); interface is now stopped\n",
|
|
rc);
|
|
|
|
done:
|
|
SFXGE_ADAPTER_UNLOCK(sc);
|
|
}
|
|
|
|
void
|
|
sfxge_schedule_reset(struct sfxge_softc *sc)
|
|
{
|
|
taskqueue_enqueue(taskqueue_thread, &sc->task_reset);
|
|
}
|
|
|
|
static int
|
|
sfxge_attach(device_t dev)
|
|
{
|
|
struct sfxge_softc *sc;
|
|
struct ifnet *ifp;
|
|
int error;
|
|
|
|
sc = device_get_softc(dev);
|
|
sc->dev = dev;
|
|
|
|
/* Allocate ifnet. */
|
|
ifp = if_alloc(IFT_ETHER);
|
|
if (ifp == NULL) {
|
|
device_printf(dev, "Couldn't allocate ifnet\n");
|
|
error = ENOMEM;
|
|
goto fail;
|
|
}
|
|
sc->ifnet = ifp;
|
|
|
|
/* Initialize hardware. */
|
|
if ((error = sfxge_create(sc)) != 0)
|
|
goto fail2;
|
|
|
|
/* Create the ifnet for the port. */
|
|
if ((error = sfxge_ifnet_init(ifp, sc)) != 0)
|
|
goto fail3;
|
|
|
|
if ((error = sfxge_vpd_init(sc)) != 0)
|
|
goto fail4;
|
|
|
|
sc->init_state = SFXGE_REGISTERED;
|
|
|
|
return (0);
|
|
|
|
fail4:
|
|
sfxge_ifnet_fini(ifp);
|
|
fail3:
|
|
sfxge_destroy(sc);
|
|
|
|
fail2:
|
|
if_free(sc->ifnet);
|
|
|
|
fail:
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
sfxge_detach(device_t dev)
|
|
{
|
|
struct sfxge_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
sfxge_vpd_fini(sc);
|
|
|
|
/* Destroy the ifnet. */
|
|
sfxge_ifnet_fini(sc->ifnet);
|
|
|
|
/* Tear down hardware. */
|
|
sfxge_destroy(sc);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
sfxge_probe(device_t dev)
|
|
{
|
|
uint16_t pci_vendor_id;
|
|
uint16_t pci_device_id;
|
|
efx_family_t family;
|
|
int rc;
|
|
|
|
pci_vendor_id = pci_get_vendor(dev);
|
|
pci_device_id = pci_get_device(dev);
|
|
|
|
rc = efx_family(pci_vendor_id, pci_device_id, &family);
|
|
if (rc != 0)
|
|
return (ENXIO);
|
|
|
|
KASSERT(family == EFX_FAMILY_SIENA, ("impossible controller family"));
|
|
device_set_desc(dev, "Solarflare SFC9000 family");
|
|
return (0);
|
|
}
|
|
|
|
static device_method_t sfxge_methods[] = {
|
|
DEVMETHOD(device_probe, sfxge_probe),
|
|
DEVMETHOD(device_attach, sfxge_attach),
|
|
DEVMETHOD(device_detach, sfxge_detach),
|
|
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static devclass_t sfxge_devclass;
|
|
|
|
static driver_t sfxge_driver = {
|
|
"sfxge",
|
|
sfxge_methods,
|
|
sizeof(struct sfxge_softc)
|
|
};
|
|
|
|
DRIVER_MODULE(sfxge, pci, sfxge_driver, sfxge_devclass, 0, 0);
|