diff options
Diffstat (limited to 'sys/dev/etherswitch/etherswitch.c')
| -rw-r--r-- | sys/dev/etherswitch/etherswitch.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/sys/dev/etherswitch/etherswitch.c b/sys/dev/etherswitch/etherswitch.c new file mode 100644 index 000000000000..ba46d8b2299d --- /dev/null +++ b/sys/dev/etherswitch/etherswitch.c @@ -0,0 +1,226 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2011-2012 Stefan Bethke. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/bus.h> +#include <sys/conf.h> +#include <sys/fcntl.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/socket.h> +#include <sys/sx.h> +#include <sys/systm.h> +#include <sys/uio.h> + +#include <net/if.h> + +#include <dev/etherswitch/etherswitch.h> + +#include "etherswitch_if.h" + +struct etherswitch_softc { + device_t sc_dev; + struct cdev *sc_devnode; +}; + +static int etherswitch_probe(device_t); +static int etherswitch_attach(device_t); +static int etherswitch_detach(device_t); +static void etherswitch_identify(driver_t *driver, device_t parent); + +static device_method_t etherswitch_methods[] = { + /* device interface */ + DEVMETHOD(device_identify, etherswitch_identify), + DEVMETHOD(device_probe, etherswitch_probe), + DEVMETHOD(device_attach, etherswitch_attach), + DEVMETHOD(device_detach, etherswitch_detach), + + DEVMETHOD_END +}; + +driver_t etherswitch_driver = { + "etherswitch", + etherswitch_methods, + sizeof(struct etherswitch_softc), +}; + +static d_ioctl_t etherswitchioctl; + +static struct cdevsw etherswitch_cdevsw = { + .d_version = D_VERSION, + .d_flags = D_TRACKCLOSE, + .d_ioctl = etherswitchioctl, + .d_name = "etherswitch", +}; + +static void +etherswitch_identify(driver_t *driver, device_t parent) +{ + if (device_find_child(parent, "etherswitch", DEVICE_UNIT_ANY) == NULL) + BUS_ADD_CHILD(parent, 0, "etherswitch", DEVICE_UNIT_ANY); +} + +static int +etherswitch_probe(device_t dev) +{ + device_set_desc(dev, "Switch controller"); + + return (0); +} + +static int +etherswitch_attach(device_t dev) +{ + int err; + struct etherswitch_softc *sc; + struct make_dev_args devargs; + + sc = device_get_softc(dev); + sc->sc_dev = dev; + make_dev_args_init(&devargs); + devargs.mda_devsw = ðerswitch_cdevsw; + devargs.mda_uid = UID_ROOT; + devargs.mda_gid = GID_WHEEL; + devargs.mda_mode = 0600; + devargs.mda_si_drv1 = sc; + err = make_dev_s(&devargs, &sc->sc_devnode, "etherswitch%d", + device_get_unit(dev)); + if (err != 0) { + device_printf(dev, "failed to create character device\n"); + return (ENXIO); + } + + return (0); +} + +static int +etherswitch_detach(device_t dev) +{ + struct etherswitch_softc *sc = (struct etherswitch_softc *)device_get_softc(dev); + + if (sc->sc_devnode) + destroy_dev(sc->sc_devnode); + + return (0); +} + +static int +etherswitchioctl(struct cdev *cdev, u_long cmd, caddr_t data, int flags, struct thread *td) +{ + struct etherswitch_softc *sc = cdev->si_drv1; + device_t dev = sc->sc_dev; + device_t etherswitch = device_get_parent(dev); + etherswitch_conf_t conf; + etherswitch_info_t *info; + etherswitch_reg_t *reg; + etherswitch_phyreg_t *phyreg; + etherswitch_portid_t *portid; + int error = 0; + + switch (cmd) { + case IOETHERSWITCHGETINFO: + info = ETHERSWITCH_GETINFO(etherswitch); + bcopy(info, data, sizeof(etherswitch_info_t)); + break; + + case IOETHERSWITCHGETREG: + reg = (etherswitch_reg_t *)data; + ETHERSWITCH_LOCK(etherswitch); + reg->val = ETHERSWITCH_READREG(etherswitch, reg->reg); + ETHERSWITCH_UNLOCK(etherswitch); + break; + + case IOETHERSWITCHSETREG: + reg = (etherswitch_reg_t *)data; + ETHERSWITCH_LOCK(etherswitch); + error = ETHERSWITCH_WRITEREG(etherswitch, reg->reg, reg->val); + ETHERSWITCH_UNLOCK(etherswitch); + break; + + case IOETHERSWITCHGETPORT: + error = ETHERSWITCH_GETPORT(etherswitch, (etherswitch_port_t *)data); + break; + + case IOETHERSWITCHSETPORT: + error = ETHERSWITCH_SETPORT(etherswitch, (etherswitch_port_t *)data); + break; + + case IOETHERSWITCHGETVLANGROUP: + error = ETHERSWITCH_GETVGROUP(etherswitch, (etherswitch_vlangroup_t *)data); + break; + + case IOETHERSWITCHSETVLANGROUP: + error = ETHERSWITCH_SETVGROUP(etherswitch, (etherswitch_vlangroup_t *)data); + break; + + case IOETHERSWITCHGETPHYREG: + phyreg = (etherswitch_phyreg_t *)data; + phyreg->val = ETHERSWITCH_READPHYREG(etherswitch, phyreg->phy, phyreg->reg); + break; + + case IOETHERSWITCHSETPHYREG: + phyreg = (etherswitch_phyreg_t *)data; + error = ETHERSWITCH_WRITEPHYREG(etherswitch, phyreg->phy, phyreg->reg, phyreg->val); + break; + + case IOETHERSWITCHGETCONF: + bzero(&conf, sizeof(etherswitch_conf_t)); + error = ETHERSWITCH_GETCONF(etherswitch, &conf); + bcopy(&conf, data, sizeof(etherswitch_conf_t)); + break; + + case IOETHERSWITCHSETCONF: + error = ETHERSWITCH_SETCONF(etherswitch, (etherswitch_conf_t *)data); + break; + + case IOETHERSWITCHFLUSHALL: + error = ETHERSWITCH_FLUSH_ALL(etherswitch); + break; + + case IOETHERSWITCHFLUSHPORT: + portid = (etherswitch_portid_t *)data; + error = ETHERSWITCH_FLUSH_PORT(etherswitch, portid->es_port); + break; + + case IOETHERSWITCHGETTABLE: + error = ETHERSWITCH_FETCH_TABLE(etherswitch, (void *) data); + break; + + case IOETHERSWITCHGETTABLEENTRY: + error = ETHERSWITCH_FETCH_TABLE_ENTRY(etherswitch, (void *) data); + break; + + default: + error = ENOTTY; + } + + return (error); +} + +MODULE_VERSION(etherswitch, 1); |