Date: Tue, 15 Nov 2016 21:49:01 +0000 (UTC) From: Michael Zhilin <mizhka@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r308699 - head/sys/dev/etherswitch/e6000sw Message-ID: <201611152149.uAFLn1VU074009@repo.freebsd.org>
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Author: mizhka Date: Tue Nov 15 21:49:01 2016 New Revision: 308699 URL: https://svnweb.freebsd.org/changeset/base/308699 Log: [etherswitch] add Marvell 88e6060 switch support Add 88e6060 basic support: only port-based VLAN is supported. No vlan(4) support. Submitted by: Hiroki Mori <yamori813@yahoo.co.jp> Reviewed by: mizhka, adrian Approved by: adrian(mentor) Differential Revision: https://reviews.freebsd.org/D8344 Added: head/sys/dev/etherswitch/e6000sw/e6060sw.c (contents, props changed) Added: head/sys/dev/etherswitch/e6000sw/e6060sw.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/dev/etherswitch/e6000sw/e6060sw.c Tue Nov 15 21:49:01 2016 (r308699) @@ -0,0 +1,703 @@ +/*- + * Copyright (c) 2016 Hiroki Mori + * Copyright (c) 2013 Luiz Otavio O Souza. + * Copyright (c) 2011-2012 Stefan Bethke. + * Copyright (c) 2012 Adrian Chadd. + * 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. + * + * $FreeBSD$ + */ + +/* + * This code is Marvell 88E6060 ethernet switch support code on etherswitch + * framework. + * Current code is only support port base vlan. Not support ingress/egress + * trailer. This switch chip can't work vlan(4) support. + */ + +#include <sys/param.h> +#include <sys/bus.h> +#include <sys/errno.h> +#include <sys/kernel.h> +#include <sys/lock.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/mutex.h> +#include <sys/socket.h> +#include <sys/sockio.h> +#include <sys/sysctl.h> +#include <sys/systm.h> + +#include <net/if.h> +#include <net/if_var.h> +#include <net/ethernet.h> +#include <net/if_media.h> +#include <net/if_types.h> + +#include <machine/bus.h> +#include <dev/mii/mii.h> +#include <dev/mii/miivar.h> +#include <dev/mdio/mdio.h> + +#include <dev/etherswitch/etherswitch.h> + +#include "mdio_if.h" +#include "miibus_if.h" +#include "etherswitch_if.h" + +#define SMI_OFFSET 0x10 +#define CORE_REGISTER (SMI_OFFSET + 8) + +#define SWITCH_ID 3 +#define PORT_VLAN_MAP 6 + +MALLOC_DECLARE(M_E6060SW); +MALLOC_DEFINE(M_E6060SW, "e6060sw", "e6060sw data structures"); + +struct e6060sw_softc { + struct mtx sc_mtx; /* serialize access to softc */ + device_t sc_dev; + int vlan_mode; + int media; /* cpu port media */ + int cpuport; /* which PHY is connected to the CPU */ + int phymask; /* PHYs we manage */ + int numports; /* number of ports */ + int ifpport[MII_NPHY]; + int *portphy; + char **ifname; + device_t **miibus; + struct ifnet **ifp; + struct callout callout_tick; + etherswitch_info_t info; +}; + +#define E6060SW_LOCK(_sc) \ + mtx_lock(&(_sc)->sc_mtx) +#define E6060SW_UNLOCK(_sc) \ + mtx_unlock(&(_sc)->sc_mtx) +#define E6060SW_LOCK_ASSERT(_sc, _what) \ + mtx_assert(&(_sc)->sc_mtx, (_what)) +#define E6060SW_TRYLOCK(_sc) \ + mtx_trylock(&(_sc)->sc_mtx) + +#if defined(DEBUG) +#define DPRINTF(dev, args...) device_printf(dev, args) +#else +#define DPRINTF(dev, args...) +#endif + +static inline int e6060sw_portforphy(struct e6060sw_softc *, int); +static void e6060sw_tick(void *); +static int e6060sw_ifmedia_upd(struct ifnet *); +static void e6060sw_ifmedia_sts(struct ifnet *, struct ifmediareq *); + +static int +e6060sw_probe(device_t dev) +{ + int data; + struct e6060sw_softc *sc; + + sc = device_get_softc(dev); + bzero(sc, sizeof(*sc)); + + data = MDIO_READREG(device_get_parent(dev), CORE_REGISTER, SWITCH_ID); + if (bootverbose) + device_printf(dev,"Switch Identifier Register %x\n", data); + + if ((data >> 4) != 0x060) { + return (ENXIO); + } + + device_set_desc_copy(dev, "Marvell 88E6060 MDIO switch driver"); + return (BUS_PROBE_DEFAULT); +} + +static int +e6060sw_attach_phys(struct e6060sw_softc *sc) +{ + int phy, port, err; + char name[IFNAMSIZ]; + + port = 0; + err = 0; + /* PHYs need an interface, so we generate a dummy one */ + snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev)); + for (phy = 0; phy < sc->numports; phy++) { + if (((1 << phy) & sc->phymask) == 0) + continue; + sc->ifpport[phy] = port; + sc->portphy[port] = phy; + sc->ifp[port] = if_alloc(IFT_ETHER); + sc->ifp[port]->if_softc = sc; + sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST | + IFF_DRV_RUNNING | IFF_SIMPLEX; + if_initname(sc->ifp[port], name, port); + sc->miibus[port] = malloc(sizeof(device_t), M_E6060SW, + M_WAITOK | M_ZERO); + err = mii_attach(sc->sc_dev, sc->miibus[port], sc->ifp[port], + e6060sw_ifmedia_upd, e6060sw_ifmedia_sts, \ + BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0); + DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n", + device_get_nameunit(*sc->miibus[port]), + sc->ifp[port]->if_xname); + if (err != 0) { + device_printf(sc->sc_dev, + "attaching PHY %d failed\n", + phy); + break; + } + ++port; + } + sc->info.es_nports = port; + if (sc->cpuport != -1) { + /* assume cpuport is last one */ + sc->ifpport[sc->cpuport] = port; + sc->portphy[port] = sc->cpuport; + ++sc->info.es_nports; + } + return (err); +} + +static int +e6060sw_attach(device_t dev) +{ + struct e6060sw_softc *sc; + int err; + + sc = device_get_softc(dev); + err = 0; + + sc->sc_dev = dev; + mtx_init(&sc->sc_mtx, "e6060sw", NULL, MTX_DEF); + strlcpy(sc->info.es_name, device_get_desc(dev), + sizeof(sc->info.es_name)); + + /* XXX Defaults */ + sc->numports = 6; + sc->phymask = 0x1f; + sc->cpuport = 5; + sc->media = 100; + + (void) resource_int_value(device_get_name(dev), device_get_unit(dev), + "numports", &sc->numports); + (void) resource_int_value(device_get_name(dev), device_get_unit(dev), + "phymask", &sc->phymask); + (void) resource_int_value(device_get_name(dev), device_get_unit(dev), + "cpuport", &sc->cpuport); + (void) resource_int_value(device_get_name(dev), device_get_unit(dev), + "media", &sc->media); + + sc->info.es_nvlangroups = sc->numports; + sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT; + + sc->ifp = malloc(sizeof(struct ifnet *) * sc->numports, M_E6060SW, + M_WAITOK | M_ZERO); + sc->ifname = malloc(sizeof(char *) * sc->numports, M_E6060SW, + M_WAITOK | M_ZERO); + sc->miibus = malloc(sizeof(device_t *) * sc->numports, M_E6060SW, + M_WAITOK | M_ZERO); + sc->portphy = malloc(sizeof(int) * sc->numports, M_E6060SW, + M_WAITOK | M_ZERO); + + /* + * Attach the PHYs and complete the bus enumeration. + */ + err = e6060sw_attach_phys(sc); + if (err != 0) + return (err); + + bus_generic_probe(dev); + bus_enumerate_hinted_children(dev); + err = bus_generic_attach(dev); + if (err != 0) + return (err); + + callout_init(&sc->callout_tick, 0); + + e6060sw_tick(sc); + + return (err); +} + +static int +e6060sw_detach(device_t dev) +{ + struct e6060sw_softc *sc; + int i, port; + + sc = device_get_softc(dev); + + callout_drain(&sc->callout_tick); + + for (i = 0; i < MII_NPHY; i++) { + if (((1 << i) & sc->phymask) == 0) + continue; + port = e6060sw_portforphy(sc, i); + if (sc->miibus[port] != NULL) + device_delete_child(dev, (*sc->miibus[port])); + if (sc->ifp[port] != NULL) + if_free(sc->ifp[port]); + free(sc->ifname[port], M_E6060SW); + free(sc->miibus[port], M_E6060SW); + } + + free(sc->portphy, M_E6060SW); + free(sc->miibus, M_E6060SW); + free(sc->ifname, M_E6060SW); + free(sc->ifp, M_E6060SW); + + bus_generic_detach(dev); + mtx_destroy(&sc->sc_mtx); + + return (0); +} + +/* + * Convert PHY number to port number. + */ +static inline int +e6060sw_portforphy(struct e6060sw_softc *sc, int phy) +{ + + return (sc->ifpport[phy]); +} + +static inline struct mii_data * +e6060sw_miiforport(struct e6060sw_softc *sc, int port) +{ + + if (port < 0 || port > sc->numports) + return (NULL); + if (port == sc->cpuport) + return (NULL); + return (device_get_softc(*sc->miibus[port])); +} + +static inline struct ifnet * +e6060sw_ifpforport(struct e6060sw_softc *sc, int port) +{ + + if (port < 0 || port > sc->numports) + return (NULL); + return (sc->ifp[port]); +} + +/* + * Poll the status for all PHYs. + */ +static void +e6060sw_miipollstat(struct e6060sw_softc *sc) +{ + int i, port; + struct mii_data *mii; + struct mii_softc *miisc; + + E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED); + + for (i = 0; i < MII_NPHY; i++) { + if (((1 << i) & sc->phymask) == 0) + continue; + port = e6060sw_portforphy(sc, i); + if ((*sc->miibus[port]) == NULL) + continue; + mii = device_get_softc(*sc->miibus[port]); + LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { + if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) != + miisc->mii_inst) + continue; + ukphy_status(miisc); + mii_phy_update(miisc, MII_POLLSTAT); + } + } +} + +static void +e6060sw_tick(void *arg) +{ + struct e6060sw_softc *sc; + + sc = arg; + + e6060sw_miipollstat(sc); + callout_reset(&sc->callout_tick, hz, e6060sw_tick, sc); +} + +static void +e6060sw_lock(device_t dev) +{ + struct e6060sw_softc *sc; + + sc = device_get_softc(dev); + + E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED); + E6060SW_LOCK(sc); +} + +static void +e6060sw_unlock(device_t dev) +{ + struct e6060sw_softc *sc; + + sc = device_get_softc(dev); + + E6060SW_LOCK_ASSERT(sc, MA_OWNED); + E6060SW_UNLOCK(sc); +} + +static etherswitch_info_t * +e6060sw_getinfo(device_t dev) +{ + struct e6060sw_softc *sc; + + sc = device_get_softc(dev); + + return (&sc->info); +} + +static int +e6060sw_getport(device_t dev, etherswitch_port_t *p) +{ + struct e6060sw_softc *sc; + struct mii_data *mii; + struct ifmediareq *ifmr; + int err, phy; + + sc = device_get_softc(dev); + ifmr = &p->es_ifmr; + + if (p->es_port < 0 || p->es_port >= sc->numports) + return (ENXIO); + p->es_pvid = 0; + + phy = sc->portphy[p->es_port]; + mii = e6060sw_miiforport(sc, p->es_port); + if (sc->cpuport != -1 && phy == sc->cpuport) { + /* fill in fixed values for CPU port */ + p->es_flags |= ETHERSWITCH_PORT_CPU; + ifmr->ifm_count = 0; + if (sc->media == 100) + ifmr->ifm_current = ifmr->ifm_active = + IFM_ETHER | IFM_100_TX | IFM_FDX; + else + ifmr->ifm_current = ifmr->ifm_active = + IFM_ETHER | IFM_1000_T | IFM_FDX; + ifmr->ifm_mask = 0; + ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID; + } else if (mii != NULL) { + err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, + &mii->mii_media, SIOCGIFMEDIA); + if (err) + return (err); + } else { + return (ENXIO); + } + return (0); +} + +static int +e6060sw_setport(device_t dev, etherswitch_port_t *p) +{ + struct e6060sw_softc *sc; + struct ifmedia *ifm; + struct mii_data *mii; + struct ifnet *ifp; + int err; + + sc = device_get_softc(dev); + + if (p->es_port < 0 || p->es_port >= sc->numports) + return (ENXIO); + + if (sc->portphy[p->es_port] == sc->cpuport) + return (ENXIO); + + mii = e6060sw_miiforport(sc, p->es_port); + if (mii == NULL) + return (ENXIO); + + ifp = e6060sw_ifpforport(sc, p->es_port); + + ifm = &mii->mii_media; + err = ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA); + return (err); +} + +static int +e6060sw_getvgroup(device_t dev, etherswitch_vlangroup_t *vg) +{ + struct e6060sw_softc *sc; + int data; + + sc = device_get_softc(dev); + + if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) { + vg->es_vid = ETHERSWITCH_VID_VALID; + vg->es_vid |= vg->es_vlangroup; + data = MDIO_READREG(device_get_parent(dev), CORE_REGISTER + vg->es_vlangroup, PORT_VLAN_MAP); + vg->es_member_ports = data & 0x3f; + vg->es_untagged_ports = vg->es_member_ports; + vg->es_fid = 0; + } else { + vg->es_vid = 0; + } + return (0); +} + +static int +e6060sw_setvgroup(device_t dev, etherswitch_vlangroup_t *vg) +{ + struct e6060sw_softc *sc; + int data; + + sc = device_get_softc(dev); + + if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) { + data = MDIO_READREG(device_get_parent(dev), CORE_REGISTER + vg->es_vlangroup, PORT_VLAN_MAP); + data &= ~0x3f; + data |= vg->es_member_ports; + MDIO_WRITEREG(device_get_parent(dev), CORE_REGISTER + vg->es_vlangroup, PORT_VLAN_MAP, data); + } + + return (0); +} + +static void +e6060sw_reset_vlans(device_t dev) +{ + struct e6060sw_softc *sc; + uint32_t ports; + int i; + int data; + + sc = device_get_softc(dev); + + for (i = 0; i <= sc->numports; i++) { + ports = (1 << (sc->numports + 1)) - 1; + ports &= ~(1 << i); + if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) { + data = i << 12; + } else { + data = 0; + } + data |= ports; + MDIO_WRITEREG(device_get_parent(dev), CORE_REGISTER + i, PORT_VLAN_MAP, data); + } +} + +static int +e6060sw_getconf(device_t dev, etherswitch_conf_t *conf) +{ + struct e6060sw_softc *sc; + + sc = device_get_softc(dev); + + /* Return the VLAN mode. */ + conf->cmd = ETHERSWITCH_CONF_VLAN_MODE; + conf->vlan_mode = sc->vlan_mode; + + return (0); +} + +static int +e6060sw_setconf(device_t dev, etherswitch_conf_t *conf) +{ + struct e6060sw_softc *sc; + + sc = device_get_softc(dev); + + /* Set the VLAN mode. */ + if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) { + if (conf->vlan_mode == ETHERSWITCH_VLAN_PORT) { + sc->vlan_mode = ETHERSWITCH_VLAN_PORT; + } else { + sc->vlan_mode = 0; + } + + /* Reset VLANs. */ + e6060sw_reset_vlans(dev); + } + + return (0); +} + +static void +e6060sw_statchg(device_t dev) +{ + + DPRINTF(dev, "%s\n", __func__); +} + +static int +e6060sw_ifmedia_upd(struct ifnet *ifp) +{ + struct e6060sw_softc *sc; + struct mii_data *mii; + + sc = ifp->if_softc; + mii = e6060sw_miiforport(sc, ifp->if_dunit); + + DPRINTF(sc->sc_dev, "%s\n", __func__); + if (mii == NULL) + return (ENXIO); + mii_mediachg(mii); + return (0); +} + +static void +e6060sw_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) +{ + struct e6060sw_softc *sc; + struct mii_data *mii; + + sc = ifp->if_softc; + mii = e6060sw_miiforport(sc, ifp->if_dunit); + + DPRINTF(sc->sc_dev, "%s\n", __func__); + + if (mii == NULL) + return; + mii_pollstat(mii); + ifmr->ifm_active = mii->mii_media_active; + ifmr->ifm_status = mii->mii_media_status; +} + +static int +e6060sw_readphy(device_t dev, int phy, int reg) +{ + struct e6060sw_softc *sc; + int data; + + phy += SMI_OFFSET; + + sc = device_get_softc(dev); + E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED); + + if (phy < 0 || phy >= 32) + return (ENXIO); + if (reg < 0 || reg >= 32) + return (ENXIO); + + E6060SW_LOCK(sc); + data = MDIO_READREG(device_get_parent(dev), phy, reg); + E6060SW_UNLOCK(sc); + + return (data); +} + +static int +e6060sw_writephy(device_t dev, int phy, int reg, int data) +{ + struct e6060sw_softc *sc; + int err; + + phy += SMI_OFFSET; + + sc = device_get_softc(dev); + E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED); + + if (phy < 0 || phy >= 32) + return (ENXIO); + if (reg < 0 || reg >= 32) + return (ENXIO); + + E6060SW_LOCK(sc); + err = MDIO_WRITEREG(device_get_parent(dev), phy, reg, data); + E6060SW_UNLOCK(sc); + + return (err); +} + +/* addr is 5-8 bit is SMI Device Addres, 0-4 bit is SMI Register Address */ + +static int +e6060sw_readreg(device_t dev, int addr) +{ + int devaddr, regaddr; + + devaddr = (addr >> 5) & 0xf; + regaddr = addr & 0x1f; + + return MDIO_READREG(device_get_parent(dev), devaddr+SMI_OFFSET, regaddr); +} + +/* addr is 5-8 bit is SMI Device Addres, 0-4 bit is SMI Register Address */ + +static int +e6060sw_writereg(device_t dev, int addr, int value) +{ + int devaddr, regaddr; + + devaddr = (addr >> 5) & 0xf; + regaddr = addr & 0x1f; + + return (MDIO_WRITEREG(device_get_parent(dev), devaddr+SMI_OFFSET, regaddr, value)); +} + +static device_method_t e6060sw_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, e6060sw_probe), + DEVMETHOD(device_attach, e6060sw_attach), + DEVMETHOD(device_detach, e6060sw_detach), + + /* bus interface */ + DEVMETHOD(bus_add_child, device_add_child_ordered), + + /* MII interface */ + DEVMETHOD(miibus_readreg, e6060sw_readphy), + DEVMETHOD(miibus_writereg, e6060sw_writephy), + DEVMETHOD(miibus_statchg, e6060sw_statchg), + + /* MDIO interface */ + DEVMETHOD(mdio_readreg, e6060sw_readphy), + DEVMETHOD(mdio_writereg, e6060sw_writephy), + + /* etherswitch interface */ + DEVMETHOD(etherswitch_lock, e6060sw_lock), + DEVMETHOD(etherswitch_unlock, e6060sw_unlock), + DEVMETHOD(etherswitch_getinfo, e6060sw_getinfo), + DEVMETHOD(etherswitch_readreg, e6060sw_readreg), + DEVMETHOD(etherswitch_writereg, e6060sw_writereg), + DEVMETHOD(etherswitch_readphyreg, e6060sw_readphy), + DEVMETHOD(etherswitch_writephyreg, e6060sw_writephy), + DEVMETHOD(etherswitch_getport, e6060sw_getport), + DEVMETHOD(etherswitch_setport, e6060sw_setport), + DEVMETHOD(etherswitch_getvgroup, e6060sw_getvgroup), + DEVMETHOD(etherswitch_setvgroup, e6060sw_setvgroup), + DEVMETHOD(etherswitch_setconf, e6060sw_setconf), + DEVMETHOD(etherswitch_getconf, e6060sw_getconf), + + DEVMETHOD_END +}; + +DEFINE_CLASS_0(e6060sw, e6060sw_driver, e6060sw_methods, + sizeof(struct e6060sw_softc)); +static devclass_t e6060sw_devclass; + +DRIVER_MODULE(e6060sw, mdio, e6060sw_driver, e6060sw_devclass, 0, 0); +DRIVER_MODULE(miibus, e6060sw, miibus_driver, miibus_devclass, 0, 0); +DRIVER_MODULE(mdio, e6060sw, mdio_driver, mdio_devclass, 0, 0); +DRIVER_MODULE(etherswitch, e6060sw, etherswitch_driver, etherswitch_devclass, 0, 0); +MODULE_VERSION(e6060sw, 1); +MODULE_DEPEND(e6060sw, miibus, 1, 1, 1); /* XXX which versions? */ +MODULE_DEPEND(e6060sw, etherswitch, 1, 1, 1); /* XXX which versions? */
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