arswitch.c revision 262201
1235288Sadrian/*- 2235288Sadrian * Copyright (c) 2011-2012 Stefan Bethke. 3235288Sadrian * Copyright (c) 2012 Adrian Chadd. 4235288Sadrian * All rights reserved. 5235288Sadrian * 6235288Sadrian * Redistribution and use in source and binary forms, with or without 7235288Sadrian * modification, are permitted provided that the following conditions 8235288Sadrian * are met: 9235288Sadrian * 1. Redistributions of source code must retain the above copyright 10235288Sadrian * notice, this list of conditions and the following disclaimer. 11235288Sadrian * 2. Redistributions in binary form must reproduce the above copyright 12235288Sadrian * notice, this list of conditions and the following disclaimer in the 13235288Sadrian * documentation and/or other materials provided with the distribution. 14235288Sadrian * 15235288Sadrian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16235288Sadrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17235288Sadrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18235288Sadrian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19235288Sadrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20235288Sadrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21235288Sadrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22235288Sadrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23235288Sadrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24235288Sadrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25235288Sadrian * SUCH DAMAGE. 26235288Sadrian * 27235288Sadrian * $FreeBSD: head/sys/dev/etherswitch/arswitch/arswitch.c 262201 2014-02-19 04:30:53Z adrian $ 28235288Sadrian */ 29235288Sadrian 30235288Sadrian#include <sys/param.h> 31235288Sadrian#include <sys/bus.h> 32235288Sadrian#include <sys/errno.h> 33235288Sadrian#include <sys/kernel.h> 34257284Sglebius#include <sys/malloc.h> 35235288Sadrian#include <sys/module.h> 36235288Sadrian#include <sys/socket.h> 37235288Sadrian#include <sys/sockio.h> 38235288Sadrian#include <sys/sysctl.h> 39235288Sadrian#include <sys/systm.h> 40235288Sadrian 41235288Sadrian#include <net/if.h> 42257284Sglebius#include <net/if_var.h> 43235288Sadrian#include <net/if_arp.h> 44235288Sadrian#include <net/ethernet.h> 45235288Sadrian#include <net/if_dl.h> 46235288Sadrian#include <net/if_media.h> 47235288Sadrian#include <net/if_types.h> 48235288Sadrian 49235288Sadrian#include <machine/bus.h> 50235288Sadrian#include <dev/iicbus/iic.h> 51235288Sadrian#include <dev/iicbus/iiconf.h> 52235288Sadrian#include <dev/iicbus/iicbus.h> 53235288Sadrian#include <dev/mii/mii.h> 54235288Sadrian#include <dev/mii/miivar.h> 55235288Sadrian#include <dev/etherswitch/mdio.h> 56235288Sadrian 57235288Sadrian#include <dev/etherswitch/etherswitch.h> 58235288Sadrian 59235288Sadrian#include <dev/etherswitch/arswitch/arswitchreg.h> 60235288Sadrian#include <dev/etherswitch/arswitch/arswitchvar.h> 61235288Sadrian#include <dev/etherswitch/arswitch/arswitch_reg.h> 62235288Sadrian#include <dev/etherswitch/arswitch/arswitch_phy.h> 63253572Sloos#include <dev/etherswitch/arswitch/arswitch_vlans.h> 64235288Sadrian 65235323Sadrian#include <dev/etherswitch/arswitch/arswitch_7240.h> 66235288Sadrian#include <dev/etherswitch/arswitch/arswitch_8216.h> 67235288Sadrian#include <dev/etherswitch/arswitch/arswitch_8226.h> 68235288Sadrian#include <dev/etherswitch/arswitch/arswitch_8316.h> 69256582Sadrian#include <dev/etherswitch/arswitch/arswitch_9340.h> 70235288Sadrian 71235288Sadrian#include "mdio_if.h" 72235288Sadrian#include "miibus_if.h" 73235288Sadrian#include "etherswitch_if.h" 74235288Sadrian 75235288Sadrian#if defined(DEBUG) 76235288Sadrianstatic SYSCTL_NODE(_debug, OID_AUTO, arswitch, CTLFLAG_RD, 0, "arswitch"); 77235288Sadrian#endif 78235288Sadrian 79235288Sadrianstatic inline int arswitch_portforphy(int phy); 80235288Sadrianstatic void arswitch_tick(void *arg); 81235288Sadrianstatic int arswitch_ifmedia_upd(struct ifnet *); 82235288Sadrianstatic void arswitch_ifmedia_sts(struct ifnet *, struct ifmediareq *); 83235288Sadrian 84235288Sadrianstatic int 85235288Sadrianarswitch_probe(device_t dev) 86235288Sadrian{ 87235288Sadrian struct arswitch_softc *sc; 88235288Sadrian uint32_t id; 89235288Sadrian char *chipname, desc[256]; 90235288Sadrian 91235288Sadrian sc = device_get_softc(dev); 92235288Sadrian bzero(sc, sizeof(*sc)); 93235288Sadrian sc->page = -1; 94235323Sadrian 95235323Sadrian /* AR7240 probe */ 96235323Sadrian if (ar7240_probe(dev) == 0) { 97235323Sadrian chipname = "AR7240"; 98235323Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR7240; 99256582Sadrian sc->is_internal_switch = 1; 100241577Sray id = 0; 101235323Sadrian goto done; 102235323Sadrian } 103235323Sadrian 104256582Sadrian /* AR9340 probe */ 105256582Sadrian if (ar9340_probe(dev) == 0) { 106256582Sadrian chipname = "AR9340"; 107256582Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR9340; 108256582Sadrian sc->is_internal_switch = 1; 109256582Sadrian id = 0; 110256582Sadrian goto done; 111256582Sadrian } 112256582Sadrian 113235323Sadrian /* AR8xxx probe */ 114235288Sadrian id = arswitch_readreg(dev, AR8X16_REG_MASK_CTRL); 115262201Sadrian sc->chip_rev = (id & AR8X16_MASK_CTRL_REV_MASK); 116262201Sadrian sc->chip_ver = (id & AR8X16_MASK_CTRL_VER_MASK) > AR8X16_MASK_CTRL_VER_SHIFT; 117256582Sadrian switch (id & (AR8X16_MASK_CTRL_VER_MASK | AR8X16_MASK_CTRL_REV_MASK)) { 118256582Sadrian case 0x0101: 119235288Sadrian chipname = "AR8216"; 120235288Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR8216; 121235288Sadrian break; 122256582Sadrian case 0x0201: 123235288Sadrian chipname = "AR8226"; 124235288Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR8226; 125235288Sadrian break; 126256582Sadrian /* 0x0301 - AR8236 */ 127256582Sadrian case 0x1000: 128256582Sadrian case 0x1001: 129235288Sadrian chipname = "AR8316"; 130235288Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR8316; 131235288Sadrian break; 132235288Sadrian default: 133235288Sadrian chipname = NULL; 134235288Sadrian } 135235323Sadrian 136235323Sadriandone: 137256582Sadrian 138256582Sadrian DPRINTF(dev, "chipname=%s, id=%08x\n", chipname, id); 139235288Sadrian if (chipname != NULL) { 140235288Sadrian snprintf(desc, sizeof(desc), 141235288Sadrian "Atheros %s Ethernet Switch", 142235288Sadrian chipname); 143235288Sadrian device_set_desc_copy(dev, desc); 144235288Sadrian return (BUS_PROBE_DEFAULT); 145235288Sadrian } 146235288Sadrian return (ENXIO); 147235288Sadrian} 148235288Sadrian 149235288Sadrianstatic int 150235288Sadrianarswitch_attach_phys(struct arswitch_softc *sc) 151235288Sadrian{ 152235288Sadrian int phy, err = 0; 153235288Sadrian char name[IFNAMSIZ]; 154235288Sadrian 155235288Sadrian /* PHYs need an interface, so we generate a dummy one */ 156235288Sadrian snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev)); 157235288Sadrian for (phy = 0; phy < sc->numphys; phy++) { 158235288Sadrian sc->ifp[phy] = if_alloc(IFT_ETHER); 159235288Sadrian sc->ifp[phy]->if_softc = sc; 160235288Sadrian sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST | 161235288Sadrian IFF_DRV_RUNNING | IFF_SIMPLEX; 162235288Sadrian sc->ifname[phy] = malloc(strlen(name)+1, M_DEVBUF, M_WAITOK); 163235288Sadrian bcopy(name, sc->ifname[phy], strlen(name)+1); 164235288Sadrian if_initname(sc->ifp[phy], sc->ifname[phy], 165235288Sadrian arswitch_portforphy(phy)); 166235288Sadrian err = mii_attach(sc->sc_dev, &sc->miibus[phy], sc->ifp[phy], 167235288Sadrian arswitch_ifmedia_upd, arswitch_ifmedia_sts, \ 168235288Sadrian BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0); 169235288Sadrian DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n", 170235288Sadrian device_get_nameunit(sc->miibus[phy]), 171235288Sadrian sc->ifp[phy]->if_xname); 172235288Sadrian if (err != 0) { 173235288Sadrian device_printf(sc->sc_dev, 174235288Sadrian "attaching PHY %d failed\n", 175235288Sadrian phy); 176235288Sadrian } 177235288Sadrian } 178235288Sadrian return (err); 179235288Sadrian} 180235288Sadrian 181235288Sadrianstatic int 182253572Sloosarswitch_reset(device_t dev) 183253572Sloos{ 184253572Sloos 185253572Sloos arswitch_writereg(dev, AR8X16_REG_MASK_CTRL, 186253572Sloos AR8X16_MASK_CTRL_SOFT_RESET); 187253572Sloos DELAY(1000); 188253572Sloos if (arswitch_readreg(dev, AR8X16_REG_MASK_CTRL) & 189253572Sloos AR8X16_MASK_CTRL_SOFT_RESET) { 190253572Sloos device_printf(dev, "unable to reset switch\n"); 191253572Sloos return (-1); 192253572Sloos } 193253572Sloos return (0); 194253572Sloos} 195253572Sloos 196253572Sloosstatic int 197253572Sloosarswitch_set_vlan_mode(struct arswitch_softc *sc, uint32_t mode) 198253572Sloos{ 199253572Sloos 200253572Sloos /* Check for invalid modes. */ 201253572Sloos if ((mode & sc->info.es_vlan_caps) != mode) 202253572Sloos return (EINVAL); 203253572Sloos 204253572Sloos switch (mode) { 205253572Sloos case ETHERSWITCH_VLAN_DOT1Q: 206253572Sloos sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q; 207253572Sloos break; 208253572Sloos case ETHERSWITCH_VLAN_PORT: 209253572Sloos sc->vlan_mode = ETHERSWITCH_VLAN_PORT; 210253572Sloos break; 211253572Sloos default: 212253572Sloos sc->vlan_mode = 0; 213253572Sloos }; 214253572Sloos 215253572Sloos /* Reset VLANs. */ 216253572Sloos arswitch_reset_vlans(sc); 217253572Sloos 218253572Sloos return (0); 219253572Sloos} 220253572Sloos 221253572Sloosstatic void 222253572Sloosarswitch_ports_init(struct arswitch_softc *sc) 223253572Sloos{ 224253572Sloos int port; 225253572Sloos 226253572Sloos /* Port0 - CPU */ 227253572Sloos arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(0), 228253572Sloos (AR8X16_IS_SWITCH(sc, AR8216) ? 229253572Sloos AR8X16_PORT_STS_SPEED_100 : AR8X16_PORT_STS_SPEED_1000) | 230253572Sloos (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_RXFLOW) | 231253572Sloos (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_TXFLOW) | 232253572Sloos AR8X16_PORT_STS_RXMAC | 233253572Sloos AR8X16_PORT_STS_TXMAC | 234253572Sloos AR8X16_PORT_STS_DUPLEX); 235253572Sloos arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0), 236253572Sloos arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0)) & 237253572Sloos ~AR8X16_PORT_CTRL_HEADER); 238253572Sloos 239253572Sloos for (port = 1; port <= sc->numphys; port++) { 240253572Sloos /* Set ports to auto negotiation. */ 241253572Sloos arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(port), 242253572Sloos AR8X16_PORT_STS_LINK_AUTO); 243253572Sloos arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port), 244253572Sloos arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port)) & 245253572Sloos ~AR8X16_PORT_CTRL_HEADER); 246253572Sloos } 247253572Sloos} 248253572Sloos 249253572Sloosstatic int 250235288Sadrianarswitch_attach(device_t dev) 251235288Sadrian{ 252235288Sadrian struct arswitch_softc *sc; 253235288Sadrian int err = 0; 254235288Sadrian 255235288Sadrian sc = device_get_softc(dev); 256235288Sadrian 257235288Sadrian /* sc->sc_switchtype is already decided in arswitch_probe() */ 258235288Sadrian sc->sc_dev = dev; 259235288Sadrian mtx_init(&sc->sc_mtx, "arswitch", NULL, MTX_DEF); 260235288Sadrian sc->page = -1; 261235288Sadrian strlcpy(sc->info.es_name, device_get_desc(dev), 262235288Sadrian sizeof(sc->info.es_name)); 263235288Sadrian 264235288Sadrian /* 265235288Sadrian * Attach switch related functions 266235288Sadrian */ 267235323Sadrian if (AR8X16_IS_SWITCH(sc, AR7240)) 268235323Sadrian ar7240_attach(sc); 269256582Sadrian else if (AR8X16_IS_SWITCH(sc, AR9340)) 270256582Sadrian ar9340_attach(sc); 271235323Sadrian else if (AR8X16_IS_SWITCH(sc, AR8216)) 272235288Sadrian ar8216_attach(sc); 273235288Sadrian else if (AR8X16_IS_SWITCH(sc, AR8226)) 274235288Sadrian ar8226_attach(sc); 275235288Sadrian else if (AR8X16_IS_SWITCH(sc, AR8316)) 276235288Sadrian ar8316_attach(sc); 277235288Sadrian else 278235288Sadrian return (ENXIO); 279235288Sadrian 280253572Sloos /* Common defaults. */ 281235288Sadrian sc->info.es_nports = 5; /* XXX technically 6, but 6th not used */ 282235288Sadrian 283235288Sadrian /* XXX Defaults for externally connected AR8316 */ 284235288Sadrian sc->numphys = 4; 285235288Sadrian sc->phy4cpu = 1; 286235288Sadrian sc->is_rgmii = 1; 287235288Sadrian sc->is_gmii = 0; 288256582Sadrian sc->is_mii = 0; 289235288Sadrian 290235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 291235288Sadrian "numphys", &sc->numphys); 292235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 293235288Sadrian "phy4cpu", &sc->phy4cpu); 294235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 295235288Sadrian "is_rgmii", &sc->is_rgmii); 296235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 297235288Sadrian "is_gmii", &sc->is_gmii); 298256582Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 299256582Sadrian "is_mii", &sc->is_mii); 300235288Sadrian 301253572Sloos if (sc->numphys > AR8X16_NUM_PHYS) 302253572Sloos sc->numphys = AR8X16_NUM_PHYS; 303253572Sloos 304253572Sloos /* Reset the switch. */ 305253572Sloos if (arswitch_reset(dev)) 306235288Sadrian return (ENXIO); 307235288Sadrian 308256582Sadrian err = sc->hal.arswitch_hw_setup(sc); 309256582Sadrian if (err != 0) 310256582Sadrian return (err); 311256582Sadrian 312235288Sadrian err = sc->hal.arswitch_hw_global_setup(sc); 313235288Sadrian if (err != 0) 314235288Sadrian return (err); 315235288Sadrian 316253572Sloos /* Initialize the switch ports. */ 317253572Sloos arswitch_ports_init(sc); 318253572Sloos 319235288Sadrian /* 320235288Sadrian * Attach the PHYs and complete the bus enumeration. 321235288Sadrian */ 322235288Sadrian err = arswitch_attach_phys(sc); 323235288Sadrian if (err != 0) 324235288Sadrian return (err); 325235288Sadrian 326253572Sloos /* Default to ingress filters off. */ 327253572Sloos err = arswitch_set_vlan_mode(sc, 0); 328253572Sloos if (err != 0) 329253572Sloos return (err); 330253572Sloos 331235288Sadrian bus_generic_probe(dev); 332235288Sadrian bus_enumerate_hinted_children(dev); 333235288Sadrian err = bus_generic_attach(dev); 334235288Sadrian if (err != 0) 335235288Sadrian return (err); 336235288Sadrian 337235288Sadrian callout_init_mtx(&sc->callout_tick, &sc->sc_mtx, 0); 338241578Sray 339241578Sray ARSWITCH_LOCK(sc); 340235288Sadrian arswitch_tick(sc); 341241578Sray ARSWITCH_UNLOCK(sc); 342235288Sadrian 343235288Sadrian return (err); 344235288Sadrian} 345235288Sadrian 346235288Sadrianstatic int 347235288Sadrianarswitch_detach(device_t dev) 348235288Sadrian{ 349235288Sadrian struct arswitch_softc *sc = device_get_softc(dev); 350235288Sadrian int i; 351235288Sadrian 352235288Sadrian callout_drain(&sc->callout_tick); 353235288Sadrian 354235288Sadrian for (i=0; i < sc->numphys; i++) { 355235288Sadrian if (sc->miibus[i] != NULL) 356235288Sadrian device_delete_child(dev, sc->miibus[i]); 357235288Sadrian if (sc->ifp[i] != NULL) 358235288Sadrian if_free(sc->ifp[i]); 359235288Sadrian free(sc->ifname[i], M_DEVBUF); 360235288Sadrian } 361235288Sadrian 362235288Sadrian bus_generic_detach(dev); 363235288Sadrian mtx_destroy(&sc->sc_mtx); 364235288Sadrian 365235288Sadrian return (0); 366235288Sadrian} 367235288Sadrian 368235288Sadrian/* 369235288Sadrian * Convert PHY number to port number. PHY0 is connected to port 1, PHY1 to 370235288Sadrian * port 2, etc. 371235288Sadrian */ 372235288Sadrianstatic inline int 373235288Sadrianarswitch_portforphy(int phy) 374235288Sadrian{ 375235288Sadrian return (phy+1); 376235288Sadrian} 377235288Sadrian 378235288Sadrianstatic inline struct mii_data * 379235288Sadrianarswitch_miiforport(struct arswitch_softc *sc, int port) 380235288Sadrian{ 381235288Sadrian int phy = port-1; 382235288Sadrian 383235288Sadrian if (phy < 0 || phy >= sc->numphys) 384235288Sadrian return (NULL); 385235288Sadrian return (device_get_softc(sc->miibus[phy])); 386235288Sadrian} 387235288Sadrian 388235288Sadrianstatic inline struct ifnet * 389235288Sadrianarswitch_ifpforport(struct arswitch_softc *sc, int port) 390235288Sadrian{ 391235288Sadrian int phy = port-1; 392235288Sadrian 393235288Sadrian if (phy < 0 || phy >= sc->numphys) 394235288Sadrian return (NULL); 395235288Sadrian return (sc->ifp[phy]); 396235288Sadrian} 397235288Sadrian 398235288Sadrian/* 399235288Sadrian * Convert port status to ifmedia. 400235288Sadrian */ 401235288Sadrianstatic void 402235288Sadrianarswitch_update_ifmedia(int portstatus, u_int *media_status, u_int *media_active) 403235288Sadrian{ 404235288Sadrian *media_active = IFM_ETHER; 405235288Sadrian *media_status = IFM_AVALID; 406235288Sadrian 407235288Sadrian if ((portstatus & AR8X16_PORT_STS_LINK_UP) != 0) 408235288Sadrian *media_status |= IFM_ACTIVE; 409235288Sadrian else { 410235288Sadrian *media_active |= IFM_NONE; 411235288Sadrian return; 412235288Sadrian } 413235288Sadrian switch (portstatus & AR8X16_PORT_STS_SPEED_MASK) { 414235288Sadrian case AR8X16_PORT_STS_SPEED_10: 415235288Sadrian *media_active |= IFM_10_T; 416235288Sadrian break; 417235288Sadrian case AR8X16_PORT_STS_SPEED_100: 418235288Sadrian *media_active |= IFM_100_TX; 419235288Sadrian break; 420235288Sadrian case AR8X16_PORT_STS_SPEED_1000: 421235288Sadrian *media_active |= IFM_1000_T; 422235288Sadrian break; 423235288Sadrian } 424235288Sadrian if ((portstatus & AR8X16_PORT_STS_DUPLEX) == 0) 425235288Sadrian *media_active |= IFM_FDX; 426235288Sadrian else 427235288Sadrian *media_active |= IFM_HDX; 428235288Sadrian if ((portstatus & AR8X16_PORT_STS_TXFLOW) != 0) 429235288Sadrian *media_active |= IFM_ETH_TXPAUSE; 430235288Sadrian if ((portstatus & AR8X16_PORT_STS_RXFLOW) != 0) 431235288Sadrian *media_active |= IFM_ETH_RXPAUSE; 432235288Sadrian} 433235288Sadrian 434235288Sadrian/* 435235288Sadrian * Poll the status for all PHYs. We're using the switch port status because 436235288Sadrian * thats a lot quicker to read than talking to all the PHYs. Care must be 437235288Sadrian * taken that the resulting ifmedia_active is identical to what the PHY will 438235288Sadrian * compute, or gratuitous link status changes will occur whenever the PHYs 439235288Sadrian * update function is called. 440235288Sadrian */ 441235288Sadrianstatic void 442235288Sadrianarswitch_miipollstat(struct arswitch_softc *sc) 443235288Sadrian{ 444235288Sadrian int i; 445235288Sadrian struct mii_data *mii; 446235288Sadrian struct mii_softc *miisc; 447235288Sadrian int portstatus; 448235288Sadrian 449241578Sray ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 450241578Sray 451235288Sadrian for (i = 0; i < sc->numphys; i++) { 452235288Sadrian if (sc->miibus[i] == NULL) 453235288Sadrian continue; 454235288Sadrian mii = device_get_softc(sc->miibus[i]); 455235288Sadrian portstatus = arswitch_readreg(sc->sc_dev, 456235288Sadrian AR8X16_REG_PORT_STS(arswitch_portforphy(i))); 457235288Sadrian#if 0 458235288Sadrian DPRINTF(sc->sc_dev, "p[%d]=%b\n", 459256582Sadrian i, 460235288Sadrian portstatus, 461235288Sadrian "\20\3TXMAC\4RXMAC\5TXFLOW\6RXFLOW\7" 462235288Sadrian "DUPLEX\11LINK_UP\12LINK_AUTO\13LINK_PAUSE"); 463235288Sadrian#endif 464235288Sadrian arswitch_update_ifmedia(portstatus, &mii->mii_media_status, 465235288Sadrian &mii->mii_media_active); 466235288Sadrian LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { 467235288Sadrian if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) != 468235288Sadrian miisc->mii_inst) 469235288Sadrian continue; 470235288Sadrian mii_phy_update(miisc, MII_POLLSTAT); 471235288Sadrian } 472235288Sadrian } 473235288Sadrian} 474235288Sadrian 475235288Sadrianstatic void 476235288Sadrianarswitch_tick(void *arg) 477235288Sadrian{ 478235288Sadrian struct arswitch_softc *sc = arg; 479235288Sadrian 480235288Sadrian arswitch_miipollstat(sc); 481235288Sadrian callout_reset(&sc->callout_tick, hz, arswitch_tick, sc); 482235288Sadrian} 483235288Sadrian 484241578Sraystatic void 485241578Srayarswitch_lock(device_t dev) 486241578Sray{ 487241578Sray struct arswitch_softc *sc = device_get_softc(dev); 488241578Sray 489241578Sray ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 490241578Sray ARSWITCH_LOCK(sc); 491241578Sray} 492241578Sray 493241578Sraystatic void 494241578Srayarswitch_unlock(device_t dev) 495241578Sray{ 496241578Sray struct arswitch_softc *sc = device_get_softc(dev); 497241578Sray 498241578Sray ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 499241578Sray ARSWITCH_UNLOCK(sc); 500241578Sray} 501241578Sray 502235288Sadrianstatic etherswitch_info_t * 503235288Sadrianarswitch_getinfo(device_t dev) 504235288Sadrian{ 505235288Sadrian struct arswitch_softc *sc = device_get_softc(dev); 506235288Sadrian 507235288Sadrian return (&sc->info); 508235288Sadrian} 509235288Sadrian 510235288Sadrianstatic int 511235288Sadrianarswitch_getport(device_t dev, etherswitch_port_t *p) 512235288Sadrian{ 513253572Sloos struct arswitch_softc *sc; 514253572Sloos struct ifmediareq *ifmr; 515235288Sadrian struct mii_data *mii; 516253572Sloos uint32_t reg; 517235288Sadrian int err; 518253572Sloos 519253572Sloos sc = device_get_softc(dev); 520253572Sloos if (p->es_port < 0 || p->es_port > sc->numphys) 521235288Sadrian return (ENXIO); 522235288Sadrian 523253572Sloos ARSWITCH_LOCK(sc); 524253572Sloos 525253572Sloos /* Retrieve the PVID. */ 526253572Sloos arswitch_get_pvid(sc, p->es_port, &p->es_pvid); 527253572Sloos 528253572Sloos /* Port flags. */ 529253572Sloos reg = arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(p->es_port)); 530253572Sloos if (reg & AR8X16_PORT_CTRL_DOUBLE_TAG) 531253572Sloos p->es_flags |= ETHERSWITCH_PORT_DOUBLE_TAG; 532253572Sloos reg >>= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 533253572Sloos if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD) 534253572Sloos p->es_flags |= ETHERSWITCH_PORT_ADDTAG; 535253572Sloos if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP) 536253572Sloos p->es_flags |= ETHERSWITCH_PORT_STRIPTAG; 537253572Sloos ARSWITCH_UNLOCK(sc); 538253572Sloos 539235288Sadrian mii = arswitch_miiforport(sc, p->es_port); 540235288Sadrian if (p->es_port == 0) { 541235288Sadrian /* fill in fixed values for CPU port */ 542250383Sadrian p->es_flags |= ETHERSWITCH_PORT_CPU; 543253572Sloos ifmr = &p->es_ifmr; 544235288Sadrian ifmr->ifm_count = 0; 545235288Sadrian ifmr->ifm_current = ifmr->ifm_active = 546235288Sadrian IFM_ETHER | IFM_1000_T | IFM_FDX; 547235288Sadrian ifmr->ifm_mask = 0; 548235288Sadrian ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID; 549235288Sadrian } else if (mii != NULL) { 550235288Sadrian err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, 551235288Sadrian &mii->mii_media, SIOCGIFMEDIA); 552235288Sadrian if (err) 553235288Sadrian return (err); 554235288Sadrian } else { 555235288Sadrian return (ENXIO); 556235288Sadrian } 557235288Sadrian return (0); 558235288Sadrian} 559235288Sadrian 560235288Sadrianstatic int 561235288Sadrianarswitch_setport(device_t dev, etherswitch_port_t *p) 562235288Sadrian{ 563235288Sadrian int err; 564253572Sloos uint32_t reg; 565235288Sadrian struct arswitch_softc *sc; 566235288Sadrian struct ifmedia *ifm; 567235288Sadrian struct mii_data *mii; 568235288Sadrian struct ifnet *ifp; 569235288Sadrian 570253572Sloos sc = device_get_softc(dev); 571253572Sloos if (p->es_port < 0 || p->es_port > sc->numphys) 572235288Sadrian return (ENXIO); 573235288Sadrian 574253572Sloos /* Port flags. */ 575253572Sloos if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 576235288Sadrian 577253572Sloos ARSWITCH_LOCK(sc); 578253572Sloos /* Set the PVID. */ 579253572Sloos if (p->es_pvid != 0) 580253572Sloos arswitch_set_pvid(sc, p->es_port, p->es_pvid); 581235288Sadrian 582253572Sloos /* Mutually exclusive. */ 583253572Sloos if (p->es_flags & ETHERSWITCH_PORT_ADDTAG && 584253572Sloos p->es_flags & ETHERSWITCH_PORT_STRIPTAG) { 585253572Sloos ARSWITCH_UNLOCK(sc); 586253572Sloos return (EINVAL); 587253572Sloos } 588253572Sloos 589253572Sloos reg = 0; 590253572Sloos if (p->es_flags & ETHERSWITCH_PORT_DOUBLE_TAG) 591253572Sloos reg |= AR8X16_PORT_CTRL_DOUBLE_TAG; 592253572Sloos if (p->es_flags & ETHERSWITCH_PORT_ADDTAG) 593253572Sloos reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD << 594253572Sloos AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 595253572Sloos if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG) 596253572Sloos reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP << 597253572Sloos AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 598253572Sloos 599253572Sloos err = arswitch_modifyreg(sc->sc_dev, 600253572Sloos AR8X16_REG_PORT_CTRL(p->es_port), 601253572Sloos 0x3 << AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT | 602253572Sloos AR8X16_PORT_CTRL_DOUBLE_TAG, reg); 603253572Sloos 604253572Sloos ARSWITCH_UNLOCK(sc); 605253572Sloos if (err) 606253572Sloos return (err); 607253572Sloos } 608253572Sloos 609253572Sloos /* Do not allow media changes on CPU port. */ 610253572Sloos if (p->es_port == AR8X16_PORT_CPU) 611253572Sloos return (0); 612253572Sloos 613235288Sadrian mii = arswitch_miiforport(sc, p->es_port); 614235288Sadrian if (mii == NULL) 615235288Sadrian return (ENXIO); 616235288Sadrian 617235288Sadrian ifp = arswitch_ifpforport(sc, p->es_port); 618235288Sadrian 619235288Sadrian ifm = &mii->mii_media; 620253572Sloos return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA)); 621235288Sadrian} 622235288Sadrian 623235288Sadrianstatic void 624235288Sadrianarswitch_statchg(device_t dev) 625235288Sadrian{ 626235288Sadrian 627235288Sadrian DPRINTF(dev, "%s\n", __func__); 628235288Sadrian} 629235288Sadrian 630235288Sadrianstatic int 631235288Sadrianarswitch_ifmedia_upd(struct ifnet *ifp) 632235288Sadrian{ 633235288Sadrian struct arswitch_softc *sc = ifp->if_softc; 634235288Sadrian struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 635235288Sadrian 636235288Sadrian if (mii == NULL) 637235288Sadrian return (ENXIO); 638235288Sadrian mii_mediachg(mii); 639235288Sadrian return (0); 640235288Sadrian} 641235288Sadrian 642235288Sadrianstatic void 643235288Sadrianarswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 644235288Sadrian{ 645235288Sadrian struct arswitch_softc *sc = ifp->if_softc; 646235288Sadrian struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 647235288Sadrian 648235288Sadrian DPRINTF(sc->sc_dev, "%s\n", __func__); 649235288Sadrian 650235288Sadrian if (mii == NULL) 651235288Sadrian return; 652235288Sadrian mii_pollstat(mii); 653235288Sadrian ifmr->ifm_active = mii->mii_media_active; 654235288Sadrian ifmr->ifm_status = mii->mii_media_status; 655235288Sadrian} 656235288Sadrian 657253572Sloosstatic int 658253572Sloosarswitch_getconf(device_t dev, etherswitch_conf_t *conf) 659253572Sloos{ 660253572Sloos struct arswitch_softc *sc; 661253572Sloos 662253572Sloos sc = device_get_softc(dev); 663253572Sloos 664253572Sloos /* Return the VLAN mode. */ 665253572Sloos conf->cmd = ETHERSWITCH_CONF_VLAN_MODE; 666253572Sloos conf->vlan_mode = sc->vlan_mode; 667253572Sloos 668253572Sloos return (0); 669253572Sloos} 670253572Sloos 671253572Sloosstatic int 672253572Sloosarswitch_setconf(device_t dev, etherswitch_conf_t *conf) 673253572Sloos{ 674253572Sloos struct arswitch_softc *sc; 675253572Sloos int err; 676253572Sloos 677253572Sloos sc = device_get_softc(dev); 678253572Sloos 679253572Sloos /* Set the VLAN mode. */ 680253572Sloos if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) { 681253572Sloos err = arswitch_set_vlan_mode(sc, conf->vlan_mode); 682253572Sloos if (err != 0) 683253572Sloos return (err); 684253572Sloos } 685253572Sloos 686253572Sloos return (0); 687253572Sloos} 688253572Sloos 689235288Sadrianstatic device_method_t arswitch_methods[] = { 690235288Sadrian /* Device interface */ 691235288Sadrian DEVMETHOD(device_probe, arswitch_probe), 692235288Sadrian DEVMETHOD(device_attach, arswitch_attach), 693235288Sadrian DEVMETHOD(device_detach, arswitch_detach), 694235288Sadrian 695235288Sadrian /* bus interface */ 696235288Sadrian DEVMETHOD(bus_add_child, device_add_child_ordered), 697235288Sadrian 698235288Sadrian /* MII interface */ 699235288Sadrian DEVMETHOD(miibus_readreg, arswitch_readphy), 700235288Sadrian DEVMETHOD(miibus_writereg, arswitch_writephy), 701235288Sadrian DEVMETHOD(miibus_statchg, arswitch_statchg), 702235288Sadrian 703235288Sadrian /* MDIO interface */ 704235288Sadrian DEVMETHOD(mdio_readreg, arswitch_readphy), 705235288Sadrian DEVMETHOD(mdio_writereg, arswitch_writephy), 706235288Sadrian 707235288Sadrian /* etherswitch interface */ 708241578Sray DEVMETHOD(etherswitch_lock, arswitch_lock), 709241578Sray DEVMETHOD(etherswitch_unlock, arswitch_unlock), 710235288Sadrian DEVMETHOD(etherswitch_getinfo, arswitch_getinfo), 711235288Sadrian DEVMETHOD(etherswitch_readreg, arswitch_readreg), 712235288Sadrian DEVMETHOD(etherswitch_writereg, arswitch_writereg), 713235288Sadrian DEVMETHOD(etherswitch_readphyreg, arswitch_readphy), 714235288Sadrian DEVMETHOD(etherswitch_writephyreg, arswitch_writephy), 715235288Sadrian DEVMETHOD(etherswitch_getport, arswitch_getport), 716235288Sadrian DEVMETHOD(etherswitch_setport, arswitch_setport), 717235288Sadrian DEVMETHOD(etherswitch_getvgroup, arswitch_getvgroup), 718235288Sadrian DEVMETHOD(etherswitch_setvgroup, arswitch_setvgroup), 719253572Sloos DEVMETHOD(etherswitch_getconf, arswitch_getconf), 720253572Sloos DEVMETHOD(etherswitch_setconf, arswitch_setconf), 721235288Sadrian 722235288Sadrian DEVMETHOD_END 723235288Sadrian}; 724235288Sadrian 725235288SadrianDEFINE_CLASS_0(arswitch, arswitch_driver, arswitch_methods, 726235288Sadrian sizeof(struct arswitch_softc)); 727235288Sadrianstatic devclass_t arswitch_devclass; 728235288Sadrian 729235288SadrianDRIVER_MODULE(arswitch, mdio, arswitch_driver, arswitch_devclass, 0, 0); 730235288SadrianDRIVER_MODULE(miibus, arswitch, miibus_driver, miibus_devclass, 0, 0); 731235288SadrianDRIVER_MODULE(mdio, arswitch, mdio_driver, mdio_devclass, 0, 0); 732235288SadrianDRIVER_MODULE(etherswitch, arswitch, etherswitch_driver, etherswitch_devclass, 0, 0); 733235288SadrianMODULE_VERSION(arswitch, 1); 734235288SadrianMODULE_DEPEND(arswitch, miibus, 1, 1, 1); /* XXX which versions? */ 735235288SadrianMODULE_DEPEND(arswitch, etherswitch, 1, 1, 1); /* XXX which versions? */ 736