arswitch.c revision 262203
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 262203 2014-02-19 05:35:41Z 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; 132262202Sadrian case 0x1202: 133262202Sadrian chipname = "AR8327"; 134262202Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR8327; 135262202Sadrian sc->mii_lo_first = 1; 136262202Sadrian break; 137235288Sadrian default: 138235288Sadrian chipname = NULL; 139235288Sadrian } 140235323Sadrian 141235323Sadriandone: 142256582Sadrian 143256582Sadrian DPRINTF(dev, "chipname=%s, id=%08x\n", chipname, id); 144235288Sadrian if (chipname != NULL) { 145235288Sadrian snprintf(desc, sizeof(desc), 146235288Sadrian "Atheros %s Ethernet Switch", 147235288Sadrian chipname); 148235288Sadrian device_set_desc_copy(dev, desc); 149235288Sadrian return (BUS_PROBE_DEFAULT); 150235288Sadrian } 151235288Sadrian return (ENXIO); 152235288Sadrian} 153235288Sadrian 154235288Sadrianstatic int 155235288Sadrianarswitch_attach_phys(struct arswitch_softc *sc) 156235288Sadrian{ 157235288Sadrian int phy, err = 0; 158235288Sadrian char name[IFNAMSIZ]; 159235288Sadrian 160235288Sadrian /* PHYs need an interface, so we generate a dummy one */ 161235288Sadrian snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev)); 162235288Sadrian for (phy = 0; phy < sc->numphys; phy++) { 163235288Sadrian sc->ifp[phy] = if_alloc(IFT_ETHER); 164235288Sadrian sc->ifp[phy]->if_softc = sc; 165235288Sadrian sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST | 166235288Sadrian IFF_DRV_RUNNING | IFF_SIMPLEX; 167235288Sadrian sc->ifname[phy] = malloc(strlen(name)+1, M_DEVBUF, M_WAITOK); 168235288Sadrian bcopy(name, sc->ifname[phy], strlen(name)+1); 169235288Sadrian if_initname(sc->ifp[phy], sc->ifname[phy], 170235288Sadrian arswitch_portforphy(phy)); 171235288Sadrian err = mii_attach(sc->sc_dev, &sc->miibus[phy], sc->ifp[phy], 172235288Sadrian arswitch_ifmedia_upd, arswitch_ifmedia_sts, \ 173235288Sadrian BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0); 174235288Sadrian DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n", 175235288Sadrian device_get_nameunit(sc->miibus[phy]), 176235288Sadrian sc->ifp[phy]->if_xname); 177235288Sadrian if (err != 0) { 178235288Sadrian device_printf(sc->sc_dev, 179235288Sadrian "attaching PHY %d failed\n", 180235288Sadrian phy); 181235288Sadrian } 182235288Sadrian } 183235288Sadrian return (err); 184235288Sadrian} 185235288Sadrian 186235288Sadrianstatic int 187253572Sloosarswitch_reset(device_t dev) 188253572Sloos{ 189253572Sloos 190253572Sloos arswitch_writereg(dev, AR8X16_REG_MASK_CTRL, 191253572Sloos AR8X16_MASK_CTRL_SOFT_RESET); 192253572Sloos DELAY(1000); 193253572Sloos if (arswitch_readreg(dev, AR8X16_REG_MASK_CTRL) & 194253572Sloos AR8X16_MASK_CTRL_SOFT_RESET) { 195253572Sloos device_printf(dev, "unable to reset switch\n"); 196253572Sloos return (-1); 197253572Sloos } 198253572Sloos return (0); 199253572Sloos} 200253572Sloos 201253572Sloosstatic int 202253572Sloosarswitch_set_vlan_mode(struct arswitch_softc *sc, uint32_t mode) 203253572Sloos{ 204253572Sloos 205253572Sloos /* Check for invalid modes. */ 206253572Sloos if ((mode & sc->info.es_vlan_caps) != mode) 207253572Sloos return (EINVAL); 208253572Sloos 209253572Sloos switch (mode) { 210253572Sloos case ETHERSWITCH_VLAN_DOT1Q: 211253572Sloos sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q; 212253572Sloos break; 213253572Sloos case ETHERSWITCH_VLAN_PORT: 214253572Sloos sc->vlan_mode = ETHERSWITCH_VLAN_PORT; 215253572Sloos break; 216253572Sloos default: 217253572Sloos sc->vlan_mode = 0; 218253572Sloos }; 219253572Sloos 220253572Sloos /* Reset VLANs. */ 221253572Sloos arswitch_reset_vlans(sc); 222253572Sloos 223253572Sloos return (0); 224253572Sloos} 225253572Sloos 226253572Sloosstatic void 227262203Sadrianarswitch_port_init(struct arswitch_softc *sc, int port) 228253572Sloos{ 229253572Sloos 230253572Sloos /* Port0 - CPU */ 231262203Sadrian if (port == AR8X16_PORT_CPU) { 232262203Sadrian arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(0), 233262203Sadrian (AR8X16_IS_SWITCH(sc, AR8216) ? 234262203Sadrian AR8X16_PORT_STS_SPEED_100 : AR8X16_PORT_STS_SPEED_1000) | 235262203Sadrian (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_RXFLOW) | 236262203Sadrian (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_TXFLOW) | 237262203Sadrian AR8X16_PORT_STS_RXMAC | 238262203Sadrian AR8X16_PORT_STS_TXMAC | 239262203Sadrian AR8X16_PORT_STS_DUPLEX); 240262203Sadrian arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0), 241262203Sadrian arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0)) & 242262203Sadrian ~AR8X16_PORT_CTRL_HEADER); 243262203Sadrian } else { 244253572Sloos /* Set ports to auto negotiation. */ 245253572Sloos arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(port), 246253572Sloos AR8X16_PORT_STS_LINK_AUTO); 247253572Sloos arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port), 248253572Sloos arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port)) & 249253572Sloos ~AR8X16_PORT_CTRL_HEADER); 250253572Sloos } 251253572Sloos} 252253572Sloos 253253572Sloosstatic int 254235288Sadrianarswitch_attach(device_t dev) 255235288Sadrian{ 256235288Sadrian struct arswitch_softc *sc; 257235288Sadrian int err = 0; 258262203Sadrian int port; 259235288Sadrian 260235288Sadrian sc = device_get_softc(dev); 261235288Sadrian 262235288Sadrian /* sc->sc_switchtype is already decided in arswitch_probe() */ 263235288Sadrian sc->sc_dev = dev; 264235288Sadrian mtx_init(&sc->sc_mtx, "arswitch", NULL, MTX_DEF); 265235288Sadrian sc->page = -1; 266235288Sadrian strlcpy(sc->info.es_name, device_get_desc(dev), 267235288Sadrian sizeof(sc->info.es_name)); 268235288Sadrian 269235288Sadrian /* 270235288Sadrian * Attach switch related functions 271235288Sadrian */ 272235323Sadrian if (AR8X16_IS_SWITCH(sc, AR7240)) 273235323Sadrian ar7240_attach(sc); 274256582Sadrian else if (AR8X16_IS_SWITCH(sc, AR9340)) 275256582Sadrian ar9340_attach(sc); 276235323Sadrian else if (AR8X16_IS_SWITCH(sc, AR8216)) 277235288Sadrian ar8216_attach(sc); 278235288Sadrian else if (AR8X16_IS_SWITCH(sc, AR8226)) 279235288Sadrian ar8226_attach(sc); 280235288Sadrian else if (AR8X16_IS_SWITCH(sc, AR8316)) 281235288Sadrian ar8316_attach(sc); 282235288Sadrian else 283235288Sadrian return (ENXIO); 284235288Sadrian 285253572Sloos /* Common defaults. */ 286235288Sadrian sc->info.es_nports = 5; /* XXX technically 6, but 6th not used */ 287235288Sadrian 288235288Sadrian /* XXX Defaults for externally connected AR8316 */ 289235288Sadrian sc->numphys = 4; 290235288Sadrian sc->phy4cpu = 1; 291235288Sadrian sc->is_rgmii = 1; 292235288Sadrian sc->is_gmii = 0; 293256582Sadrian sc->is_mii = 0; 294235288Sadrian 295235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 296235288Sadrian "numphys", &sc->numphys); 297235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 298235288Sadrian "phy4cpu", &sc->phy4cpu); 299235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 300235288Sadrian "is_rgmii", &sc->is_rgmii); 301235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 302235288Sadrian "is_gmii", &sc->is_gmii); 303256582Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 304256582Sadrian "is_mii", &sc->is_mii); 305235288Sadrian 306253572Sloos if (sc->numphys > AR8X16_NUM_PHYS) 307253572Sloos sc->numphys = AR8X16_NUM_PHYS; 308253572Sloos 309253572Sloos /* Reset the switch. */ 310253572Sloos if (arswitch_reset(dev)) 311235288Sadrian return (ENXIO); 312235288Sadrian 313256582Sadrian err = sc->hal.arswitch_hw_setup(sc); 314256582Sadrian if (err != 0) 315256582Sadrian return (err); 316256582Sadrian 317235288Sadrian err = sc->hal.arswitch_hw_global_setup(sc); 318235288Sadrian if (err != 0) 319235288Sadrian return (err); 320235288Sadrian 321253572Sloos /* Initialize the switch ports. */ 322262203Sadrian for (port = 0; port <= sc->numphys; port++) { 323262203Sadrian arswitch_port_init(sc, port); 324262203Sadrian } 325253572Sloos 326235288Sadrian /* 327235288Sadrian * Attach the PHYs and complete the bus enumeration. 328235288Sadrian */ 329235288Sadrian err = arswitch_attach_phys(sc); 330235288Sadrian if (err != 0) 331235288Sadrian return (err); 332235288Sadrian 333253572Sloos /* Default to ingress filters off. */ 334253572Sloos err = arswitch_set_vlan_mode(sc, 0); 335253572Sloos if (err != 0) 336253572Sloos return (err); 337253572Sloos 338235288Sadrian bus_generic_probe(dev); 339235288Sadrian bus_enumerate_hinted_children(dev); 340235288Sadrian err = bus_generic_attach(dev); 341235288Sadrian if (err != 0) 342235288Sadrian return (err); 343235288Sadrian 344235288Sadrian callout_init_mtx(&sc->callout_tick, &sc->sc_mtx, 0); 345241578Sray 346241578Sray ARSWITCH_LOCK(sc); 347235288Sadrian arswitch_tick(sc); 348241578Sray ARSWITCH_UNLOCK(sc); 349235288Sadrian 350235288Sadrian return (err); 351235288Sadrian} 352235288Sadrian 353235288Sadrianstatic int 354235288Sadrianarswitch_detach(device_t dev) 355235288Sadrian{ 356235288Sadrian struct arswitch_softc *sc = device_get_softc(dev); 357235288Sadrian int i; 358235288Sadrian 359235288Sadrian callout_drain(&sc->callout_tick); 360235288Sadrian 361235288Sadrian for (i=0; i < sc->numphys; i++) { 362235288Sadrian if (sc->miibus[i] != NULL) 363235288Sadrian device_delete_child(dev, sc->miibus[i]); 364235288Sadrian if (sc->ifp[i] != NULL) 365235288Sadrian if_free(sc->ifp[i]); 366235288Sadrian free(sc->ifname[i], M_DEVBUF); 367235288Sadrian } 368235288Sadrian 369235288Sadrian bus_generic_detach(dev); 370235288Sadrian mtx_destroy(&sc->sc_mtx); 371235288Sadrian 372235288Sadrian return (0); 373235288Sadrian} 374235288Sadrian 375235288Sadrian/* 376235288Sadrian * Convert PHY number to port number. PHY0 is connected to port 1, PHY1 to 377235288Sadrian * port 2, etc. 378235288Sadrian */ 379235288Sadrianstatic inline int 380235288Sadrianarswitch_portforphy(int phy) 381235288Sadrian{ 382235288Sadrian return (phy+1); 383235288Sadrian} 384235288Sadrian 385235288Sadrianstatic inline struct mii_data * 386235288Sadrianarswitch_miiforport(struct arswitch_softc *sc, int port) 387235288Sadrian{ 388235288Sadrian int phy = port-1; 389235288Sadrian 390235288Sadrian if (phy < 0 || phy >= sc->numphys) 391235288Sadrian return (NULL); 392235288Sadrian return (device_get_softc(sc->miibus[phy])); 393235288Sadrian} 394235288Sadrian 395235288Sadrianstatic inline struct ifnet * 396235288Sadrianarswitch_ifpforport(struct arswitch_softc *sc, int port) 397235288Sadrian{ 398235288Sadrian int phy = port-1; 399235288Sadrian 400235288Sadrian if (phy < 0 || phy >= sc->numphys) 401235288Sadrian return (NULL); 402235288Sadrian return (sc->ifp[phy]); 403235288Sadrian} 404235288Sadrian 405235288Sadrian/* 406235288Sadrian * Convert port status to ifmedia. 407235288Sadrian */ 408235288Sadrianstatic void 409235288Sadrianarswitch_update_ifmedia(int portstatus, u_int *media_status, u_int *media_active) 410235288Sadrian{ 411235288Sadrian *media_active = IFM_ETHER; 412235288Sadrian *media_status = IFM_AVALID; 413235288Sadrian 414235288Sadrian if ((portstatus & AR8X16_PORT_STS_LINK_UP) != 0) 415235288Sadrian *media_status |= IFM_ACTIVE; 416235288Sadrian else { 417235288Sadrian *media_active |= IFM_NONE; 418235288Sadrian return; 419235288Sadrian } 420235288Sadrian switch (portstatus & AR8X16_PORT_STS_SPEED_MASK) { 421235288Sadrian case AR8X16_PORT_STS_SPEED_10: 422235288Sadrian *media_active |= IFM_10_T; 423235288Sadrian break; 424235288Sadrian case AR8X16_PORT_STS_SPEED_100: 425235288Sadrian *media_active |= IFM_100_TX; 426235288Sadrian break; 427235288Sadrian case AR8X16_PORT_STS_SPEED_1000: 428235288Sadrian *media_active |= IFM_1000_T; 429235288Sadrian break; 430235288Sadrian } 431235288Sadrian if ((portstatus & AR8X16_PORT_STS_DUPLEX) == 0) 432235288Sadrian *media_active |= IFM_FDX; 433235288Sadrian else 434235288Sadrian *media_active |= IFM_HDX; 435235288Sadrian if ((portstatus & AR8X16_PORT_STS_TXFLOW) != 0) 436235288Sadrian *media_active |= IFM_ETH_TXPAUSE; 437235288Sadrian if ((portstatus & AR8X16_PORT_STS_RXFLOW) != 0) 438235288Sadrian *media_active |= IFM_ETH_RXPAUSE; 439235288Sadrian} 440235288Sadrian 441235288Sadrian/* 442235288Sadrian * Poll the status for all PHYs. We're using the switch port status because 443235288Sadrian * thats a lot quicker to read than talking to all the PHYs. Care must be 444235288Sadrian * taken that the resulting ifmedia_active is identical to what the PHY will 445235288Sadrian * compute, or gratuitous link status changes will occur whenever the PHYs 446235288Sadrian * update function is called. 447235288Sadrian */ 448235288Sadrianstatic void 449235288Sadrianarswitch_miipollstat(struct arswitch_softc *sc) 450235288Sadrian{ 451235288Sadrian int i; 452235288Sadrian struct mii_data *mii; 453235288Sadrian struct mii_softc *miisc; 454235288Sadrian int portstatus; 455235288Sadrian 456241578Sray ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 457241578Sray 458235288Sadrian for (i = 0; i < sc->numphys; i++) { 459235288Sadrian if (sc->miibus[i] == NULL) 460235288Sadrian continue; 461235288Sadrian mii = device_get_softc(sc->miibus[i]); 462235288Sadrian portstatus = arswitch_readreg(sc->sc_dev, 463235288Sadrian AR8X16_REG_PORT_STS(arswitch_portforphy(i))); 464235288Sadrian#if 0 465235288Sadrian DPRINTF(sc->sc_dev, "p[%d]=%b\n", 466256582Sadrian i, 467235288Sadrian portstatus, 468235288Sadrian "\20\3TXMAC\4RXMAC\5TXFLOW\6RXFLOW\7" 469235288Sadrian "DUPLEX\11LINK_UP\12LINK_AUTO\13LINK_PAUSE"); 470235288Sadrian#endif 471235288Sadrian arswitch_update_ifmedia(portstatus, &mii->mii_media_status, 472235288Sadrian &mii->mii_media_active); 473235288Sadrian LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { 474235288Sadrian if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) != 475235288Sadrian miisc->mii_inst) 476235288Sadrian continue; 477235288Sadrian mii_phy_update(miisc, MII_POLLSTAT); 478235288Sadrian } 479235288Sadrian } 480235288Sadrian} 481235288Sadrian 482235288Sadrianstatic void 483235288Sadrianarswitch_tick(void *arg) 484235288Sadrian{ 485235288Sadrian struct arswitch_softc *sc = arg; 486235288Sadrian 487235288Sadrian arswitch_miipollstat(sc); 488235288Sadrian callout_reset(&sc->callout_tick, hz, arswitch_tick, sc); 489235288Sadrian} 490235288Sadrian 491241578Sraystatic void 492241578Srayarswitch_lock(device_t dev) 493241578Sray{ 494241578Sray struct arswitch_softc *sc = device_get_softc(dev); 495241578Sray 496241578Sray ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 497241578Sray ARSWITCH_LOCK(sc); 498241578Sray} 499241578Sray 500241578Sraystatic void 501241578Srayarswitch_unlock(device_t dev) 502241578Sray{ 503241578Sray struct arswitch_softc *sc = device_get_softc(dev); 504241578Sray 505241578Sray ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 506241578Sray ARSWITCH_UNLOCK(sc); 507241578Sray} 508241578Sray 509235288Sadrianstatic etherswitch_info_t * 510235288Sadrianarswitch_getinfo(device_t dev) 511235288Sadrian{ 512235288Sadrian struct arswitch_softc *sc = device_get_softc(dev); 513235288Sadrian 514235288Sadrian return (&sc->info); 515235288Sadrian} 516235288Sadrian 517235288Sadrianstatic int 518235288Sadrianarswitch_getport(device_t dev, etherswitch_port_t *p) 519235288Sadrian{ 520253572Sloos struct arswitch_softc *sc; 521253572Sloos struct ifmediareq *ifmr; 522235288Sadrian struct mii_data *mii; 523253572Sloos uint32_t reg; 524235288Sadrian int err; 525253572Sloos 526253572Sloos sc = device_get_softc(dev); 527253572Sloos if (p->es_port < 0 || p->es_port > sc->numphys) 528235288Sadrian return (ENXIO); 529235288Sadrian 530253572Sloos ARSWITCH_LOCK(sc); 531253572Sloos 532253572Sloos /* Retrieve the PVID. */ 533253572Sloos arswitch_get_pvid(sc, p->es_port, &p->es_pvid); 534253572Sloos 535253572Sloos /* Port flags. */ 536253572Sloos reg = arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(p->es_port)); 537253572Sloos if (reg & AR8X16_PORT_CTRL_DOUBLE_TAG) 538253572Sloos p->es_flags |= ETHERSWITCH_PORT_DOUBLE_TAG; 539253572Sloos reg >>= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 540253572Sloos if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD) 541253572Sloos p->es_flags |= ETHERSWITCH_PORT_ADDTAG; 542253572Sloos if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP) 543253572Sloos p->es_flags |= ETHERSWITCH_PORT_STRIPTAG; 544253572Sloos ARSWITCH_UNLOCK(sc); 545253572Sloos 546235288Sadrian mii = arswitch_miiforport(sc, p->es_port); 547235288Sadrian if (p->es_port == 0) { 548235288Sadrian /* fill in fixed values for CPU port */ 549250383Sadrian p->es_flags |= ETHERSWITCH_PORT_CPU; 550253572Sloos ifmr = &p->es_ifmr; 551235288Sadrian ifmr->ifm_count = 0; 552235288Sadrian ifmr->ifm_current = ifmr->ifm_active = 553235288Sadrian IFM_ETHER | IFM_1000_T | IFM_FDX; 554235288Sadrian ifmr->ifm_mask = 0; 555235288Sadrian ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID; 556235288Sadrian } else if (mii != NULL) { 557235288Sadrian err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, 558235288Sadrian &mii->mii_media, SIOCGIFMEDIA); 559235288Sadrian if (err) 560235288Sadrian return (err); 561235288Sadrian } else { 562235288Sadrian return (ENXIO); 563235288Sadrian } 564235288Sadrian return (0); 565235288Sadrian} 566235288Sadrian 567235288Sadrianstatic int 568235288Sadrianarswitch_setport(device_t dev, etherswitch_port_t *p) 569235288Sadrian{ 570235288Sadrian int err; 571253572Sloos uint32_t reg; 572235288Sadrian struct arswitch_softc *sc; 573235288Sadrian struct ifmedia *ifm; 574235288Sadrian struct mii_data *mii; 575235288Sadrian struct ifnet *ifp; 576235288Sadrian 577253572Sloos sc = device_get_softc(dev); 578253572Sloos if (p->es_port < 0 || p->es_port > sc->numphys) 579235288Sadrian return (ENXIO); 580235288Sadrian 581253572Sloos /* Port flags. */ 582253572Sloos if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 583235288Sadrian 584253572Sloos ARSWITCH_LOCK(sc); 585253572Sloos /* Set the PVID. */ 586253572Sloos if (p->es_pvid != 0) 587253572Sloos arswitch_set_pvid(sc, p->es_port, p->es_pvid); 588235288Sadrian 589253572Sloos /* Mutually exclusive. */ 590253572Sloos if (p->es_flags & ETHERSWITCH_PORT_ADDTAG && 591253572Sloos p->es_flags & ETHERSWITCH_PORT_STRIPTAG) { 592253572Sloos ARSWITCH_UNLOCK(sc); 593253572Sloos return (EINVAL); 594253572Sloos } 595253572Sloos 596253572Sloos reg = 0; 597253572Sloos if (p->es_flags & ETHERSWITCH_PORT_DOUBLE_TAG) 598253572Sloos reg |= AR8X16_PORT_CTRL_DOUBLE_TAG; 599253572Sloos if (p->es_flags & ETHERSWITCH_PORT_ADDTAG) 600253572Sloos reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD << 601253572Sloos AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 602253572Sloos if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG) 603253572Sloos reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP << 604253572Sloos AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 605253572Sloos 606253572Sloos err = arswitch_modifyreg(sc->sc_dev, 607253572Sloos AR8X16_REG_PORT_CTRL(p->es_port), 608253572Sloos 0x3 << AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT | 609253572Sloos AR8X16_PORT_CTRL_DOUBLE_TAG, reg); 610253572Sloos 611253572Sloos ARSWITCH_UNLOCK(sc); 612253572Sloos if (err) 613253572Sloos return (err); 614253572Sloos } 615253572Sloos 616253572Sloos /* Do not allow media changes on CPU port. */ 617253572Sloos if (p->es_port == AR8X16_PORT_CPU) 618253572Sloos return (0); 619253572Sloos 620235288Sadrian mii = arswitch_miiforport(sc, p->es_port); 621235288Sadrian if (mii == NULL) 622235288Sadrian return (ENXIO); 623235288Sadrian 624235288Sadrian ifp = arswitch_ifpforport(sc, p->es_port); 625235288Sadrian 626235288Sadrian ifm = &mii->mii_media; 627253572Sloos return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA)); 628235288Sadrian} 629235288Sadrian 630235288Sadrianstatic void 631235288Sadrianarswitch_statchg(device_t dev) 632235288Sadrian{ 633235288Sadrian 634235288Sadrian DPRINTF(dev, "%s\n", __func__); 635235288Sadrian} 636235288Sadrian 637235288Sadrianstatic int 638235288Sadrianarswitch_ifmedia_upd(struct ifnet *ifp) 639235288Sadrian{ 640235288Sadrian struct arswitch_softc *sc = ifp->if_softc; 641235288Sadrian struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 642235288Sadrian 643235288Sadrian if (mii == NULL) 644235288Sadrian return (ENXIO); 645235288Sadrian mii_mediachg(mii); 646235288Sadrian return (0); 647235288Sadrian} 648235288Sadrian 649235288Sadrianstatic void 650235288Sadrianarswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 651235288Sadrian{ 652235288Sadrian struct arswitch_softc *sc = ifp->if_softc; 653235288Sadrian struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 654235288Sadrian 655235288Sadrian DPRINTF(sc->sc_dev, "%s\n", __func__); 656235288Sadrian 657235288Sadrian if (mii == NULL) 658235288Sadrian return; 659235288Sadrian mii_pollstat(mii); 660235288Sadrian ifmr->ifm_active = mii->mii_media_active; 661235288Sadrian ifmr->ifm_status = mii->mii_media_status; 662235288Sadrian} 663235288Sadrian 664253572Sloosstatic int 665253572Sloosarswitch_getconf(device_t dev, etherswitch_conf_t *conf) 666253572Sloos{ 667253572Sloos struct arswitch_softc *sc; 668253572Sloos 669253572Sloos sc = device_get_softc(dev); 670253572Sloos 671253572Sloos /* Return the VLAN mode. */ 672253572Sloos conf->cmd = ETHERSWITCH_CONF_VLAN_MODE; 673253572Sloos conf->vlan_mode = sc->vlan_mode; 674253572Sloos 675253572Sloos return (0); 676253572Sloos} 677253572Sloos 678253572Sloosstatic int 679253572Sloosarswitch_setconf(device_t dev, etherswitch_conf_t *conf) 680253572Sloos{ 681253572Sloos struct arswitch_softc *sc; 682253572Sloos int err; 683253572Sloos 684253572Sloos sc = device_get_softc(dev); 685253572Sloos 686253572Sloos /* Set the VLAN mode. */ 687253572Sloos if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) { 688253572Sloos err = arswitch_set_vlan_mode(sc, conf->vlan_mode); 689253572Sloos if (err != 0) 690253572Sloos return (err); 691253572Sloos } 692253572Sloos 693253572Sloos return (0); 694253572Sloos} 695253572Sloos 696235288Sadrianstatic device_method_t arswitch_methods[] = { 697235288Sadrian /* Device interface */ 698235288Sadrian DEVMETHOD(device_probe, arswitch_probe), 699235288Sadrian DEVMETHOD(device_attach, arswitch_attach), 700235288Sadrian DEVMETHOD(device_detach, arswitch_detach), 701235288Sadrian 702235288Sadrian /* bus interface */ 703235288Sadrian DEVMETHOD(bus_add_child, device_add_child_ordered), 704235288Sadrian 705235288Sadrian /* MII interface */ 706235288Sadrian DEVMETHOD(miibus_readreg, arswitch_readphy), 707235288Sadrian DEVMETHOD(miibus_writereg, arswitch_writephy), 708235288Sadrian DEVMETHOD(miibus_statchg, arswitch_statchg), 709235288Sadrian 710235288Sadrian /* MDIO interface */ 711235288Sadrian DEVMETHOD(mdio_readreg, arswitch_readphy), 712235288Sadrian DEVMETHOD(mdio_writereg, arswitch_writephy), 713235288Sadrian 714235288Sadrian /* etherswitch interface */ 715241578Sray DEVMETHOD(etherswitch_lock, arswitch_lock), 716241578Sray DEVMETHOD(etherswitch_unlock, arswitch_unlock), 717235288Sadrian DEVMETHOD(etherswitch_getinfo, arswitch_getinfo), 718235288Sadrian DEVMETHOD(etherswitch_readreg, arswitch_readreg), 719235288Sadrian DEVMETHOD(etherswitch_writereg, arswitch_writereg), 720235288Sadrian DEVMETHOD(etherswitch_readphyreg, arswitch_readphy), 721235288Sadrian DEVMETHOD(etherswitch_writephyreg, arswitch_writephy), 722235288Sadrian DEVMETHOD(etherswitch_getport, arswitch_getport), 723235288Sadrian DEVMETHOD(etherswitch_setport, arswitch_setport), 724235288Sadrian DEVMETHOD(etherswitch_getvgroup, arswitch_getvgroup), 725235288Sadrian DEVMETHOD(etherswitch_setvgroup, arswitch_setvgroup), 726253572Sloos DEVMETHOD(etherswitch_getconf, arswitch_getconf), 727253572Sloos DEVMETHOD(etherswitch_setconf, arswitch_setconf), 728235288Sadrian 729235288Sadrian DEVMETHOD_END 730235288Sadrian}; 731235288Sadrian 732235288SadrianDEFINE_CLASS_0(arswitch, arswitch_driver, arswitch_methods, 733235288Sadrian sizeof(struct arswitch_softc)); 734235288Sadrianstatic devclass_t arswitch_devclass; 735235288Sadrian 736235288SadrianDRIVER_MODULE(arswitch, mdio, arswitch_driver, arswitch_devclass, 0, 0); 737235288SadrianDRIVER_MODULE(miibus, arswitch, miibus_driver, miibus_devclass, 0, 0); 738235288SadrianDRIVER_MODULE(mdio, arswitch, mdio_driver, mdio_devclass, 0, 0); 739235288SadrianDRIVER_MODULE(etherswitch, arswitch, etherswitch_driver, etherswitch_devclass, 0, 0); 740235288SadrianMODULE_VERSION(arswitch, 1); 741235288SadrianMODULE_DEPEND(arswitch, miibus, 1, 1, 1); /* XXX which versions? */ 742235288SadrianMODULE_DEPEND(arswitch, etherswitch, 1, 1, 1); /* XXX which versions? */ 743