arswitch.c revision 268564
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 268564 2014-07-12 06:23:42Z rpaulo $ 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> 50268564Srpaulo#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> 69262431Sadrian#include <dev/etherswitch/arswitch/arswitch_8327.h> 70256582Sadrian#include <dev/etherswitch/arswitch/arswitch_9340.h> 71235288Sadrian 72235288Sadrian#include "mdio_if.h" 73235288Sadrian#include "miibus_if.h" 74235288Sadrian#include "etherswitch_if.h" 75235288Sadrian 76235288Sadrian#if defined(DEBUG) 77235288Sadrianstatic SYSCTL_NODE(_debug, OID_AUTO, arswitch, CTLFLAG_RD, 0, "arswitch"); 78235288Sadrian#endif 79235288Sadrian 80235288Sadrianstatic inline int arswitch_portforphy(int phy); 81235288Sadrianstatic void arswitch_tick(void *arg); 82235288Sadrianstatic int arswitch_ifmedia_upd(struct ifnet *); 83235288Sadrianstatic void arswitch_ifmedia_sts(struct ifnet *, struct ifmediareq *); 84262208Sadrianstatic int ar8xxx_port_vlan_setup(struct arswitch_softc *sc, 85262208Sadrian etherswitch_port_t *p); 86262208Sadrianstatic int ar8xxx_port_vlan_get(struct arswitch_softc *sc, 87262208Sadrian etherswitch_port_t *p); 88235288Sadrian 89235288Sadrianstatic int 90235288Sadrianarswitch_probe(device_t dev) 91235288Sadrian{ 92235288Sadrian struct arswitch_softc *sc; 93235288Sadrian uint32_t id; 94235288Sadrian char *chipname, desc[256]; 95235288Sadrian 96235288Sadrian sc = device_get_softc(dev); 97235288Sadrian bzero(sc, sizeof(*sc)); 98235288Sadrian sc->page = -1; 99235323Sadrian 100235323Sadrian /* AR7240 probe */ 101235323Sadrian if (ar7240_probe(dev) == 0) { 102235323Sadrian chipname = "AR7240"; 103235323Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR7240; 104256582Sadrian sc->is_internal_switch = 1; 105241577Sray id = 0; 106235323Sadrian goto done; 107235323Sadrian } 108235323Sadrian 109256582Sadrian /* AR9340 probe */ 110256582Sadrian if (ar9340_probe(dev) == 0) { 111256582Sadrian chipname = "AR9340"; 112256582Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR9340; 113256582Sadrian sc->is_internal_switch = 1; 114256582Sadrian id = 0; 115256582Sadrian goto done; 116256582Sadrian } 117256582Sadrian 118235323Sadrian /* AR8xxx probe */ 119235288Sadrian id = arswitch_readreg(dev, AR8X16_REG_MASK_CTRL); 120262201Sadrian sc->chip_rev = (id & AR8X16_MASK_CTRL_REV_MASK); 121262201Sadrian sc->chip_ver = (id & AR8X16_MASK_CTRL_VER_MASK) > AR8X16_MASK_CTRL_VER_SHIFT; 122256582Sadrian switch (id & (AR8X16_MASK_CTRL_VER_MASK | AR8X16_MASK_CTRL_REV_MASK)) { 123256582Sadrian case 0x0101: 124235288Sadrian chipname = "AR8216"; 125235288Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR8216; 126235288Sadrian break; 127256582Sadrian case 0x0201: 128235288Sadrian chipname = "AR8226"; 129235288Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR8226; 130235288Sadrian break; 131256582Sadrian /* 0x0301 - AR8236 */ 132256582Sadrian case 0x1000: 133256582Sadrian case 0x1001: 134235288Sadrian chipname = "AR8316"; 135235288Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR8316; 136235288Sadrian break; 137262202Sadrian case 0x1202: 138262202Sadrian chipname = "AR8327"; 139262202Sadrian sc->sc_switchtype = AR8X16_SWITCH_AR8327; 140262202Sadrian sc->mii_lo_first = 1; 141262202Sadrian break; 142235288Sadrian default: 143235288Sadrian chipname = NULL; 144235288Sadrian } 145235323Sadrian 146235323Sadriandone: 147256582Sadrian 148256582Sadrian DPRINTF(dev, "chipname=%s, id=%08x\n", chipname, id); 149235288Sadrian if (chipname != NULL) { 150235288Sadrian snprintf(desc, sizeof(desc), 151235288Sadrian "Atheros %s Ethernet Switch", 152235288Sadrian chipname); 153235288Sadrian device_set_desc_copy(dev, desc); 154235288Sadrian return (BUS_PROBE_DEFAULT); 155235288Sadrian } 156235288Sadrian return (ENXIO); 157235288Sadrian} 158235288Sadrian 159235288Sadrianstatic int 160235288Sadrianarswitch_attach_phys(struct arswitch_softc *sc) 161235288Sadrian{ 162235288Sadrian int phy, err = 0; 163235288Sadrian char name[IFNAMSIZ]; 164235288Sadrian 165235288Sadrian /* PHYs need an interface, so we generate a dummy one */ 166235288Sadrian snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev)); 167235288Sadrian for (phy = 0; phy < sc->numphys; phy++) { 168235288Sadrian sc->ifp[phy] = if_alloc(IFT_ETHER); 169235288Sadrian sc->ifp[phy]->if_softc = sc; 170235288Sadrian sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST | 171235288Sadrian IFF_DRV_RUNNING | IFF_SIMPLEX; 172235288Sadrian sc->ifname[phy] = malloc(strlen(name)+1, M_DEVBUF, M_WAITOK); 173235288Sadrian bcopy(name, sc->ifname[phy], strlen(name)+1); 174235288Sadrian if_initname(sc->ifp[phy], sc->ifname[phy], 175235288Sadrian arswitch_portforphy(phy)); 176235288Sadrian err = mii_attach(sc->sc_dev, &sc->miibus[phy], sc->ifp[phy], 177235288Sadrian arswitch_ifmedia_upd, arswitch_ifmedia_sts, \ 178235288Sadrian BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0); 179235288Sadrian DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n", 180235288Sadrian device_get_nameunit(sc->miibus[phy]), 181235288Sadrian sc->ifp[phy]->if_xname); 182235288Sadrian if (err != 0) { 183235288Sadrian device_printf(sc->sc_dev, 184235288Sadrian "attaching PHY %d failed\n", 185235288Sadrian phy); 186235288Sadrian } 187235288Sadrian } 188235288Sadrian return (err); 189235288Sadrian} 190235288Sadrian 191235288Sadrianstatic int 192253572Sloosarswitch_reset(device_t dev) 193253572Sloos{ 194253572Sloos 195253572Sloos arswitch_writereg(dev, AR8X16_REG_MASK_CTRL, 196253572Sloos AR8X16_MASK_CTRL_SOFT_RESET); 197253572Sloos DELAY(1000); 198253572Sloos if (arswitch_readreg(dev, AR8X16_REG_MASK_CTRL) & 199253572Sloos AR8X16_MASK_CTRL_SOFT_RESET) { 200253572Sloos device_printf(dev, "unable to reset switch\n"); 201253572Sloos return (-1); 202253572Sloos } 203253572Sloos return (0); 204253572Sloos} 205253572Sloos 206253572Sloosstatic int 207253572Sloosarswitch_set_vlan_mode(struct arswitch_softc *sc, uint32_t mode) 208253572Sloos{ 209253572Sloos 210253572Sloos /* Check for invalid modes. */ 211253572Sloos if ((mode & sc->info.es_vlan_caps) != mode) 212253572Sloos return (EINVAL); 213253572Sloos 214253572Sloos switch (mode) { 215253572Sloos case ETHERSWITCH_VLAN_DOT1Q: 216253572Sloos sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q; 217253572Sloos break; 218253572Sloos case ETHERSWITCH_VLAN_PORT: 219253572Sloos sc->vlan_mode = ETHERSWITCH_VLAN_PORT; 220253572Sloos break; 221253572Sloos default: 222253572Sloos sc->vlan_mode = 0; 223253572Sloos }; 224253572Sloos 225253572Sloos /* Reset VLANs. */ 226262429Sadrian sc->hal.arswitch_vlan_init_hw(sc); 227253572Sloos 228253572Sloos return (0); 229253572Sloos} 230253572Sloos 231253572Sloosstatic void 232262208Sadrianar8xxx_port_init(struct arswitch_softc *sc, int port) 233253572Sloos{ 234253572Sloos 235253572Sloos /* Port0 - CPU */ 236262203Sadrian if (port == AR8X16_PORT_CPU) { 237262203Sadrian arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(0), 238262203Sadrian (AR8X16_IS_SWITCH(sc, AR8216) ? 239262203Sadrian AR8X16_PORT_STS_SPEED_100 : AR8X16_PORT_STS_SPEED_1000) | 240262203Sadrian (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_RXFLOW) | 241262203Sadrian (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_TXFLOW) | 242262203Sadrian AR8X16_PORT_STS_RXMAC | 243262203Sadrian AR8X16_PORT_STS_TXMAC | 244262203Sadrian AR8X16_PORT_STS_DUPLEX); 245262203Sadrian arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0), 246262203Sadrian arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0)) & 247262203Sadrian ~AR8X16_PORT_CTRL_HEADER); 248262203Sadrian } else { 249253572Sloos /* Set ports to auto negotiation. */ 250253572Sloos arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(port), 251253572Sloos AR8X16_PORT_STS_LINK_AUTO); 252253572Sloos arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port), 253253572Sloos arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port)) & 254253572Sloos ~AR8X16_PORT_CTRL_HEADER); 255253572Sloos } 256253572Sloos} 257253572Sloos 258253572Sloosstatic int 259262681Sadrianar8xxx_atu_flush(struct arswitch_softc *sc) 260262681Sadrian{ 261262681Sadrian int ret; 262262681Sadrian 263262681Sadrian ret = arswitch_waitreg(sc->sc_dev, 264262681Sadrian AR8216_REG_ATU, 265262681Sadrian AR8216_ATU_ACTIVE, 266262681Sadrian 0, 267262681Sadrian 1000); 268262681Sadrian 269262681Sadrian if (ret) 270262681Sadrian device_printf(sc->sc_dev, "%s: waitreg failed\n", __func__); 271262681Sadrian 272262681Sadrian if (!ret) 273262681Sadrian arswitch_writereg(sc->sc_dev, 274262681Sadrian AR8216_REG_ATU, 275262681Sadrian AR8216_ATU_OP_FLUSH); 276262681Sadrian 277262681Sadrian return (ret); 278262681Sadrian} 279262681Sadrian 280262681Sadrianstatic int 281235288Sadrianarswitch_attach(device_t dev) 282235288Sadrian{ 283235288Sadrian struct arswitch_softc *sc; 284235288Sadrian int err = 0; 285262203Sadrian int port; 286235288Sadrian 287235288Sadrian sc = device_get_softc(dev); 288235288Sadrian 289235288Sadrian /* sc->sc_switchtype is already decided in arswitch_probe() */ 290235288Sadrian sc->sc_dev = dev; 291235288Sadrian mtx_init(&sc->sc_mtx, "arswitch", NULL, MTX_DEF); 292235288Sadrian sc->page = -1; 293235288Sadrian strlcpy(sc->info.es_name, device_get_desc(dev), 294235288Sadrian sizeof(sc->info.es_name)); 295235288Sadrian 296262206Sadrian /* Default HAL methods */ 297262208Sadrian sc->hal.arswitch_port_init = ar8xxx_port_init; 298262208Sadrian sc->hal.arswitch_port_vlan_setup = ar8xxx_port_vlan_setup; 299262208Sadrian sc->hal.arswitch_port_vlan_get = ar8xxx_port_vlan_get; 300262429Sadrian sc->hal.arswitch_vlan_init_hw = ar8xxx_reset_vlans; 301262429Sadrian sc->hal.arswitch_vlan_getvgroup = ar8xxx_getvgroup; 302262429Sadrian sc->hal.arswitch_vlan_setvgroup = ar8xxx_setvgroup; 303262429Sadrian sc->hal.arswitch_vlan_get_pvid = ar8xxx_get_pvid; 304262429Sadrian sc->hal.arswitch_vlan_set_pvid = ar8xxx_set_pvid; 305262681Sadrian sc->hal.arswitch_atu_flush = ar8xxx_atu_flush; 306262206Sadrian 307235288Sadrian /* 308235288Sadrian * Attach switch related functions 309235288Sadrian */ 310235323Sadrian if (AR8X16_IS_SWITCH(sc, AR7240)) 311235323Sadrian ar7240_attach(sc); 312256582Sadrian else if (AR8X16_IS_SWITCH(sc, AR9340)) 313256582Sadrian ar9340_attach(sc); 314235323Sadrian else if (AR8X16_IS_SWITCH(sc, AR8216)) 315235288Sadrian ar8216_attach(sc); 316235288Sadrian else if (AR8X16_IS_SWITCH(sc, AR8226)) 317235288Sadrian ar8226_attach(sc); 318235288Sadrian else if (AR8X16_IS_SWITCH(sc, AR8316)) 319235288Sadrian ar8316_attach(sc); 320262431Sadrian else if (AR8X16_IS_SWITCH(sc, AR8327)) 321262431Sadrian ar8327_attach(sc); 322235288Sadrian else 323235288Sadrian return (ENXIO); 324235288Sadrian 325253572Sloos /* Common defaults. */ 326235288Sadrian sc->info.es_nports = 5; /* XXX technically 6, but 6th not used */ 327235288Sadrian 328235288Sadrian /* XXX Defaults for externally connected AR8316 */ 329235288Sadrian sc->numphys = 4; 330235288Sadrian sc->phy4cpu = 1; 331235288Sadrian sc->is_rgmii = 1; 332235288Sadrian sc->is_gmii = 0; 333256582Sadrian sc->is_mii = 0; 334235288Sadrian 335235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 336235288Sadrian "numphys", &sc->numphys); 337235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 338235288Sadrian "phy4cpu", &sc->phy4cpu); 339235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 340235288Sadrian "is_rgmii", &sc->is_rgmii); 341235288Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 342235288Sadrian "is_gmii", &sc->is_gmii); 343256582Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 344256582Sadrian "is_mii", &sc->is_mii); 345235288Sadrian 346253572Sloos if (sc->numphys > AR8X16_NUM_PHYS) 347253572Sloos sc->numphys = AR8X16_NUM_PHYS; 348253572Sloos 349253572Sloos /* Reset the switch. */ 350253572Sloos if (arswitch_reset(dev)) 351235288Sadrian return (ENXIO); 352235288Sadrian 353256582Sadrian err = sc->hal.arswitch_hw_setup(sc); 354256582Sadrian if (err != 0) 355256582Sadrian return (err); 356256582Sadrian 357235288Sadrian err = sc->hal.arswitch_hw_global_setup(sc); 358235288Sadrian if (err != 0) 359235288Sadrian return (err); 360235288Sadrian 361253572Sloos /* Initialize the switch ports. */ 362262203Sadrian for (port = 0; port <= sc->numphys; port++) { 363262206Sadrian sc->hal.arswitch_port_init(sc, port); 364262203Sadrian } 365253572Sloos 366235288Sadrian /* 367235288Sadrian * Attach the PHYs and complete the bus enumeration. 368235288Sadrian */ 369235288Sadrian err = arswitch_attach_phys(sc); 370235288Sadrian if (err != 0) 371235288Sadrian return (err); 372235288Sadrian 373253572Sloos /* Default to ingress filters off. */ 374253572Sloos err = arswitch_set_vlan_mode(sc, 0); 375253572Sloos if (err != 0) 376253572Sloos return (err); 377253572Sloos 378235288Sadrian bus_generic_probe(dev); 379235288Sadrian bus_enumerate_hinted_children(dev); 380235288Sadrian err = bus_generic_attach(dev); 381235288Sadrian if (err != 0) 382235288Sadrian return (err); 383235288Sadrian 384235288Sadrian callout_init_mtx(&sc->callout_tick, &sc->sc_mtx, 0); 385241578Sray 386241578Sray ARSWITCH_LOCK(sc); 387235288Sadrian arswitch_tick(sc); 388241578Sray ARSWITCH_UNLOCK(sc); 389235288Sadrian 390235288Sadrian return (err); 391235288Sadrian} 392235288Sadrian 393235288Sadrianstatic int 394235288Sadrianarswitch_detach(device_t dev) 395235288Sadrian{ 396235288Sadrian struct arswitch_softc *sc = device_get_softc(dev); 397235288Sadrian int i; 398235288Sadrian 399235288Sadrian callout_drain(&sc->callout_tick); 400235288Sadrian 401235288Sadrian for (i=0; i < sc->numphys; i++) { 402235288Sadrian if (sc->miibus[i] != NULL) 403235288Sadrian device_delete_child(dev, sc->miibus[i]); 404235288Sadrian if (sc->ifp[i] != NULL) 405235288Sadrian if_free(sc->ifp[i]); 406235288Sadrian free(sc->ifname[i], M_DEVBUF); 407235288Sadrian } 408235288Sadrian 409235288Sadrian bus_generic_detach(dev); 410235288Sadrian mtx_destroy(&sc->sc_mtx); 411235288Sadrian 412235288Sadrian return (0); 413235288Sadrian} 414235288Sadrian 415235288Sadrian/* 416235288Sadrian * Convert PHY number to port number. PHY0 is connected to port 1, PHY1 to 417235288Sadrian * port 2, etc. 418235288Sadrian */ 419235288Sadrianstatic inline int 420235288Sadrianarswitch_portforphy(int phy) 421235288Sadrian{ 422235288Sadrian return (phy+1); 423235288Sadrian} 424235288Sadrian 425235288Sadrianstatic inline struct mii_data * 426235288Sadrianarswitch_miiforport(struct arswitch_softc *sc, int port) 427235288Sadrian{ 428235288Sadrian int phy = port-1; 429235288Sadrian 430235288Sadrian if (phy < 0 || phy >= sc->numphys) 431235288Sadrian return (NULL); 432235288Sadrian return (device_get_softc(sc->miibus[phy])); 433235288Sadrian} 434235288Sadrian 435235288Sadrianstatic inline struct ifnet * 436235288Sadrianarswitch_ifpforport(struct arswitch_softc *sc, int port) 437235288Sadrian{ 438235288Sadrian int phy = port-1; 439235288Sadrian 440235288Sadrian if (phy < 0 || phy >= sc->numphys) 441235288Sadrian return (NULL); 442235288Sadrian return (sc->ifp[phy]); 443235288Sadrian} 444235288Sadrian 445235288Sadrian/* 446235288Sadrian * Convert port status to ifmedia. 447235288Sadrian */ 448235288Sadrianstatic void 449235288Sadrianarswitch_update_ifmedia(int portstatus, u_int *media_status, u_int *media_active) 450235288Sadrian{ 451235288Sadrian *media_active = IFM_ETHER; 452235288Sadrian *media_status = IFM_AVALID; 453235288Sadrian 454235288Sadrian if ((portstatus & AR8X16_PORT_STS_LINK_UP) != 0) 455235288Sadrian *media_status |= IFM_ACTIVE; 456235288Sadrian else { 457235288Sadrian *media_active |= IFM_NONE; 458235288Sadrian return; 459235288Sadrian } 460235288Sadrian switch (portstatus & AR8X16_PORT_STS_SPEED_MASK) { 461235288Sadrian case AR8X16_PORT_STS_SPEED_10: 462235288Sadrian *media_active |= IFM_10_T; 463235288Sadrian break; 464235288Sadrian case AR8X16_PORT_STS_SPEED_100: 465235288Sadrian *media_active |= IFM_100_TX; 466235288Sadrian break; 467235288Sadrian case AR8X16_PORT_STS_SPEED_1000: 468235288Sadrian *media_active |= IFM_1000_T; 469235288Sadrian break; 470235288Sadrian } 471235288Sadrian if ((portstatus & AR8X16_PORT_STS_DUPLEX) == 0) 472235288Sadrian *media_active |= IFM_FDX; 473235288Sadrian else 474235288Sadrian *media_active |= IFM_HDX; 475235288Sadrian if ((portstatus & AR8X16_PORT_STS_TXFLOW) != 0) 476235288Sadrian *media_active |= IFM_ETH_TXPAUSE; 477235288Sadrian if ((portstatus & AR8X16_PORT_STS_RXFLOW) != 0) 478235288Sadrian *media_active |= IFM_ETH_RXPAUSE; 479235288Sadrian} 480235288Sadrian 481235288Sadrian/* 482235288Sadrian * Poll the status for all PHYs. We're using the switch port status because 483235288Sadrian * thats a lot quicker to read than talking to all the PHYs. Care must be 484235288Sadrian * taken that the resulting ifmedia_active is identical to what the PHY will 485235288Sadrian * compute, or gratuitous link status changes will occur whenever the PHYs 486235288Sadrian * update function is called. 487235288Sadrian */ 488235288Sadrianstatic void 489235288Sadrianarswitch_miipollstat(struct arswitch_softc *sc) 490235288Sadrian{ 491235288Sadrian int i; 492235288Sadrian struct mii_data *mii; 493235288Sadrian struct mii_softc *miisc; 494235288Sadrian int portstatus; 495262681Sadrian int port_flap = 0; 496235288Sadrian 497241578Sray ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 498241578Sray 499235288Sadrian for (i = 0; i < sc->numphys; i++) { 500235288Sadrian if (sc->miibus[i] == NULL) 501235288Sadrian continue; 502235288Sadrian mii = device_get_softc(sc->miibus[i]); 503262206Sadrian /* XXX This would be nice to have abstracted out to be per-chip */ 504262206Sadrian /* AR8327/AR8337 has a different register base */ 505262206Sadrian if (AR8X16_IS_SWITCH(sc, AR8327)) 506262206Sadrian portstatus = arswitch_readreg(sc->sc_dev, 507262206Sadrian AR8327_REG_PORT_STATUS(arswitch_portforphy(i))); 508262206Sadrian else 509262206Sadrian portstatus = arswitch_readreg(sc->sc_dev, 510262206Sadrian AR8X16_REG_PORT_STS(arswitch_portforphy(i))); 511235288Sadrian#if 0 512235288Sadrian DPRINTF(sc->sc_dev, "p[%d]=%b\n", 513256582Sadrian i, 514235288Sadrian portstatus, 515235288Sadrian "\20\3TXMAC\4RXMAC\5TXFLOW\6RXFLOW\7" 516235288Sadrian "DUPLEX\11LINK_UP\12LINK_AUTO\13LINK_PAUSE"); 517235288Sadrian#endif 518262681Sadrian /* 519262681Sadrian * If the current status is down, but we have a link 520262681Sadrian * status showing up, we need to do an ATU flush. 521262681Sadrian */ 522262681Sadrian if ((mii->mii_media_status & IFM_ACTIVE) == 0 && 523262681Sadrian (portstatus & AR8X16_PORT_STS_LINK_UP) != 0) { 524262681Sadrian device_printf(sc->sc_dev, "%s: port %d: port -> UP\n", 525262681Sadrian __func__, 526262681Sadrian i); 527262681Sadrian port_flap = 1; 528262681Sadrian } 529262681Sadrian /* 530262681Sadrian * and maybe if a port goes up->down? 531262681Sadrian */ 532262681Sadrian if ((mii->mii_media_status & IFM_ACTIVE) != 0 && 533262681Sadrian (portstatus & AR8X16_PORT_STS_LINK_UP) == 0) { 534262681Sadrian device_printf(sc->sc_dev, "%s: port %d: port -> DOWN\n", 535262681Sadrian __func__, 536262681Sadrian i); 537262681Sadrian port_flap = 1; 538262681Sadrian } 539235288Sadrian arswitch_update_ifmedia(portstatus, &mii->mii_media_status, 540235288Sadrian &mii->mii_media_active); 541235288Sadrian LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { 542235288Sadrian if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) != 543235288Sadrian miisc->mii_inst) 544235288Sadrian continue; 545235288Sadrian mii_phy_update(miisc, MII_POLLSTAT); 546235288Sadrian } 547235288Sadrian } 548262681Sadrian 549262681Sadrian /* If a port went from down->up, flush the ATU */ 550262681Sadrian if (port_flap) 551262681Sadrian sc->hal.arswitch_atu_flush(sc); 552235288Sadrian} 553235288Sadrian 554235288Sadrianstatic void 555235288Sadrianarswitch_tick(void *arg) 556235288Sadrian{ 557235288Sadrian struct arswitch_softc *sc = arg; 558235288Sadrian 559235288Sadrian arswitch_miipollstat(sc); 560235288Sadrian callout_reset(&sc->callout_tick, hz, arswitch_tick, sc); 561235288Sadrian} 562235288Sadrian 563241578Sraystatic void 564241578Srayarswitch_lock(device_t dev) 565241578Sray{ 566241578Sray struct arswitch_softc *sc = device_get_softc(dev); 567241578Sray 568241578Sray ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 569241578Sray ARSWITCH_LOCK(sc); 570241578Sray} 571241578Sray 572241578Sraystatic void 573241578Srayarswitch_unlock(device_t dev) 574241578Sray{ 575241578Sray struct arswitch_softc *sc = device_get_softc(dev); 576241578Sray 577241578Sray ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 578241578Sray ARSWITCH_UNLOCK(sc); 579241578Sray} 580241578Sray 581235288Sadrianstatic etherswitch_info_t * 582235288Sadrianarswitch_getinfo(device_t dev) 583235288Sadrian{ 584235288Sadrian struct arswitch_softc *sc = device_get_softc(dev); 585235288Sadrian 586235288Sadrian return (&sc->info); 587235288Sadrian} 588235288Sadrian 589235288Sadrianstatic int 590262208Sadrianar8xxx_port_vlan_get(struct arswitch_softc *sc, etherswitch_port_t *p) 591235288Sadrian{ 592253572Sloos uint32_t reg; 593253572Sloos 594253572Sloos ARSWITCH_LOCK(sc); 595253572Sloos 596253572Sloos /* Retrieve the PVID. */ 597262429Sadrian sc->hal.arswitch_vlan_get_pvid(sc, p->es_port, &p->es_pvid); 598253572Sloos 599253572Sloos /* Port flags. */ 600253572Sloos reg = arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(p->es_port)); 601253572Sloos if (reg & AR8X16_PORT_CTRL_DOUBLE_TAG) 602253572Sloos p->es_flags |= ETHERSWITCH_PORT_DOUBLE_TAG; 603253572Sloos reg >>= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 604253572Sloos if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD) 605253572Sloos p->es_flags |= ETHERSWITCH_PORT_ADDTAG; 606253572Sloos if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP) 607253572Sloos p->es_flags |= ETHERSWITCH_PORT_STRIPTAG; 608253572Sloos ARSWITCH_UNLOCK(sc); 609253572Sloos 610262208Sadrian return (0); 611262208Sadrian} 612262208Sadrian 613262208Sadrianstatic int 614262208Sadrianarswitch_getport(device_t dev, etherswitch_port_t *p) 615262208Sadrian{ 616262208Sadrian struct arswitch_softc *sc; 617262208Sadrian struct mii_data *mii; 618262208Sadrian struct ifmediareq *ifmr; 619262208Sadrian int err; 620262208Sadrian 621262208Sadrian sc = device_get_softc(dev); 622262208Sadrian if (p->es_port < 0 || p->es_port > sc->numphys) 623262208Sadrian return (ENXIO); 624262208Sadrian 625262208Sadrian err = sc->hal.arswitch_port_vlan_get(sc, p); 626262208Sadrian if (err != 0) 627262208Sadrian return (err); 628262208Sadrian 629235288Sadrian mii = arswitch_miiforport(sc, p->es_port); 630262208Sadrian if (p->es_port == AR8X16_PORT_CPU) { 631235288Sadrian /* fill in fixed values for CPU port */ 632262208Sadrian /* XXX is this valid in all cases? */ 633250383Sadrian p->es_flags |= ETHERSWITCH_PORT_CPU; 634253572Sloos ifmr = &p->es_ifmr; 635235288Sadrian ifmr->ifm_count = 0; 636235288Sadrian ifmr->ifm_current = ifmr->ifm_active = 637235288Sadrian IFM_ETHER | IFM_1000_T | IFM_FDX; 638235288Sadrian ifmr->ifm_mask = 0; 639235288Sadrian ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID; 640235288Sadrian } else if (mii != NULL) { 641235288Sadrian err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, 642235288Sadrian &mii->mii_media, SIOCGIFMEDIA); 643235288Sadrian if (err) 644235288Sadrian return (err); 645235288Sadrian } else { 646235288Sadrian return (ENXIO); 647235288Sadrian } 648235288Sadrian return (0); 649235288Sadrian} 650235288Sadrian 651235288Sadrianstatic int 652262208Sadrianar8xxx_port_vlan_setup(struct arswitch_softc *sc, etherswitch_port_t *p) 653262208Sadrian{ 654262208Sadrian uint32_t reg; 655262208Sadrian int err; 656262208Sadrian 657262208Sadrian ARSWITCH_LOCK(sc); 658262208Sadrian 659262208Sadrian /* Set the PVID. */ 660262208Sadrian if (p->es_pvid != 0) 661262429Sadrian sc->hal.arswitch_vlan_set_pvid(sc, p->es_port, p->es_pvid); 662262208Sadrian 663262208Sadrian /* Mutually exclusive. */ 664262208Sadrian if (p->es_flags & ETHERSWITCH_PORT_ADDTAG && 665262208Sadrian p->es_flags & ETHERSWITCH_PORT_STRIPTAG) { 666262208Sadrian ARSWITCH_UNLOCK(sc); 667262208Sadrian return (EINVAL); 668262208Sadrian } 669262208Sadrian 670262208Sadrian reg = 0; 671262208Sadrian if (p->es_flags & ETHERSWITCH_PORT_DOUBLE_TAG) 672262208Sadrian reg |= AR8X16_PORT_CTRL_DOUBLE_TAG; 673262208Sadrian if (p->es_flags & ETHERSWITCH_PORT_ADDTAG) 674262208Sadrian reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD << 675262208Sadrian AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 676262208Sadrian if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG) 677262208Sadrian reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP << 678262208Sadrian AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 679262208Sadrian 680262208Sadrian err = arswitch_modifyreg(sc->sc_dev, 681262208Sadrian AR8X16_REG_PORT_CTRL(p->es_port), 682262208Sadrian 0x3 << AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT | 683262208Sadrian AR8X16_PORT_CTRL_DOUBLE_TAG, reg); 684262208Sadrian 685262208Sadrian ARSWITCH_UNLOCK(sc); 686262208Sadrian return (err); 687262208Sadrian} 688262208Sadrian 689262208Sadrianstatic int 690235288Sadrianarswitch_setport(device_t dev, etherswitch_port_t *p) 691235288Sadrian{ 692235288Sadrian int err; 693235288Sadrian struct arswitch_softc *sc; 694235288Sadrian struct ifmedia *ifm; 695235288Sadrian struct mii_data *mii; 696235288Sadrian struct ifnet *ifp; 697235288Sadrian 698253572Sloos sc = device_get_softc(dev); 699253572Sloos if (p->es_port < 0 || p->es_port > sc->numphys) 700235288Sadrian return (ENXIO); 701235288Sadrian 702253572Sloos /* Port flags. */ 703253572Sloos if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 704262208Sadrian err = sc->hal.arswitch_port_vlan_setup(sc, p); 705253572Sloos if (err) 706253572Sloos return (err); 707262208Sadrian } 708253572Sloos 709253572Sloos /* Do not allow media changes on CPU port. */ 710253572Sloos if (p->es_port == AR8X16_PORT_CPU) 711253572Sloos return (0); 712253572Sloos 713235288Sadrian mii = arswitch_miiforport(sc, p->es_port); 714235288Sadrian if (mii == NULL) 715235288Sadrian return (ENXIO); 716235288Sadrian 717235288Sadrian ifp = arswitch_ifpforport(sc, p->es_port); 718235288Sadrian 719235288Sadrian ifm = &mii->mii_media; 720253572Sloos return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA)); 721235288Sadrian} 722235288Sadrian 723235288Sadrianstatic void 724235288Sadrianarswitch_statchg(device_t dev) 725235288Sadrian{ 726235288Sadrian 727235288Sadrian DPRINTF(dev, "%s\n", __func__); 728235288Sadrian} 729235288Sadrian 730235288Sadrianstatic int 731235288Sadrianarswitch_ifmedia_upd(struct ifnet *ifp) 732235288Sadrian{ 733235288Sadrian struct arswitch_softc *sc = ifp->if_softc; 734235288Sadrian struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 735235288Sadrian 736235288Sadrian if (mii == NULL) 737235288Sadrian return (ENXIO); 738235288Sadrian mii_mediachg(mii); 739235288Sadrian return (0); 740235288Sadrian} 741235288Sadrian 742235288Sadrianstatic void 743235288Sadrianarswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 744235288Sadrian{ 745235288Sadrian struct arswitch_softc *sc = ifp->if_softc; 746235288Sadrian struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 747235288Sadrian 748235288Sadrian DPRINTF(sc->sc_dev, "%s\n", __func__); 749235288Sadrian 750235288Sadrian if (mii == NULL) 751235288Sadrian return; 752235288Sadrian mii_pollstat(mii); 753235288Sadrian ifmr->ifm_active = mii->mii_media_active; 754235288Sadrian ifmr->ifm_status = mii->mii_media_status; 755235288Sadrian} 756235288Sadrian 757253572Sloosstatic int 758253572Sloosarswitch_getconf(device_t dev, etherswitch_conf_t *conf) 759253572Sloos{ 760253572Sloos struct arswitch_softc *sc; 761253572Sloos 762253572Sloos sc = device_get_softc(dev); 763253572Sloos 764253572Sloos /* Return the VLAN mode. */ 765253572Sloos conf->cmd = ETHERSWITCH_CONF_VLAN_MODE; 766253572Sloos conf->vlan_mode = sc->vlan_mode; 767253572Sloos 768253572Sloos return (0); 769253572Sloos} 770253572Sloos 771253572Sloosstatic int 772253572Sloosarswitch_setconf(device_t dev, etherswitch_conf_t *conf) 773253572Sloos{ 774253572Sloos struct arswitch_softc *sc; 775253572Sloos int err; 776253572Sloos 777253572Sloos sc = device_get_softc(dev); 778253572Sloos 779253572Sloos /* Set the VLAN mode. */ 780253572Sloos if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) { 781253572Sloos err = arswitch_set_vlan_mode(sc, conf->vlan_mode); 782253572Sloos if (err != 0) 783253572Sloos return (err); 784253572Sloos } 785253572Sloos 786253572Sloos return (0); 787253572Sloos} 788253572Sloos 789262429Sadrianstatic int 790262429Sadrianarswitch_getvgroup(device_t dev, etherswitch_vlangroup_t *e) 791262429Sadrian{ 792262429Sadrian struct arswitch_softc *sc = device_get_softc(dev); 793262429Sadrian 794262429Sadrian return (sc->hal.arswitch_vlan_getvgroup(sc, e)); 795262429Sadrian} 796262429Sadrian 797262429Sadrianstatic int 798262429Sadrianarswitch_setvgroup(device_t dev, etherswitch_vlangroup_t *e) 799262429Sadrian{ 800262429Sadrian struct arswitch_softc *sc = device_get_softc(dev); 801262429Sadrian 802262429Sadrian return (sc->hal.arswitch_vlan_setvgroup(sc, e)); 803262429Sadrian} 804262429Sadrian 805235288Sadrianstatic device_method_t arswitch_methods[] = { 806235288Sadrian /* Device interface */ 807235288Sadrian DEVMETHOD(device_probe, arswitch_probe), 808235288Sadrian DEVMETHOD(device_attach, arswitch_attach), 809235288Sadrian DEVMETHOD(device_detach, arswitch_detach), 810235288Sadrian 811235288Sadrian /* bus interface */ 812235288Sadrian DEVMETHOD(bus_add_child, device_add_child_ordered), 813235288Sadrian 814235288Sadrian /* MII interface */ 815235288Sadrian DEVMETHOD(miibus_readreg, arswitch_readphy), 816235288Sadrian DEVMETHOD(miibus_writereg, arswitch_writephy), 817235288Sadrian DEVMETHOD(miibus_statchg, arswitch_statchg), 818235288Sadrian 819235288Sadrian /* MDIO interface */ 820235288Sadrian DEVMETHOD(mdio_readreg, arswitch_readphy), 821235288Sadrian DEVMETHOD(mdio_writereg, arswitch_writephy), 822235288Sadrian 823235288Sadrian /* etherswitch interface */ 824241578Sray DEVMETHOD(etherswitch_lock, arswitch_lock), 825241578Sray DEVMETHOD(etherswitch_unlock, arswitch_unlock), 826235288Sadrian DEVMETHOD(etherswitch_getinfo, arswitch_getinfo), 827235288Sadrian DEVMETHOD(etherswitch_readreg, arswitch_readreg), 828235288Sadrian DEVMETHOD(etherswitch_writereg, arswitch_writereg), 829235288Sadrian DEVMETHOD(etherswitch_readphyreg, arswitch_readphy), 830235288Sadrian DEVMETHOD(etherswitch_writephyreg, arswitch_writephy), 831235288Sadrian DEVMETHOD(etherswitch_getport, arswitch_getport), 832235288Sadrian DEVMETHOD(etherswitch_setport, arswitch_setport), 833235288Sadrian DEVMETHOD(etherswitch_getvgroup, arswitch_getvgroup), 834235288Sadrian DEVMETHOD(etherswitch_setvgroup, arswitch_setvgroup), 835253572Sloos DEVMETHOD(etherswitch_getconf, arswitch_getconf), 836253572Sloos DEVMETHOD(etherswitch_setconf, arswitch_setconf), 837235288Sadrian 838235288Sadrian DEVMETHOD_END 839235288Sadrian}; 840235288Sadrian 841235288SadrianDEFINE_CLASS_0(arswitch, arswitch_driver, arswitch_methods, 842235288Sadrian sizeof(struct arswitch_softc)); 843235288Sadrianstatic devclass_t arswitch_devclass; 844235288Sadrian 845235288SadrianDRIVER_MODULE(arswitch, mdio, arswitch_driver, arswitch_devclass, 0, 0); 846235288SadrianDRIVER_MODULE(miibus, arswitch, miibus_driver, miibus_devclass, 0, 0); 847235288SadrianDRIVER_MODULE(mdio, arswitch, mdio_driver, mdio_devclass, 0, 0); 848235288SadrianDRIVER_MODULE(etherswitch, arswitch, etherswitch_driver, etherswitch_devclass, 0, 0); 849235288SadrianMODULE_VERSION(arswitch, 1); 850235288SadrianMODULE_DEPEND(arswitch, miibus, 1, 1, 1); /* XXX which versions? */ 851235288SadrianMODULE_DEPEND(arswitch, etherswitch, 1, 1, 1); /* XXX which versions? */ 852