if_udav.c revision 195049
1191762Simp/* $NetBSD: if_udav.c,v 1.2 2003/09/04 15:17:38 tsutsui Exp $ */ 2191762Simp/* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */ 3191762Simp/* $FreeBSD: head/sys/dev/usb/net/if_udav.c 195049 2009-06-26 11:45:06Z rwatson $ */ 4191762Simp/*- 5191762Simp * Copyright (c) 2003 6191762Simp * Shingo WATANABE <nabe@nabechan.org>. All rights reserved. 7191762Simp * 8191762Simp * Redistribution and use in source and binary forms, with or without 9191762Simp * modification, are permitted provided that the following conditions 10191762Simp * are met: 11191762Simp * 1. Redistributions of source code must retain the above copyright 12191762Simp * notice, this list of conditions and the following disclaimer. 13191762Simp * 2. Redistributions in binary form must reproduce the above copyright 14191762Simp * notice, this list of conditions and the following disclaimer in the 15191762Simp * documentation and/or other materials provided with the distribution. 16191762Simp * 3. Neither the name of the author nor the names of any co-contributors 17191762Simp * may be used to endorse or promote products derived from this software 18191762Simp * without specific prior written permission. 19191762Simp * 20191762Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21191762Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22191762Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23191762Simp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24191762Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25191762Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26191762Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27191762Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28191762Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29191762Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30191762Simp * SUCH DAMAGE. 31191762Simp * 32191762Simp */ 33191762Simp 34191762Simp/* 35191762Simp * DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY) 36191762Simp * The spec can be found at the following url. 37191762Simp * http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-P01-930914.pdf 38191762Simp */ 39191762Simp 40191762Simp/* 41235338Sadrian * TODO: 42191762Simp * Interrupt Endpoint support 43191762Simp * External PHYs 44191762Simp */ 45191762Simp 46191762Simp#include <sys/cdefs.h> 47191762Simp__FBSDID("$FreeBSD: head/sys/dev/usb/net/if_udav.c 195049 2009-06-26 11:45:06Z rwatson $"); 48191762Simp 49191762Simp#include <sys/stdint.h> 50191762Simp#include <sys/stddef.h> 51191762Simp#include <sys/param.h> 52191762Simp#include <sys/queue.h> 53191762Simp#include <sys/types.h> 54191762Simp#include <sys/systm.h> 55191762Simp#include <sys/kernel.h> 56191762Simp#include <sys/bus.h> 57191762Simp#include <sys/linker_set.h> 58191762Simp#include <sys/module.h> 59191762Simp#include <sys/lock.h> 60191762Simp#include <sys/mutex.h> 61191762Simp#include <sys/condvar.h> 62191762Simp#include <sys/sysctl.h> 63191762Simp#include <sys/sx.h> 64191762Simp#include <sys/unistd.h> 65191762Simp#include <sys/callout.h> 66191762Simp#include <sys/malloc.h> 67191762Simp#include <sys/priv.h> 68191762Simp 69191762Simp#include <dev/usb/usb.h> 70191762Simp#include <dev/usb/usbdi.h> 71191762Simp#include <dev/usb/usbdi_util.h> 72191762Simp#include "usbdevs.h" 73191762Simp 74191762Simp#define USB_DEBUG_VAR udav_debug 75191762Simp#include <dev/usb/usb_debug.h> 76191762Simp#include <dev/usb/usb_process.h> 77191762Simp 78191762Simp#include <dev/usb/net/usb_ethernet.h> 79191762Simp#include <dev/usb/net/if_udavreg.h> 80191762Simp 81191762Simp/* prototypes */ 82191762Simp 83191762Simpstatic device_probe_t udav_probe; 84191762Simpstatic device_attach_t udav_attach; 85191762Simpstatic device_detach_t udav_detach; 86191762Simp 87191762Simpstatic usb_callback_t udav_bulk_write_callback; 88191762Simpstatic usb_callback_t udav_bulk_read_callback; 89191762Simpstatic usb_callback_t udav_intr_callback; 90191762Simp 91191762Simpstatic uether_fn_t udav_attach_post; 92191762Simpstatic uether_fn_t udav_init; 93191762Simpstatic uether_fn_t udav_stop; 94191762Simpstatic uether_fn_t udav_start; 95191762Simpstatic uether_fn_t udav_tick; 96191762Simpstatic uether_fn_t udav_setmulti; 97191762Simpstatic uether_fn_t udav_setpromisc; 98191762Simp 99191762Simpstatic int udav_csr_read(struct udav_softc *, uint16_t, void *, int); 100191762Simpstatic int udav_csr_write(struct udav_softc *, uint16_t, void *, int); 101191762Simpstatic uint8_t udav_csr_read1(struct udav_softc *, uint16_t); 102191762Simpstatic int udav_csr_write1(struct udav_softc *, uint16_t, uint8_t); 103191762Simpstatic void udav_reset(struct udav_softc *); 104191762Simpstatic int udav_ifmedia_upd(struct ifnet *); 105191762Simpstatic void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); 106191762Simp 107191762Simpstatic miibus_readreg_t udav_miibus_readreg; 108191762Simpstatic miibus_writereg_t udav_miibus_writereg; 109191762Simpstatic miibus_statchg_t udav_miibus_statchg; 110191762Simp 111191762Simpstatic const struct usb_config udav_config[UDAV_N_TRANSFER] = { 112191762Simp 113191762Simp [UDAV_BULK_DT_WR] = { 114191762Simp .type = UE_BULK, 115191762Simp .endpoint = UE_ADDR_ANY, 116191762Simp .direction = UE_DIR_OUT, 117191762Simp .bufsize = (MCLBYTES + 2), 118191762Simp .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 119191762Simp .callback = udav_bulk_write_callback, 120191762Simp .timeout = 10000, /* 10 seconds */ 121191762Simp }, 122191762Simp 123191762Simp [UDAV_BULK_DT_RD] = { 124191762Simp .type = UE_BULK, 125191762Simp .endpoint = UE_ADDR_ANY, 126191762Simp .direction = UE_DIR_IN, 127191762Simp .bufsize = (MCLBYTES + 3), 128191762Simp .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 129191762Simp .callback = udav_bulk_read_callback, 130191762Simp .timeout = 0, /* no timeout */ 131191762Simp }, 132191762Simp 133191762Simp [UDAV_INTR_DT_RD] = { 134191762Simp .type = UE_INTERRUPT, 135191762Simp .endpoint = UE_ADDR_ANY, 136191762Simp .direction = UE_DIR_IN, 137191762Simp .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 138191762Simp .bufsize = 0, /* use wMaxPacketSize */ 139191762Simp .callback = udav_intr_callback, 140191762Simp }, 141191762Simp}; 142191762Simp 143191762Simpstatic device_method_t udav_methods[] = { 144191762Simp /* Device interface */ 145191762Simp DEVMETHOD(device_probe, udav_probe), 146191762Simp DEVMETHOD(device_attach, udav_attach), 147191762Simp DEVMETHOD(device_detach, udav_detach), 148191762Simp 149191762Simp /* bus interface */ 150191762Simp DEVMETHOD(bus_print_child, bus_generic_print_child), 151191762Simp DEVMETHOD(bus_driver_added, bus_generic_driver_added), 152191762Simp 153191762Simp /* MII interface */ 154191762Simp DEVMETHOD(miibus_readreg, udav_miibus_readreg), 155191762Simp DEVMETHOD(miibus_writereg, udav_miibus_writereg), 156191762Simp DEVMETHOD(miibus_statchg, udav_miibus_statchg), 157191762Simp 158191762Simp {0, 0} 159191762Simp}; 160191762Simp 161191762Simpstatic driver_t udav_driver = { 162191762Simp .name = "udav", 163191762Simp .methods = udav_methods, 164191762Simp .size = sizeof(struct udav_softc), 165191762Simp}; 166191762Simp 167191762Simpstatic devclass_t udav_devclass; 168191762Simp 169191762SimpDRIVER_MODULE(udav, uhub, udav_driver, udav_devclass, NULL, 0); 170191762SimpDRIVER_MODULE(miibus, udav, miibus_driver, miibus_devclass, 0, 0); 171191762SimpMODULE_DEPEND(udav, uether, 1, 1, 1); 172191762SimpMODULE_DEPEND(udav, usb, 1, 1, 1); 173191762SimpMODULE_DEPEND(udav, ether, 1, 1, 1); 174191762SimpMODULE_DEPEND(udav, miibus, 1, 1, 1); 175191762Simp 176191762Simpstatic const struct usb_ether_methods udav_ue_methods = { 177191762Simp .ue_attach_post = udav_attach_post, 178191762Simp .ue_start = udav_start, 179191762Simp .ue_init = udav_init, 180191762Simp .ue_stop = udav_stop, 181191762Simp .ue_tick = udav_tick, 182191762Simp .ue_setmulti = udav_setmulti, 183191762Simp .ue_setpromisc = udav_setpromisc, 184191762Simp .ue_mii_upd = udav_ifmedia_upd, 185191762Simp .ue_mii_sts = udav_ifmedia_status, 186191762Simp}; 187191762Simp 188191762Simp#if USB_DEBUG 189191762Simpstatic int udav_debug = 0; 190191762Simp 191191762SimpSYSCTL_NODE(_hw_usb, OID_AUTO, udav, CTLFLAG_RW, 0, "USB udav"); 192191762SimpSYSCTL_INT(_hw_usb_udav, OID_AUTO, debug, CTLFLAG_RW, &udav_debug, 0, 193191762Simp "Debug level"); 194191762Simp#endif 195191762Simp 196191762Simp#define UDAV_SETBIT(sc, reg, x) \ 197191762Simp udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) 198191762Simp 199191762Simp#define UDAV_CLRBIT(sc, reg, x) \ 200191762Simp udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) 201191762Simp 202191762Simpstatic const struct usb_device_id udav_devs[] = { 203191762Simp /* ShanTou DM9601 USB NIC */ 204191762Simp {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_DM9601, 0)}, 205191762Simp /* ShanTou ST268 USB NIC */ 206191762Simp {USB_VPI(USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268, 0)}, 207191762Simp /* Corega USB-TXC */ 208191762Simp {USB_VPI(USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC, 0)}, 209191762Simp}; 210191762Simp 211191762Simpstatic void 212191762Simpudav_attach_post(struct usb_ether *ue) 213191762Simp{ 214191762Simp struct udav_softc *sc = uether_getsc(ue); 215191762Simp 216191762Simp /* reset the adapter */ 217191762Simp udav_reset(sc); 218191762Simp 219191762Simp /* Get Ethernet Address */ 220191762Simp udav_csr_read(sc, UDAV_PAR, ue->ue_eaddr, ETHER_ADDR_LEN); 221191762Simp} 222191762Simp 223191762Simpstatic int 224191762Simpudav_probe(device_t dev) 225191762Simp{ 226191762Simp struct usb_attach_arg *uaa = device_get_ivars(dev); 227191762Simp 228191762Simp if (uaa->usb_mode != USB_MODE_HOST) 229191762Simp return (ENXIO); 230191762Simp if (uaa->info.bConfigIndex != UDAV_CONFIG_INDEX) 231191762Simp return (ENXIO); 232191762Simp if (uaa->info.bIfaceIndex != UDAV_IFACE_INDEX) 233191762Simp return (ENXIO); 234191762Simp 235191762Simp return (usbd_lookup_id_by_uaa(udav_devs, sizeof(udav_devs), uaa)); 236191762Simp} 237191762Simp 238191762Simpstatic int 239191762Simpudav_attach(device_t dev) 240191762Simp{ 241191762Simp struct usb_attach_arg *uaa = device_get_ivars(dev); 242191762Simp struct udav_softc *sc = device_get_softc(dev); 243191762Simp struct usb_ether *ue = &sc->sc_ue; 244191762Simp uint8_t iface_index; 245191762Simp int error; 246191762Simp 247191762Simp sc->sc_flags = USB_GET_DRIVER_INFO(uaa); 248191762Simp 249191762Simp device_set_usb_desc(dev); 250191762Simp 251191762Simp mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF); 252191762Simp 253191762Simp iface_index = UDAV_IFACE_INDEX; 254191762Simp error = usbd_transfer_setup(uaa->device, &iface_index, 255191762Simp sc->sc_xfer, udav_config, UDAV_N_TRANSFER, sc, &sc->sc_mtx); 256191762Simp if (error) { 257191762Simp device_printf(dev, "allocating USB transfers failed!\n"); 258191762Simp goto detach; 259191762Simp } 260191762Simp 261191762Simp ue->ue_sc = sc; 262191762Simp ue->ue_dev = dev; 263191762Simp ue->ue_udev = uaa->device; 264191762Simp ue->ue_mtx = &sc->sc_mtx; 265191762Simp ue->ue_methods = &udav_ue_methods; 266191762Simp 267191762Simp error = uether_ifattach(ue); 268191762Simp if (error) { 269191762Simp device_printf(dev, "could not attach interface\n"); 270191762Simp goto detach; 271191762Simp } 272191762Simp 273191762Simp return (0); /* success */ 274191762Simp 275191762Simpdetach: 276191762Simp udav_detach(dev); 277191762Simp return (ENXIO); /* failure */ 278191762Simp} 279191762Simp 280191762Simpstatic int 281191762Simpudav_detach(device_t dev) 282191762Simp{ 283191762Simp struct udav_softc *sc = device_get_softc(dev); 284191762Simp struct usb_ether *ue = &sc->sc_ue; 285191762Simp 286191762Simp usbd_transfer_unsetup(sc->sc_xfer, UDAV_N_TRANSFER); 287191762Simp uether_ifdetach(ue); 288191762Simp mtx_destroy(&sc->sc_mtx); 289191762Simp 290191762Simp return (0); 291191762Simp} 292191762Simp 293191762Simp#if 0 294191762Simpstatic int 295191762Simpudav_mem_read(struct udav_softc *sc, uint16_t offset, void *buf, 296191762Simp int len) 297191762Simp{ 298191762Simp struct usb_device_request req; 299191762Simp 300191762Simp len &= 0xff; 301191762Simp 302191762Simp req.bmRequestType = UT_READ_VENDOR_DEVICE; 303191762Simp req.bRequest = UDAV_REQ_MEM_READ; 304191762Simp USETW(req.wValue, 0x0000); 305191762Simp USETW(req.wIndex, offset); 306191762Simp USETW(req.wLength, len); 307191762Simp 308191762Simp return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 309191762Simp} 310191762Simp 311191762Simpstatic int 312191762Simpudav_mem_write(struct udav_softc *sc, uint16_t offset, void *buf, 313191762Simp int len) 314191762Simp{ 315191762Simp struct usb_device_request req; 316191762Simp 317191762Simp len &= 0xff; 318191762Simp 319191762Simp req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 320191762Simp req.bRequest = UDAV_REQ_MEM_WRITE; 321191762Simp USETW(req.wValue, 0x0000); 322191762Simp USETW(req.wIndex, offset); 323191762Simp USETW(req.wLength, len); 324191762Simp 325191762Simp return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 326191762Simp} 327191762Simp 328191762Simpstatic int 329191762Simpudav_mem_write1(struct udav_softc *sc, uint16_t offset, 330191762Simp uint8_t ch) 331191762Simp{ 332191762Simp struct usb_device_request req; 333191762Simp 334191762Simp req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 335191762Simp req.bRequest = UDAV_REQ_MEM_WRITE1; 336191762Simp USETW(req.wValue, ch); 337191762Simp USETW(req.wIndex, offset); 338191762Simp USETW(req.wLength, 0x0000); 339191762Simp 340191762Simp return (uether_do_request(&sc->sc_ue, &req, NULL, 1000)); 341191762Simp} 342191762Simp#endif 343191762Simp 344191762Simpstatic int 345191762Simpudav_csr_read(struct udav_softc *sc, uint16_t offset, void *buf, int len) 346191762Simp{ 347191762Simp struct usb_device_request req; 348191762Simp 349191762Simp len &= 0xff; 350191762Simp 351191762Simp req.bmRequestType = UT_READ_VENDOR_DEVICE; 352191762Simp req.bRequest = UDAV_REQ_REG_READ; 353191762Simp USETW(req.wValue, 0x0000); 354191762Simp USETW(req.wIndex, offset); 355191762Simp USETW(req.wLength, len); 356191762Simp 357191762Simp return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 358191762Simp} 359191762Simp 360191762Simpstatic int 361191762Simpudav_csr_write(struct udav_softc *sc, uint16_t offset, void *buf, int len) 362191762Simp{ 363191762Simp struct usb_device_request req; 364191762Simp 365191762Simp offset &= 0xff; 366191762Simp len &= 0xff; 367191762Simp 368191762Simp req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 369191762Simp req.bRequest = UDAV_REQ_REG_WRITE; 370191762Simp USETW(req.wValue, 0x0000); 371191762Simp USETW(req.wIndex, offset); 372191762Simp USETW(req.wLength, len); 373191762Simp 374191762Simp return (uether_do_request(&sc->sc_ue, &req, buf, 1000)); 375191762Simp} 376191762Simp 377192306Simpstatic uint8_t 378191762Simpudav_csr_read1(struct udav_softc *sc, uint16_t offset) 379191762Simp{ 380191762Simp uint8_t val; 381191762Simp 382191762Simp udav_csr_read(sc, offset, &val, 1); 383191762Simp return (val); 384191762Simp} 385191762Simp 386191762Simpstatic int 387191762Simpudav_csr_write1(struct udav_softc *sc, uint16_t offset, 388191762Simp uint8_t ch) 389191762Simp{ 390191762Simp struct usb_device_request req; 391191762Simp 392191762Simp offset &= 0xff; 393191762Simp 394191762Simp req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 395191762Simp req.bRequest = UDAV_REQ_REG_WRITE1; 396191762Simp USETW(req.wValue, ch); 397191762Simp USETW(req.wIndex, offset); 398191762Simp USETW(req.wLength, 0x0000); 399191762Simp 400191762Simp return (uether_do_request(&sc->sc_ue, &req, NULL, 1000)); 401191762Simp} 402191762Simp 403191762Simpstatic void 404191762Simpudav_init(struct usb_ether *ue) 405191762Simp{ 406191762Simp struct udav_softc *sc = ue->ue_sc; 407191762Simp struct ifnet *ifp = uether_getifp(&sc->sc_ue); 408191762Simp 409191762Simp UDAV_LOCK_ASSERT(sc, MA_OWNED); 410191762Simp 411191762Simp /* 412191762Simp * Cancel pending I/O 413191762Simp */ 414191762Simp udav_stop(ue); 415191762Simp 416191762Simp /* set MAC address */ 417191762Simp udav_csr_write(sc, UDAV_PAR, IF_LLADDR(ifp), ETHER_ADDR_LEN); 418191762Simp 419191762Simp /* initialize network control register */ 420191762Simp 421191762Simp /* disable loopback */ 422191762Simp UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); 423191762Simp 424191762Simp /* Initialize RX control register */ 425191762Simp UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); 426191762Simp 427191762Simp /* load multicast filter and update promiscious mode bit */ 428191762Simp udav_setpromisc(ue); 429191762Simp 430191762Simp /* enable RX */ 431191762Simp UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); 432191762Simp 433191762Simp /* clear POWER_DOWN state of internal PHY */ 434191762Simp UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); 435191762Simp UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); 436191762Simp 437191762Simp usbd_xfer_set_stall(sc->sc_xfer[UDAV_BULK_DT_WR]); 438191762Simp 439191762Simp ifp->if_drv_flags |= IFF_DRV_RUNNING; 440191762Simp udav_start(ue); 441191762Simp} 442191762Simp 443191762Simpstatic void 444191762Simpudav_reset(struct udav_softc *sc) 445191762Simp{ 446191762Simp int i; 447191762Simp 448191762Simp /* Select PHY */ 449191762Simp#if 1 450191762Simp /* 451191762Simp * XXX: force select internal phy. 452191762Simp * external phy routines are not tested. 453191762Simp */ 454191762Simp UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 455191762Simp#else 456191762Simp if (sc->sc_flags & UDAV_EXT_PHY) 457191762Simp UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 458191762Simp else 459191762Simp UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 460191762Simp#endif 461191762Simp 462191762Simp UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); 463191762Simp 464191762Simp for (i = 0; i < UDAV_TX_TIMEOUT; i++) { 465191762Simp if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) 466191762Simp break; 467191762Simp if (uether_pause(&sc->sc_ue, hz / 100)) 468191762Simp break; 469191762Simp } 470191762Simp 471191762Simp uether_pause(&sc->sc_ue, hz / 100); 472191762Simp} 473191762Simp 474191762Simp#define UDAV_BITS 6 475191762Simpstatic void 476191762Simpudav_setmulti(struct usb_ether *ue) 477191762Simp{ 478191762Simp struct udav_softc *sc = ue->ue_sc; 479191762Simp struct ifnet *ifp = uether_getifp(&sc->sc_ue); 480191762Simp struct ifmultiaddr *ifma; 481191762Simp uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 482191762Simp int h = 0; 483191762Simp 484191762Simp UDAV_LOCK_ASSERT(sc, MA_OWNED); 485191762Simp 486191762Simp if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 487191762Simp UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 488191762Simp return; 489191762Simp } 490191762Simp 491191762Simp /* first, zot all the existing hash bits */ 492191762Simp memset(hashtbl, 0x00, sizeof(hashtbl)); 493191762Simp hashtbl[7] |= 0x80; /* broadcast address */ 494191762Simp udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl)); 495191762Simp 496191762Simp /* now program new ones */ 497191762Simp if_maddr_rlock(ifp); 498191762Simp TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) 499191762Simp { 500191762Simp if (ifma->ifma_addr->sa_family != AF_LINK) 501191762Simp continue; 502191762Simp h = ether_crc32_be(LLADDR((struct sockaddr_dl *) 503191762Simp ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 504191762Simp hashtbl[h / 8] |= 1 << (h % 8); 505191762Simp } 506191762Simp if_maddr_runlock(ifp); 507191762Simp 508191762Simp /* disable all multicast */ 509191762Simp UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 510191762Simp 511191762Simp /* write hash value to the register */ 512191762Simp udav_csr_write(sc, UDAV_MAR, hashtbl, sizeof(hashtbl)); 513191762Simp} 514191762Simp 515191762Simpstatic void 516191762Simpudav_setpromisc(struct usb_ether *ue) 517191762Simp{ 518191762Simp struct udav_softc *sc = ue->ue_sc; 519191762Simp struct ifnet *ifp = uether_getifp(&sc->sc_ue); 520191762Simp uint8_t rxmode; 521191762Simp 522191762Simp rxmode = udav_csr_read1(sc, UDAV_RCR); 523191762Simp rxmode &= ~(UDAV_RCR_ALL | UDAV_RCR_PRMSC); 524191762Simp 525191762Simp if (ifp->if_flags & IFF_PROMISC) 526191762Simp rxmode |= UDAV_RCR_ALL | UDAV_RCR_PRMSC; 527191762Simp else if (ifp->if_flags & IFF_ALLMULTI) 528191762Simp rxmode |= UDAV_RCR_ALL; 529191762Simp 530191762Simp /* write new mode bits */ 531191762Simp udav_csr_write1(sc, UDAV_RCR, rxmode); 532191762Simp} 533191762Simp 534191762Simpstatic void 535191762Simpudav_start(struct usb_ether *ue) 536191762Simp{ 537191762Simp struct udav_softc *sc = ue->ue_sc; 538191762Simp 539191762Simp /* 540191762Simp * start the USB transfers, if not already started: 541191762Simp */ 542191762Simp usbd_transfer_start(sc->sc_xfer[UDAV_INTR_DT_RD]); 543191762Simp usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_RD]); 544191762Simp usbd_transfer_start(sc->sc_xfer[UDAV_BULK_DT_WR]); 545191762Simp} 546191762Simp 547191762Simpstatic void 548191762Simpudav_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 549191762Simp{ 550191762Simp struct udav_softc *sc = usbd_xfer_softc(xfer); 551191762Simp struct ifnet *ifp = uether_getifp(&sc->sc_ue); 552191762Simp struct usb_page_cache *pc; 553191762Simp struct mbuf *m; 554191762Simp int extra_len; 555191762Simp int temp_len; 556191762Simp uint8_t buf[2]; 557191762Simp 558191762Simp switch (USB_GET_STATE(xfer)) { 559191762Simp case USB_ST_TRANSFERRED: 560191762Simp DPRINTFN(11, "transfer complete\n"); 561191762Simp ifp->if_opackets++; 562191762Simp 563191762Simp /* FALLTHROUGH */ 564191762Simp case USB_ST_SETUP: 565191762Simptr_setup: 566191762Simp if ((sc->sc_flags & UDAV_FLAG_LINK) == 0) { 567191762Simp /* 568191762Simp * don't send anything if there is no link ! 569191762Simp */ 570191762Simp return; 571191762Simp } 572191762Simp IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 573191762Simp 574191762Simp if (m == NULL) 575191762Simp return; 576191762Simp if (m->m_pkthdr.len > MCLBYTES) 577191762Simp m->m_pkthdr.len = MCLBYTES; 578191762Simp if (m->m_pkthdr.len < UDAV_MIN_FRAME_LEN) { 579191762Simp extra_len = UDAV_MIN_FRAME_LEN - m->m_pkthdr.len; 580191762Simp } else { 581191762Simp extra_len = 0; 582191762Simp } 583191762Simp 584191762Simp temp_len = (m->m_pkthdr.len + extra_len); 585191762Simp 586191762Simp /* 587191762Simp * the frame length is specified in the first 2 bytes of the 588191762Simp * buffer 589191762Simp */ 590191762Simp buf[0] = (uint8_t)(temp_len); 591191762Simp buf[1] = (uint8_t)(temp_len >> 8); 592191762Simp 593191762Simp temp_len += 2; 594191762Simp 595191762Simp pc = usbd_xfer_get_frame(xfer, 0); 596191762Simp usbd_copy_in(pc, 0, buf, 2); 597191762Simp usbd_m_copy_in(pc, 2, m, 0, m->m_pkthdr.len); 598191762Simp 599191762Simp if (extra_len) 600191762Simp usbd_frame_zero(pc, temp_len - extra_len, extra_len); 601191762Simp /* 602191762Simp * if there's a BPF listener, bounce a copy 603191762Simp * of this frame to him: 604191762Simp */ 605191762Simp BPF_MTAP(ifp, m); 606191762Simp 607191762Simp m_freem(m); 608191762Simp 609191762Simp usbd_xfer_set_frame_len(xfer, 0, temp_len); 610191762Simp usbd_transfer_submit(xfer); 611191762Simp return; 612191762Simp 613191762Simp default: /* Error */ 614191762Simp DPRINTFN(11, "transfer error, %s\n", 615191762Simp usbd_errstr(error)); 616191762Simp 617191762Simp ifp->if_oerrors++; 618191762Simp 619191762Simp if (error != USB_ERR_CANCELLED) { 620191762Simp /* try to clear stall first */ 621191762Simp usbd_xfer_set_stall(xfer); 622191762Simp goto tr_setup; 623191762Simp } 624191762Simp return; 625191762Simp } 626191762Simp} 627191762Simp 628191762Simpstatic void 629191762Simpudav_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 630191762Simp{ 631191762Simp struct udav_softc *sc = usbd_xfer_softc(xfer); 632191762Simp struct usb_ether *ue = &sc->sc_ue; 633191762Simp struct ifnet *ifp = uether_getifp(ue); 634191762Simp struct usb_page_cache *pc; 635191762Simp struct udav_rxpkt stat; 636191762Simp int len; 637191762Simp int actlen; 638191762Simp 639191762Simp usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 640191762Simp 641191762Simp switch (USB_GET_STATE(xfer)) { 642191762Simp case USB_ST_TRANSFERRED: 643191762Simp 644191762Simp if (actlen < sizeof(stat) + ETHER_CRC_LEN) { 645191762Simp ifp->if_ierrors++; 646191762Simp goto tr_setup; 647191762Simp } 648191762Simp pc = usbd_xfer_get_frame(xfer, 0); 649191762Simp usbd_copy_out(pc, 0, &stat, sizeof(stat)); 650191762Simp actlen -= sizeof(stat); 651191762Simp len = min(actlen, le16toh(stat.pktlen)); 652191762Simp len -= ETHER_CRC_LEN; 653191762Simp 654191762Simp if (stat.rxstat & UDAV_RSR_LCS) { 655191762Simp ifp->if_collisions++; 656191762Simp goto tr_setup; 657191762Simp } 658191762Simp if (stat.rxstat & UDAV_RSR_ERR) { 659191762Simp ifp->if_ierrors++; 660191762Simp goto tr_setup; 661191762Simp } 662191762Simp uether_rxbuf(ue, pc, sizeof(stat), len); 663191762Simp /* FALLTHROUGH */ 664191762Simp case USB_ST_SETUP: 665191762Simptr_setup: 666192046Snwhitehorn usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 667192046Snwhitehorn usbd_transfer_submit(xfer); 668192042Snwhitehorn uether_rxflush(ue); 669191762Simp return; 670191762Simp 671191762Simp default: /* Error */ 672191762Simp DPRINTF("bulk read error, %s\n", 673191762Simp usbd_errstr(error)); 674191762Simp 675191762Simp if (error != USB_ERR_CANCELLED) { 676191762Simp /* try to clear stall first */ 677191762Simp usbd_xfer_set_stall(xfer); 678191762Simp goto tr_setup; 679191762Simp } 680191762Simp return; 681191762Simp } 682191762Simp} 683191762Simp 684191762Simpstatic void 685191762Simpudav_intr_callback(struct usb_xfer *xfer, usb_error_t error) 686191762Simp{ 687191762Simp switch (USB_GET_STATE(xfer)) { 688191762Simp case USB_ST_TRANSFERRED: 689191762Simp case USB_ST_SETUP: 690191762Simptr_setup: 691191762Simp usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 692191762Simp usbd_transfer_submit(xfer); 693191762Simp return; 694191762Simp 695191762Simp default: /* Error */ 696191762Simp if (error != USB_ERR_CANCELLED) { 697191762Simp /* try to clear stall first */ 698191762Simp usbd_xfer_set_stall(xfer); 699191762Simp goto tr_setup; 700191762Simp } 701191762Simp return; 702191762Simp } 703191762Simp} 704191762Simp 705191762Simpstatic void 706191762Simpudav_stop(struct usb_ether *ue) 707191762Simp{ 708191762Simp struct udav_softc *sc = ue->ue_sc; 709191762Simp struct ifnet *ifp = uether_getifp(&sc->sc_ue); 710191762Simp 711191762Simp UDAV_LOCK_ASSERT(sc, MA_OWNED); 712191762Simp 713191762Simp ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 714191762Simp sc->sc_flags &= ~UDAV_FLAG_LINK; 715191762Simp 716191762Simp /* 717191762Simp * stop all the transfers, if not already stopped: 718191762Simp */ 719191762Simp usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_WR]); 720191762Simp usbd_transfer_stop(sc->sc_xfer[UDAV_BULK_DT_RD]); 721191762Simp usbd_transfer_stop(sc->sc_xfer[UDAV_INTR_DT_RD]); 722191762Simp 723191762Simp udav_reset(sc); 724191762Simp} 725191762Simp 726191762Simpstatic int 727191762Simpudav_ifmedia_upd(struct ifnet *ifp) 728191762Simp{ 729191762Simp struct udav_softc *sc = ifp->if_softc; 730191762Simp struct mii_data *mii = GET_MII(sc); 731191762Simp 732191762Simp UDAV_LOCK_ASSERT(sc, MA_OWNED); 733191762Simp 734191762Simp sc->sc_flags &= ~UDAV_FLAG_LINK; 735191762Simp if (mii->mii_instance) { 736191762Simp struct mii_softc *miisc; 737191762Simp 738191762Simp LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 739191762Simp mii_phy_reset(miisc); 740191762Simp } 741191762Simp mii_mediachg(mii); 742191762Simp return (0); 743191762Simp} 744191762Simp 745191762Simpstatic void 746191762Simpudav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 747191762Simp{ 748191762Simp struct udav_softc *sc = ifp->if_softc; 749191762Simp struct mii_data *mii = GET_MII(sc); 750191762Simp 751191762Simp UDAV_LOCK(sc); 752191762Simp mii_pollstat(mii); 753191762Simp UDAV_UNLOCK(sc); 754191762Simp ifmr->ifm_active = mii->mii_media_active; 755191762Simp ifmr->ifm_status = mii->mii_media_status; 756191762Simp} 757191762Simp 758191762Simpstatic void 759191762Simpudav_tick(struct usb_ether *ue) 760191762Simp{ 761191762Simp struct udav_softc *sc = ue->ue_sc; 762191762Simp struct mii_data *mii = GET_MII(sc); 763191762Simp 764191762Simp UDAV_LOCK_ASSERT(sc, MA_OWNED); 765191762Simp 766191762Simp mii_tick(mii); 767191762Simp if ((sc->sc_flags & UDAV_FLAG_LINK) == 0 768191762Simp && mii->mii_media_status & IFM_ACTIVE && 769191762Simp IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 770191762Simp sc->sc_flags |= UDAV_FLAG_LINK; 771191762Simp udav_start(ue); 772191762Simp } 773191762Simp} 774191762Simp 775191762Simpstatic int 776191762Simpudav_miibus_readreg(device_t dev, int phy, int reg) 777191762Simp{ 778191762Simp struct udav_softc *sc = device_get_softc(dev); 779191762Simp uint16_t data16; 780191762Simp uint8_t val[2]; 781191762Simp int locked; 782191762Simp 783191762Simp /* XXX: one PHY only for the internal PHY */ 784191762Simp if (phy != 0) 785191762Simp return (0); 786191762Simp 787191762Simp locked = mtx_owned(&sc->sc_mtx); 788191762Simp if (!locked) 789191762Simp UDAV_LOCK(sc); 790191762Simp 791191762Simp /* select internal PHY and set PHY register address */ 792191762Simp udav_csr_write1(sc, UDAV_EPAR, 793191762Simp UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 794191762Simp 795191762Simp /* select PHY operation and start read command */ 796191762Simp udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); 797191762Simp 798191762Simp /* XXX: should we wait? */ 799191762Simp 800226182Sadrian /* end read command */ 801191762Simp UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); 802191762Simp 803191762Simp /* retrieve the result from data registers */ 804191762Simp udav_csr_read(sc, UDAV_EPDRL, val, 2); 805191762Simp 806191762Simp data16 = (val[0] | (val[1] << 8)); 807191762Simp 808191762Simp DPRINTFN(11, "phy=%d reg=0x%04x => 0x%04x\n", 809191762Simp phy, reg, data16); 810191762Simp 811191762Simp if (!locked) 812191762Simp UDAV_UNLOCK(sc); 813191762Simp return (data16); 814191762Simp} 815191762Simp 816191762Simpstatic int 817191762Simpudav_miibus_writereg(device_t dev, int phy, int reg, int data) 818191762Simp{ 819191762Simp struct udav_softc *sc = device_get_softc(dev); 820191762Simp uint8_t val[2]; 821191762Simp int locked; 822191762Simp 823191762Simp /* XXX: one PHY only for the internal PHY */ 824191762Simp if (phy != 0) 825191762Simp return (0); 826191762Simp 827191762Simp locked = mtx_owned(&sc->sc_mtx); 828191762Simp if (!locked) 829191762Simp UDAV_LOCK(sc); 830191762Simp 831191762Simp /* select internal PHY and set PHY register address */ 832191762Simp udav_csr_write1(sc, UDAV_EPAR, 833191762Simp UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 834191762Simp 835191762Simp /* put the value to the data registers */ 836191762Simp val[0] = (data & 0xff); 837191762Simp val[1] = (data >> 8) & 0xff; 838191762Simp udav_csr_write(sc, UDAV_EPDRL, val, 2); 839191762Simp 840191762Simp /* select PHY operation and start write command */ 841191762Simp udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); 842191762Simp 843191762Simp /* XXX: should we wait? */ 844191762Simp 845191762Simp /* end write command */ 846191762Simp UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); 847191762Simp 848191762Simp if (!locked) 849191762Simp UDAV_UNLOCK(sc); 850191762Simp return (0); 851191762Simp} 852191762Simp 853191762Simpstatic void 854191762Simpudav_miibus_statchg(device_t dev) 855191762Simp{ 856191762Simp /* nothing to do */ 857191762Simp} 858191762Simp