| 1 | /* $NetBSD: if_cue.c,v 1.73 2016/06/10 13:27:15 ozaki-r Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 1997, 1998, 1999, 2000 |
| 4 | * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * 3. All advertising materials mentioning features or use of this software |
| 15 | * must display the following acknowledgement: |
| 16 | * This product includes software developed by Bill Paul. |
| 17 | * 4. Neither the name of the author nor the names of any co-contributors |
| 18 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD |
| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
| 32 | * |
| 33 | * $FreeBSD: src/sys/dev/usb/if_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $ |
| 34 | */ |
| 35 | |
| 36 | /* |
| 37 | * CATC USB-EL1210A USB to ethernet driver. Used in the CATC Netmate |
| 38 | * adapters and others. |
| 39 | * |
| 40 | * Written by Bill Paul <wpaul@ee.columbia.edu> |
| 41 | * Electrical Engineering Department |
| 42 | * Columbia University, New York City |
| 43 | */ |
| 44 | |
| 45 | /* |
| 46 | * The CATC USB-EL1210A provides USB ethernet support at 10Mbps. The |
| 47 | * RX filter uses a 512-bit multicast hash table, single perfect entry |
| 48 | * for the station address, and promiscuous mode. Unlike the ADMtek |
| 49 | * and KLSI chips, the CATC ASIC supports read and write combining |
| 50 | * mode where multiple packets can be transfered using a single bulk |
| 51 | * transaction, which helps performance a great deal. |
| 52 | */ |
| 53 | |
| 54 | /* |
| 55 | * Ported to NetBSD and somewhat rewritten by Lennart Augustsson. |
| 56 | */ |
| 57 | |
| 58 | #include <sys/cdefs.h> |
| 59 | __KERNEL_RCSID(0, "$NetBSD: if_cue.c,v 1.73 2016/06/10 13:27:15 ozaki-r Exp $" ); |
| 60 | |
| 61 | #ifdef _KERNEL_OPT |
| 62 | #include "opt_inet.h" |
| 63 | #endif |
| 64 | |
| 65 | #include <sys/param.h> |
| 66 | #include <sys/systm.h> |
| 67 | #include <sys/callout.h> |
| 68 | #include <sys/sockio.h> |
| 69 | #include <sys/mbuf.h> |
| 70 | #include <sys/kernel.h> |
| 71 | #include <sys/socket.h> |
| 72 | #include <sys/bus.h> |
| 73 | #include <sys/device.h> |
| 74 | |
| 75 | #include <net/if.h> |
| 76 | #include <net/if_arp.h> |
| 77 | #include <net/if_dl.h> |
| 78 | #include <net/bpf.h> |
| 79 | #include <net/if_ether.h> |
| 80 | |
| 81 | #ifdef INET |
| 82 | #include <netinet/in.h> |
| 83 | #include <netinet/if_inarp.h> |
| 84 | #endif |
| 85 | |
| 86 | #include <dev/usb/usb.h> |
| 87 | #include <dev/usb/usbdi.h> |
| 88 | #include <dev/usb/usbdi_util.h> |
| 89 | #include <dev/usb/usbdivar.h> |
| 90 | #include <dev/usb/usbdevs.h> |
| 91 | |
| 92 | #include <dev/usb/if_cuereg.h> |
| 93 | |
| 94 | #ifdef CUE_DEBUG |
| 95 | #define DPRINTF(x) if (cuedebug) printf x |
| 96 | #define DPRINTFN(n,x) if (cuedebug >= (n)) printf x |
| 97 | int cuedebug = 0; |
| 98 | #else |
| 99 | #define DPRINTF(x) |
| 100 | #define DPRINTFN(n,x) |
| 101 | #endif |
| 102 | |
| 103 | /* |
| 104 | * Various supported device vendors/products. |
| 105 | */ |
| 106 | Static struct usb_devno cue_devs[] = { |
| 107 | { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, |
| 108 | { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, |
| 109 | { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, |
| 110 | /* Belkin F5U111 adapter covered by NETMATE entry */ |
| 111 | }; |
| 112 | #define cue_lookup(v, p) (usb_lookup(cue_devs, v, p)) |
| 113 | |
| 114 | int cue_match(device_t, cfdata_t, void *); |
| 115 | void cue_attach(device_t, device_t, void *); |
| 116 | int cue_detach(device_t, int); |
| 117 | int cue_activate(device_t, enum devact); |
| 118 | extern struct cfdriver cue_cd; |
| 119 | CFATTACH_DECL_NEW(cue, sizeof(struct cue_softc), cue_match, cue_attach, |
| 120 | cue_detach, cue_activate); |
| 121 | |
| 122 | Static int cue_open_pipes(struct cue_softc *); |
| 123 | Static int cue_tx_list_init(struct cue_softc *); |
| 124 | Static int cue_rx_list_init(struct cue_softc *); |
| 125 | Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *); |
| 126 | Static int cue_send(struct cue_softc *, struct mbuf *, int); |
| 127 | Static void cue_rxeof(struct usbd_xfer *, void *, usbd_status); |
| 128 | Static void cue_txeof(struct usbd_xfer *, void *, usbd_status); |
| 129 | Static void cue_tick(void *); |
| 130 | Static void cue_tick_task(void *); |
| 131 | Static void cue_start(struct ifnet *); |
| 132 | Static int cue_ioctl(struct ifnet *, u_long, void *); |
| 133 | Static void cue_init(void *); |
| 134 | Static void cue_stop(struct cue_softc *); |
| 135 | Static void cue_watchdog(struct ifnet *); |
| 136 | |
| 137 | Static void cue_setmulti(struct cue_softc *); |
| 138 | Static uint32_t cue_crc(const char *); |
| 139 | Static void cue_reset(struct cue_softc *); |
| 140 | |
| 141 | Static int cue_csr_read_1(struct cue_softc *, int); |
| 142 | Static int cue_csr_write_1(struct cue_softc *, int, int); |
| 143 | Static int cue_csr_read_2(struct cue_softc *, int); |
| 144 | #if 0 |
| 145 | Static int cue_csr_write_2(struct cue_softc *, int, int); |
| 146 | #endif |
| 147 | Static int cue_mem(struct cue_softc *, int, int, void *, int); |
| 148 | Static int cue_getmac(struct cue_softc *, void *); |
| 149 | |
| 150 | #define CUE_SETBIT(sc, reg, x) \ |
| 151 | cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) |
| 152 | |
| 153 | #define CUE_CLRBIT(sc, reg, x) \ |
| 154 | cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) |
| 155 | |
| 156 | Static int |
| 157 | cue_csr_read_1(struct cue_softc *sc, int reg) |
| 158 | { |
| 159 | usb_device_request_t req; |
| 160 | usbd_status err; |
| 161 | uint8_t val = 0; |
| 162 | |
| 163 | if (sc->cue_dying) |
| 164 | return 0; |
| 165 | |
| 166 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
| 167 | req.bRequest = CUE_CMD_READREG; |
| 168 | USETW(req.wValue, 0); |
| 169 | USETW(req.wIndex, reg); |
| 170 | USETW(req.wLength, 1); |
| 171 | |
| 172 | err = usbd_do_request(sc->cue_udev, &req, &val); |
| 173 | |
| 174 | if (err) { |
| 175 | DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n" , |
| 176 | device_xname(sc->cue_dev), reg, usbd_errstr(err))); |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n" , |
| 181 | device_xname(sc->cue_dev), reg, val)); |
| 182 | |
| 183 | return val; |
| 184 | } |
| 185 | |
| 186 | Static int |
| 187 | cue_csr_read_2(struct cue_softc *sc, int reg) |
| 188 | { |
| 189 | usb_device_request_t req; |
| 190 | usbd_status err; |
| 191 | uWord val; |
| 192 | |
| 193 | if (sc->cue_dying) |
| 194 | return 0; |
| 195 | |
| 196 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
| 197 | req.bRequest = CUE_CMD_READREG; |
| 198 | USETW(req.wValue, 0); |
| 199 | USETW(req.wIndex, reg); |
| 200 | USETW(req.wLength, 2); |
| 201 | |
| 202 | err = usbd_do_request(sc->cue_udev, &req, &val); |
| 203 | |
| 204 | DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n" , |
| 205 | device_xname(sc->cue_dev), reg, UGETW(val))); |
| 206 | |
| 207 | if (err) { |
| 208 | DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n" , |
| 209 | device_xname(sc->cue_dev), reg, usbd_errstr(err))); |
| 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | return UGETW(val); |
| 214 | } |
| 215 | |
| 216 | Static int |
| 217 | cue_csr_write_1(struct cue_softc *sc, int reg, int val) |
| 218 | { |
| 219 | usb_device_request_t req; |
| 220 | usbd_status err; |
| 221 | |
| 222 | if (sc->cue_dying) |
| 223 | return 0; |
| 224 | |
| 225 | DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n" , |
| 226 | device_xname(sc->cue_dev), reg, val)); |
| 227 | |
| 228 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 229 | req.bRequest = CUE_CMD_WRITEREG; |
| 230 | USETW(req.wValue, val); |
| 231 | USETW(req.wIndex, reg); |
| 232 | USETW(req.wLength, 0); |
| 233 | |
| 234 | err = usbd_do_request(sc->cue_udev, &req, NULL); |
| 235 | |
| 236 | if (err) { |
| 237 | DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n" , |
| 238 | device_xname(sc->cue_dev), reg, usbd_errstr(err))); |
| 239 | return -1; |
| 240 | } |
| 241 | |
| 242 | DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n" , |
| 243 | device_xname(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); |
| 244 | |
| 245 | return 0; |
| 246 | } |
| 247 | |
| 248 | #if 0 |
| 249 | Static int |
| 250 | cue_csr_write_2(struct cue_softc *sc, int reg, int aval) |
| 251 | { |
| 252 | usb_device_request_t req; |
| 253 | usbd_status err; |
| 254 | uWord val; |
| 255 | int s; |
| 256 | |
| 257 | if (sc->cue_dying) |
| 258 | return 0; |
| 259 | |
| 260 | DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n" , |
| 261 | device_xname(sc->cue_dev), reg, aval)); |
| 262 | |
| 263 | USETW(val, aval); |
| 264 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 265 | req.bRequest = CUE_CMD_WRITEREG; |
| 266 | USETW(req.wValue, val); |
| 267 | USETW(req.wIndex, reg); |
| 268 | USETW(req.wLength, 0); |
| 269 | |
| 270 | err = usbd_do_request(sc->cue_udev, &req, NULL); |
| 271 | |
| 272 | if (err) { |
| 273 | DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n" , |
| 274 | device_xname(sc->cue_dev), reg, usbd_errstr(err))); |
| 275 | return -1; |
| 276 | } |
| 277 | |
| 278 | return 0; |
| 279 | } |
| 280 | #endif |
| 281 | |
| 282 | Static int |
| 283 | cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len) |
| 284 | { |
| 285 | usb_device_request_t req; |
| 286 | usbd_status err; |
| 287 | |
| 288 | DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n" , |
| 289 | device_xname(sc->cue_dev), cmd, addr, len)); |
| 290 | |
| 291 | if (cmd == CUE_CMD_READSRAM) |
| 292 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
| 293 | else |
| 294 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 295 | req.bRequest = cmd; |
| 296 | USETW(req.wValue, 0); |
| 297 | USETW(req.wIndex, addr); |
| 298 | USETW(req.wLength, len); |
| 299 | |
| 300 | err = usbd_do_request(sc->cue_udev, &req, buf); |
| 301 | |
| 302 | if (err) { |
| 303 | DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n" , |
| 304 | device_xname(sc->cue_dev), addr, usbd_errstr(err))); |
| 305 | return -1; |
| 306 | } |
| 307 | |
| 308 | return 0; |
| 309 | } |
| 310 | |
| 311 | Static int |
| 312 | cue_getmac(struct cue_softc *sc, void *buf) |
| 313 | { |
| 314 | usb_device_request_t req; |
| 315 | usbd_status err; |
| 316 | |
| 317 | DPRINTFN(10,("%s: cue_getmac\n" , device_xname(sc->cue_dev))); |
| 318 | |
| 319 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
| 320 | req.bRequest = CUE_CMD_GET_MACADDR; |
| 321 | USETW(req.wValue, 0); |
| 322 | USETW(req.wIndex, 0); |
| 323 | USETW(req.wLength, ETHER_ADDR_LEN); |
| 324 | |
| 325 | err = usbd_do_request(sc->cue_udev, &req, buf); |
| 326 | |
| 327 | if (err) { |
| 328 | printf("%s: read MAC address failed\n" , |
| 329 | device_xname(sc->cue_dev)); |
| 330 | return -1; |
| 331 | } |
| 332 | |
| 333 | return 0; |
| 334 | } |
| 335 | |
| 336 | #define CUE_POLY 0xEDB88320 |
| 337 | #define CUE_BITS 9 |
| 338 | |
| 339 | Static uint32_t |
| 340 | cue_crc(const char *addr) |
| 341 | { |
| 342 | uint32_t idx, bit, data, crc; |
| 343 | |
| 344 | /* Compute CRC for the address value. */ |
| 345 | crc = 0xFFFFFFFF; /* initial value */ |
| 346 | |
| 347 | for (idx = 0; idx < 6; idx++) { |
| 348 | for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) |
| 349 | crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); |
| 350 | } |
| 351 | |
| 352 | return crc & ((1 << CUE_BITS) - 1); |
| 353 | } |
| 354 | |
| 355 | Static void |
| 356 | cue_setmulti(struct cue_softc *sc) |
| 357 | { |
| 358 | struct ifnet *ifp; |
| 359 | struct ether_multi *enm; |
| 360 | struct ether_multistep step; |
| 361 | uint32_t h, i; |
| 362 | |
| 363 | ifp = GET_IFP(sc); |
| 364 | |
| 365 | DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n" , |
| 366 | device_xname(sc->cue_dev), ifp->if_flags)); |
| 367 | |
| 368 | if (ifp->if_flags & IFF_PROMISC) { |
| 369 | allmulti: |
| 370 | ifp->if_flags |= IFF_ALLMULTI; |
| 371 | for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) |
| 372 | sc->cue_mctab[i] = 0xFF; |
| 373 | cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, |
| 374 | &sc->cue_mctab, CUE_MCAST_TABLE_LEN); |
| 375 | return; |
| 376 | } |
| 377 | |
| 378 | /* first, zot all the existing hash bits */ |
| 379 | for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) |
| 380 | sc->cue_mctab[i] = 0; |
| 381 | |
| 382 | /* now program new ones */ |
| 383 | ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); |
| 384 | while (enm != NULL) { |
| 385 | if (memcmp(enm->enm_addrlo, |
| 386 | enm->enm_addrhi, ETHER_ADDR_LEN) != 0) |
| 387 | goto allmulti; |
| 388 | |
| 389 | h = cue_crc(enm->enm_addrlo); |
| 390 | sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); |
| 391 | ETHER_NEXT_MULTI(step, enm); |
| 392 | } |
| 393 | |
| 394 | ifp->if_flags &= ~IFF_ALLMULTI; |
| 395 | |
| 396 | /* |
| 397 | * Also include the broadcast address in the filter |
| 398 | * so we can receive broadcast frames. |
| 399 | */ |
| 400 | if (ifp->if_flags & IFF_BROADCAST) { |
| 401 | h = cue_crc(etherbroadcastaddr); |
| 402 | sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); |
| 403 | } |
| 404 | |
| 405 | cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, |
| 406 | &sc->cue_mctab, CUE_MCAST_TABLE_LEN); |
| 407 | } |
| 408 | |
| 409 | Static void |
| 410 | cue_reset(struct cue_softc *sc) |
| 411 | { |
| 412 | usb_device_request_t req; |
| 413 | usbd_status err; |
| 414 | |
| 415 | DPRINTFN(2,("%s: cue_reset\n" , device_xname(sc->cue_dev))); |
| 416 | |
| 417 | if (sc->cue_dying) |
| 418 | return; |
| 419 | |
| 420 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 421 | req.bRequest = CUE_CMD_RESET; |
| 422 | USETW(req.wValue, 0); |
| 423 | USETW(req.wIndex, 0); |
| 424 | USETW(req.wLength, 0); |
| 425 | |
| 426 | err = usbd_do_request(sc->cue_udev, &req, NULL); |
| 427 | |
| 428 | if (err) |
| 429 | printf("%s: reset failed\n" , device_xname(sc->cue_dev)); |
| 430 | |
| 431 | /* Wait a little while for the chip to get its brains in order. */ |
| 432 | usbd_delay_ms(sc->cue_udev, 1); |
| 433 | } |
| 434 | |
| 435 | /* |
| 436 | * Probe for a CATC chip. |
| 437 | */ |
| 438 | int |
| 439 | cue_match(device_t parent, cfdata_t match, void *aux) |
| 440 | { |
| 441 | struct usb_attach_arg *uaa = aux; |
| 442 | |
| 443 | return cue_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? |
| 444 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
| 445 | } |
| 446 | |
| 447 | /* |
| 448 | * Attach the interface. Allocate softc structures, do ifmedia |
| 449 | * setup and ethernet/BPF attach. |
| 450 | */ |
| 451 | void |
| 452 | cue_attach(device_t parent, device_t self, void *aux) |
| 453 | { |
| 454 | struct cue_softc *sc = device_private(self); |
| 455 | struct usb_attach_arg *uaa = aux; |
| 456 | char *devinfop; |
| 457 | int s; |
| 458 | u_char eaddr[ETHER_ADDR_LEN]; |
| 459 | struct usbd_device * dev = uaa->uaa_device; |
| 460 | struct usbd_interface * iface; |
| 461 | usbd_status err; |
| 462 | struct ifnet *ifp; |
| 463 | usb_interface_descriptor_t *id; |
| 464 | usb_endpoint_descriptor_t *ed; |
| 465 | int i; |
| 466 | |
| 467 | DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p" , sc, dev)); |
| 468 | |
| 469 | sc->cue_dev = self; |
| 470 | |
| 471 | aprint_naive("\n" ); |
| 472 | aprint_normal("\n" ); |
| 473 | |
| 474 | devinfop = usbd_devinfo_alloc(dev, 0); |
| 475 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 476 | usbd_devinfo_free(devinfop); |
| 477 | |
| 478 | err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); |
| 479 | if (err) { |
| 480 | aprint_error_dev(self, "failed to set configuration" |
| 481 | ", err=%s\n" , usbd_errstr(err)); |
| 482 | return; |
| 483 | } |
| 484 | |
| 485 | sc->cue_udev = dev; |
| 486 | sc->cue_product = uaa->uaa_product; |
| 487 | sc->cue_vendor = uaa->uaa_vendor; |
| 488 | |
| 489 | usb_init_task(&sc->cue_tick_task, cue_tick_task, sc, 0); |
| 490 | usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc, 0); |
| 491 | |
| 492 | err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); |
| 493 | if (err) { |
| 494 | aprint_error_dev(self, "getting interface handle failed\n" ); |
| 495 | return; |
| 496 | } |
| 497 | |
| 498 | sc->cue_iface = iface; |
| 499 | id = usbd_get_interface_descriptor(iface); |
| 500 | |
| 501 | /* Find endpoints. */ |
| 502 | for (i = 0; i < id->bNumEndpoints; i++) { |
| 503 | ed = usbd_interface2endpoint_descriptor(iface, i); |
| 504 | if (ed == NULL) { |
| 505 | aprint_error_dev(self, "couldn't get ep %d\n" , i); |
| 506 | return; |
| 507 | } |
| 508 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 509 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 510 | sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; |
| 511 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && |
| 512 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 513 | sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; |
| 514 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 515 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { |
| 516 | sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | #if 0 |
| 521 | /* Reset the adapter. */ |
| 522 | cue_reset(sc); |
| 523 | #endif |
| 524 | /* |
| 525 | * Get station address. |
| 526 | */ |
| 527 | cue_getmac(sc, &eaddr); |
| 528 | |
| 529 | s = splnet(); |
| 530 | |
| 531 | /* |
| 532 | * A CATC chip was detected. Inform the world. |
| 533 | */ |
| 534 | aprint_normal_dev(self, "Ethernet address %s\n" , ether_sprintf(eaddr)); |
| 535 | |
| 536 | /* Initialize interface info.*/ |
| 537 | ifp = GET_IFP(sc); |
| 538 | ifp->if_softc = sc; |
| 539 | ifp->if_mtu = ETHERMTU; |
| 540 | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; |
| 541 | ifp->if_ioctl = cue_ioctl; |
| 542 | ifp->if_start = cue_start; |
| 543 | ifp->if_watchdog = cue_watchdog; |
| 544 | strncpy(ifp->if_xname, device_xname(sc->cue_dev), IFNAMSIZ); |
| 545 | |
| 546 | IFQ_SET_READY(&ifp->if_snd); |
| 547 | |
| 548 | /* Attach the interface. */ |
| 549 | if_attach(ifp); |
| 550 | ether_ifattach(ifp, eaddr); |
| 551 | rnd_attach_source(&sc->rnd_source, device_xname(sc->cue_dev), |
| 552 | RND_TYPE_NET, RND_FLAG_DEFAULT); |
| 553 | |
| 554 | callout_init(&(sc->cue_stat_ch), 0); |
| 555 | |
| 556 | sc->cue_attached = 1; |
| 557 | splx(s); |
| 558 | |
| 559 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, sc->cue_dev); |
| 560 | |
| 561 | return; |
| 562 | } |
| 563 | |
| 564 | int |
| 565 | cue_detach(device_t self, int flags) |
| 566 | { |
| 567 | struct cue_softc *sc = device_private(self); |
| 568 | struct ifnet *ifp = GET_IFP(sc); |
| 569 | int s; |
| 570 | |
| 571 | DPRINTFN(2,("%s: %s: enter\n" , device_xname(sc->cue_dev), __func__)); |
| 572 | |
| 573 | callout_stop(&sc->cue_stat_ch); |
| 574 | /* |
| 575 | * Remove any pending task. It cannot be executing because it run |
| 576 | * in the same thread as detach. |
| 577 | */ |
| 578 | usb_rem_task(sc->cue_udev, &sc->cue_tick_task); |
| 579 | usb_rem_task(sc->cue_udev, &sc->cue_stop_task); |
| 580 | |
| 581 | if (!sc->cue_attached) { |
| 582 | /* Detached before attached finished, so just bail out. */ |
| 583 | return 0; |
| 584 | } |
| 585 | |
| 586 | s = splusb(); |
| 587 | |
| 588 | if (ifp->if_flags & IFF_RUNNING) |
| 589 | cue_stop(sc); |
| 590 | |
| 591 | rnd_detach_source(&sc->rnd_source); |
| 592 | ether_ifdetach(ifp); |
| 593 | |
| 594 | if_detach(ifp); |
| 595 | |
| 596 | #ifdef DIAGNOSTIC |
| 597 | if (sc->cue_ep[CUE_ENDPT_TX] != NULL || |
| 598 | sc->cue_ep[CUE_ENDPT_RX] != NULL || |
| 599 | sc->cue_ep[CUE_ENDPT_INTR] != NULL) |
| 600 | aprint_debug_dev(self, "detach has active endpoints\n" ); |
| 601 | #endif |
| 602 | |
| 603 | sc->cue_attached = 0; |
| 604 | splx(s); |
| 605 | |
| 606 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, sc->cue_dev); |
| 607 | |
| 608 | return 0; |
| 609 | } |
| 610 | |
| 611 | int |
| 612 | cue_activate(device_t self, enum devact act) |
| 613 | { |
| 614 | struct cue_softc *sc = device_private(self); |
| 615 | |
| 616 | DPRINTFN(2,("%s: %s: enter\n" , device_xname(sc->cue_dev), __func__)); |
| 617 | |
| 618 | switch (act) { |
| 619 | case DVACT_DEACTIVATE: |
| 620 | /* Deactivate the interface. */ |
| 621 | if_deactivate(&sc->cue_ec.ec_if); |
| 622 | sc->cue_dying = 1; |
| 623 | return 0; |
| 624 | default: |
| 625 | return EOPNOTSUPP; |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | /* |
| 630 | * Initialize an RX descriptor and attach an MBUF cluster. |
| 631 | */ |
| 632 | Static int |
| 633 | cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) |
| 634 | { |
| 635 | struct mbuf *m_new = NULL; |
| 636 | |
| 637 | if (m == NULL) { |
| 638 | MGETHDR(m_new, M_DONTWAIT, MT_DATA); |
| 639 | if (m_new == NULL) { |
| 640 | printf("%s: no memory for rx list " |
| 641 | "-- packet dropped!\n" , device_xname(sc->cue_dev)); |
| 642 | return ENOBUFS; |
| 643 | } |
| 644 | |
| 645 | MCLGET(m_new, M_DONTWAIT); |
| 646 | if (!(m_new->m_flags & M_EXT)) { |
| 647 | printf("%s: no memory for rx list " |
| 648 | "-- packet dropped!\n" , device_xname(sc->cue_dev)); |
| 649 | m_freem(m_new); |
| 650 | return ENOBUFS; |
| 651 | } |
| 652 | m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; |
| 653 | } else { |
| 654 | m_new = m; |
| 655 | m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; |
| 656 | m_new->m_data = m_new->m_ext.ext_buf; |
| 657 | } |
| 658 | |
| 659 | m_adj(m_new, ETHER_ALIGN); |
| 660 | c->cue_mbuf = m_new; |
| 661 | |
| 662 | return 0; |
| 663 | } |
| 664 | |
| 665 | Static int |
| 666 | cue_rx_list_init(struct cue_softc *sc) |
| 667 | { |
| 668 | struct cue_cdata *cd; |
| 669 | struct cue_chain *c; |
| 670 | int i; |
| 671 | |
| 672 | cd = &sc->cue_cdata; |
| 673 | for (i = 0; i < CUE_RX_LIST_CNT; i++) { |
| 674 | c = &cd->cue_rx_chain[i]; |
| 675 | c->cue_sc = sc; |
| 676 | c->cue_idx = i; |
| 677 | if (cue_newbuf(sc, c, NULL) == ENOBUFS) |
| 678 | return ENOBUFS; |
| 679 | if (c->cue_xfer == NULL) { |
| 680 | int error = usbd_create_xfer(sc->cue_ep[CUE_ENDPT_RX], |
| 681 | CUE_BUFSZ, USBD_SHORT_XFER_OK, 0, &c->cue_xfer); |
| 682 | if (error) |
| 683 | return error; |
| 684 | c->cue_buf = usbd_get_buffer(c->cue_xfer); |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | return 0; |
| 689 | } |
| 690 | |
| 691 | Static int |
| 692 | cue_tx_list_init(struct cue_softc *sc) |
| 693 | { |
| 694 | struct cue_cdata *cd; |
| 695 | struct cue_chain *c; |
| 696 | int i; |
| 697 | |
| 698 | cd = &sc->cue_cdata; |
| 699 | for (i = 0; i < CUE_TX_LIST_CNT; i++) { |
| 700 | c = &cd->cue_tx_chain[i]; |
| 701 | c->cue_sc = sc; |
| 702 | c->cue_idx = i; |
| 703 | c->cue_mbuf = NULL; |
| 704 | if (c->cue_xfer == NULL) { |
| 705 | int error = usbd_create_xfer(sc->cue_ep[CUE_ENDPT_TX], |
| 706 | CUE_BUFSZ, 0, 0, &c->cue_xfer); |
| 707 | if (error) |
| 708 | return error; |
| 709 | c->cue_buf = usbd_get_buffer(c->cue_xfer); |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | return 0; |
| 714 | } |
| 715 | |
| 716 | /* |
| 717 | * A frame has been uploaded: pass the resulting mbuf chain up to |
| 718 | * the higher level protocols. |
| 719 | */ |
| 720 | Static void |
| 721 | cue_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) |
| 722 | { |
| 723 | struct cue_chain *c = priv; |
| 724 | struct cue_softc *sc = c->cue_sc; |
| 725 | struct ifnet *ifp = GET_IFP(sc); |
| 726 | struct mbuf *m; |
| 727 | int total_len = 0; |
| 728 | uint16_t len; |
| 729 | int s; |
| 730 | |
| 731 | DPRINTFN(10,("%s: %s: enter status=%d\n" , device_xname(sc->cue_dev), |
| 732 | __func__, status)); |
| 733 | |
| 734 | if (sc->cue_dying) |
| 735 | return; |
| 736 | |
| 737 | if (!(ifp->if_flags & IFF_RUNNING)) |
| 738 | return; |
| 739 | |
| 740 | if (status != USBD_NORMAL_COMPLETION) { |
| 741 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) |
| 742 | return; |
| 743 | sc->cue_rx_errs++; |
| 744 | if (usbd_ratecheck(&sc->cue_rx_notice)) { |
| 745 | printf("%s: %u usb errors on rx: %s\n" , |
| 746 | device_xname(sc->cue_dev), sc->cue_rx_errs, |
| 747 | usbd_errstr(status)); |
| 748 | sc->cue_rx_errs = 0; |
| 749 | } |
| 750 | if (status == USBD_STALLED) |
| 751 | usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); |
| 752 | goto done; |
| 753 | } |
| 754 | |
| 755 | usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); |
| 756 | |
| 757 | memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); |
| 758 | |
| 759 | m = c->cue_mbuf; |
| 760 | len = UGETW(mtod(m, uint8_t *)); |
| 761 | |
| 762 | /* No errors; receive the packet. */ |
| 763 | total_len = len; |
| 764 | |
| 765 | if (len < sizeof(struct ether_header)) { |
| 766 | ifp->if_ierrors++; |
| 767 | goto done; |
| 768 | } |
| 769 | |
| 770 | ifp->if_ipackets++; |
| 771 | m_adj(m, sizeof(uint16_t)); |
| 772 | m->m_pkthdr.len = m->m_len = total_len; |
| 773 | |
| 774 | m_set_rcvif(m, ifp); |
| 775 | |
| 776 | s = splnet(); |
| 777 | |
| 778 | /* XXX ugly */ |
| 779 | if (cue_newbuf(sc, c, NULL) == ENOBUFS) { |
| 780 | ifp->if_ierrors++; |
| 781 | goto done1; |
| 782 | } |
| 783 | |
| 784 | /* |
| 785 | * Handle BPF listeners. Let the BPF user see the packet, but |
| 786 | * don't pass it up to the ether_input() layer unless it's |
| 787 | * a broadcast packet, multicast packet, matches our ethernet |
| 788 | * address or the interface is in promiscuous mode. |
| 789 | */ |
| 790 | bpf_mtap(ifp, m); |
| 791 | |
| 792 | DPRINTFN(10,("%s: %s: deliver %d\n" , device_xname(sc->cue_dev), |
| 793 | __func__, m->m_len)); |
| 794 | if_percpuq_enqueue(ifp->if_percpuq, m); |
| 795 | done1: |
| 796 | splx(s); |
| 797 | |
| 798 | done: |
| 799 | |
| 800 | /* Setup new transfer. */ |
| 801 | usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, CUE_BUFSZ, |
| 802 | USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof); |
| 803 | usbd_transfer(c->cue_xfer); |
| 804 | |
| 805 | DPRINTFN(10,("%s: %s: start rx\n" , device_xname(sc->cue_dev), |
| 806 | __func__)); |
| 807 | } |
| 808 | |
| 809 | /* |
| 810 | * A frame was downloaded to the chip. It's safe for us to clean up |
| 811 | * the list buffers. |
| 812 | */ |
| 813 | Static void |
| 814 | cue_txeof(struct usbd_xfer *xfer, void *priv, |
| 815 | usbd_status status) |
| 816 | { |
| 817 | struct cue_chain *c = priv; |
| 818 | struct cue_softc *sc = c->cue_sc; |
| 819 | struct ifnet *ifp = GET_IFP(sc); |
| 820 | int s; |
| 821 | |
| 822 | if (sc->cue_dying) |
| 823 | return; |
| 824 | |
| 825 | s = splnet(); |
| 826 | |
| 827 | DPRINTFN(10,("%s: %s: enter status=%d\n" , device_xname(sc->cue_dev), |
| 828 | __func__, status)); |
| 829 | |
| 830 | ifp->if_timer = 0; |
| 831 | ifp->if_flags &= ~IFF_OACTIVE; |
| 832 | |
| 833 | if (status != USBD_NORMAL_COMPLETION) { |
| 834 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { |
| 835 | splx(s); |
| 836 | return; |
| 837 | } |
| 838 | ifp->if_oerrors++; |
| 839 | printf("%s: usb error on tx: %s\n" , device_xname(sc->cue_dev), |
| 840 | usbd_errstr(status)); |
| 841 | if (status == USBD_STALLED) |
| 842 | usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); |
| 843 | splx(s); |
| 844 | return; |
| 845 | } |
| 846 | |
| 847 | ifp->if_opackets++; |
| 848 | |
| 849 | m_freem(c->cue_mbuf); |
| 850 | c->cue_mbuf = NULL; |
| 851 | |
| 852 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
| 853 | cue_start(ifp); |
| 854 | |
| 855 | splx(s); |
| 856 | } |
| 857 | |
| 858 | Static void |
| 859 | cue_tick(void *xsc) |
| 860 | { |
| 861 | struct cue_softc *sc = xsc; |
| 862 | |
| 863 | if (sc == NULL) |
| 864 | return; |
| 865 | |
| 866 | if (sc->cue_dying) |
| 867 | return; |
| 868 | |
| 869 | DPRINTFN(2,("%s: %s: enter\n" , device_xname(sc->cue_dev), __func__)); |
| 870 | |
| 871 | /* Perform statistics update in process context. */ |
| 872 | usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); |
| 873 | } |
| 874 | |
| 875 | Static void |
| 876 | cue_tick_task(void *xsc) |
| 877 | { |
| 878 | struct cue_softc *sc = xsc; |
| 879 | struct ifnet *ifp; |
| 880 | |
| 881 | if (sc->cue_dying) |
| 882 | return; |
| 883 | |
| 884 | DPRINTFN(2,("%s: %s: enter\n" , device_xname(sc->cue_dev), __func__)); |
| 885 | |
| 886 | ifp = GET_IFP(sc); |
| 887 | |
| 888 | ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); |
| 889 | ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); |
| 890 | ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); |
| 891 | |
| 892 | if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) |
| 893 | ifp->if_ierrors++; |
| 894 | } |
| 895 | |
| 896 | Static int |
| 897 | cue_send(struct cue_softc *sc, struct mbuf *m, int idx) |
| 898 | { |
| 899 | int total_len; |
| 900 | struct cue_chain *c; |
| 901 | usbd_status err; |
| 902 | |
| 903 | c = &sc->cue_cdata.cue_tx_chain[idx]; |
| 904 | |
| 905 | /* |
| 906 | * Copy the mbuf data into a contiguous buffer, leaving two |
| 907 | * bytes at the beginning to hold the frame length. |
| 908 | */ |
| 909 | m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); |
| 910 | c->cue_mbuf = m; |
| 911 | |
| 912 | total_len = m->m_pkthdr.len + 2; |
| 913 | |
| 914 | DPRINTFN(10,("%s: %s: total_len=%d\n" , |
| 915 | device_xname(sc->cue_dev), __func__, total_len)); |
| 916 | |
| 917 | /* The first two bytes are the frame length */ |
| 918 | c->cue_buf[0] = (uint8_t)m->m_pkthdr.len; |
| 919 | c->cue_buf[1] = (uint8_t)(m->m_pkthdr.len >> 8); |
| 920 | |
| 921 | /* XXX 10000 */ |
| 922 | usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, total_len, 0, 10000, |
| 923 | cue_txeof); |
| 924 | |
| 925 | /* Transmit */ |
| 926 | err = usbd_transfer(c->cue_xfer); |
| 927 | if (err != USBD_IN_PROGRESS) { |
| 928 | printf("%s: cue_send error=%s\n" , device_xname(sc->cue_dev), |
| 929 | usbd_errstr(err)); |
| 930 | /* Stop the interface from process context. */ |
| 931 | usb_add_task(sc->cue_udev, &sc->cue_stop_task, |
| 932 | USB_TASKQ_DRIVER); |
| 933 | return EIO; |
| 934 | } |
| 935 | |
| 936 | sc->cue_cdata.cue_tx_cnt++; |
| 937 | |
| 938 | return 0; |
| 939 | } |
| 940 | |
| 941 | Static void |
| 942 | cue_start(struct ifnet *ifp) |
| 943 | { |
| 944 | struct cue_softc *sc = ifp->if_softc; |
| 945 | struct mbuf *m_head = NULL; |
| 946 | |
| 947 | if (sc->cue_dying) |
| 948 | return; |
| 949 | |
| 950 | DPRINTFN(10,("%s: %s: enter\n" , device_xname(sc->cue_dev),__func__)); |
| 951 | |
| 952 | if (ifp->if_flags & IFF_OACTIVE) |
| 953 | return; |
| 954 | |
| 955 | IFQ_POLL(&ifp->if_snd, m_head); |
| 956 | if (m_head == NULL) |
| 957 | return; |
| 958 | |
| 959 | if (cue_send(sc, m_head, 0)) { |
| 960 | ifp->if_flags |= IFF_OACTIVE; |
| 961 | return; |
| 962 | } |
| 963 | |
| 964 | IFQ_DEQUEUE(&ifp->if_snd, m_head); |
| 965 | |
| 966 | /* |
| 967 | * If there's a BPF listener, bounce a copy of this frame |
| 968 | * to him. |
| 969 | */ |
| 970 | bpf_mtap(ifp, m_head); |
| 971 | |
| 972 | ifp->if_flags |= IFF_OACTIVE; |
| 973 | |
| 974 | /* |
| 975 | * Set a timeout in case the chip goes out to lunch. |
| 976 | */ |
| 977 | ifp->if_timer = 5; |
| 978 | } |
| 979 | |
| 980 | Static void |
| 981 | cue_init(void *xsc) |
| 982 | { |
| 983 | struct cue_softc *sc = xsc; |
| 984 | struct ifnet *ifp = GET_IFP(sc); |
| 985 | int i, s, ctl; |
| 986 | const u_char *eaddr; |
| 987 | |
| 988 | if (sc->cue_dying) |
| 989 | return; |
| 990 | |
| 991 | DPRINTFN(10,("%s: %s: enter\n" , device_xname(sc->cue_dev),__func__)); |
| 992 | |
| 993 | if (ifp->if_flags & IFF_RUNNING) |
| 994 | return; |
| 995 | |
| 996 | s = splnet(); |
| 997 | |
| 998 | /* |
| 999 | * Cancel pending I/O and free all RX/TX buffers. |
| 1000 | */ |
| 1001 | #if 1 |
| 1002 | cue_reset(sc); |
| 1003 | #endif |
| 1004 | |
| 1005 | /* Set advanced operation modes. */ |
| 1006 | cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, |
| 1007 | CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ |
| 1008 | |
| 1009 | eaddr = CLLADDR(ifp->if_sadl); |
| 1010 | /* Set MAC address */ |
| 1011 | for (i = 0; i < ETHER_ADDR_LEN; i++) |
| 1012 | cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); |
| 1013 | |
| 1014 | /* Enable RX logic. */ |
| 1015 | ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; |
| 1016 | if (ifp->if_flags & IFF_PROMISC) |
| 1017 | ctl |= CUE_ETHCTL_PROMISC; |
| 1018 | cue_csr_write_1(sc, CUE_ETHCTL, ctl); |
| 1019 | |
| 1020 | /* Load the multicast filter. */ |
| 1021 | cue_setmulti(sc); |
| 1022 | |
| 1023 | /* |
| 1024 | * Set the number of RX and TX buffers that we want |
| 1025 | * to reserve inside the ASIC. |
| 1026 | */ |
| 1027 | cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); |
| 1028 | cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); |
| 1029 | |
| 1030 | /* Set advanced operation modes. */ |
| 1031 | cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, |
| 1032 | CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ |
| 1033 | |
| 1034 | /* Program the LED operation. */ |
| 1035 | cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); |
| 1036 | |
| 1037 | if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { |
| 1038 | if (cue_open_pipes(sc)) { |
| 1039 | splx(s); |
| 1040 | return; |
| 1041 | } |
| 1042 | } |
| 1043 | /* Init TX ring. */ |
| 1044 | if (cue_tx_list_init(sc)) { |
| 1045 | printf("%s: tx list init failed\n" , device_xname(sc->cue_dev)); |
| 1046 | splx(s); |
| 1047 | return; |
| 1048 | } |
| 1049 | |
| 1050 | /* Init RX ring. */ |
| 1051 | if (cue_rx_list_init(sc)) { |
| 1052 | printf("%s: rx list init failed\n" , device_xname(sc->cue_dev)); |
| 1053 | splx(s); |
| 1054 | return; |
| 1055 | } |
| 1056 | |
| 1057 | |
| 1058 | ifp->if_flags |= IFF_RUNNING; |
| 1059 | ifp->if_flags &= ~IFF_OACTIVE; |
| 1060 | |
| 1061 | splx(s); |
| 1062 | |
| 1063 | callout_reset(&(sc->cue_stat_ch), (hz), (cue_tick), (sc)); |
| 1064 | } |
| 1065 | |
| 1066 | Static int |
| 1067 | cue_open_pipes(struct cue_softc *sc) |
| 1068 | { |
| 1069 | struct cue_chain *c; |
| 1070 | usbd_status err; |
| 1071 | int i; |
| 1072 | |
| 1073 | /* Open RX and TX pipes. */ |
| 1074 | err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], |
| 1075 | USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); |
| 1076 | if (err) { |
| 1077 | printf("%s: open rx pipe failed: %s\n" , |
| 1078 | device_xname(sc->cue_dev), usbd_errstr(err)); |
| 1079 | return EIO; |
| 1080 | } |
| 1081 | err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], |
| 1082 | USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); |
| 1083 | if (err) { |
| 1084 | printf("%s: open tx pipe failed: %s\n" , |
| 1085 | device_xname(sc->cue_dev), usbd_errstr(err)); |
| 1086 | return EIO; |
| 1087 | } |
| 1088 | |
| 1089 | /* Start up the receive pipe. */ |
| 1090 | for (i = 0; i < CUE_RX_LIST_CNT; i++) { |
| 1091 | c = &sc->cue_cdata.cue_rx_chain[i]; |
| 1092 | |
| 1093 | usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, CUE_BUFSZ, |
| 1094 | USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof); |
| 1095 | usbd_transfer(c->cue_xfer); |
| 1096 | } |
| 1097 | |
| 1098 | return 0; |
| 1099 | } |
| 1100 | |
| 1101 | Static int |
| 1102 | cue_ioctl(struct ifnet *ifp, u_long command, void *data) |
| 1103 | { |
| 1104 | struct cue_softc *sc = ifp->if_softc; |
| 1105 | struct ifaddr *ifa = (struct ifaddr *)data; |
| 1106 | struct ifreq *ifr = (struct ifreq *)data; |
| 1107 | int s, error = 0; |
| 1108 | |
| 1109 | if (sc->cue_dying) |
| 1110 | return EIO; |
| 1111 | |
| 1112 | s = splnet(); |
| 1113 | |
| 1114 | switch(command) { |
| 1115 | case SIOCINITIFADDR: |
| 1116 | ifp->if_flags |= IFF_UP; |
| 1117 | cue_init(sc); |
| 1118 | |
| 1119 | switch (ifa->ifa_addr->sa_family) { |
| 1120 | #ifdef INET |
| 1121 | case AF_INET: |
| 1122 | arp_ifinit(ifp, ifa); |
| 1123 | break; |
| 1124 | #endif /* INET */ |
| 1125 | } |
| 1126 | break; |
| 1127 | |
| 1128 | case SIOCSIFMTU: |
| 1129 | if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > ETHERMTU) |
| 1130 | error = EINVAL; |
| 1131 | else if ((error = ifioctl_common(ifp, command, data)) == ENETRESET) |
| 1132 | error = 0; |
| 1133 | break; |
| 1134 | |
| 1135 | case SIOCSIFFLAGS: |
| 1136 | if ((error = ifioctl_common(ifp, command, data)) != 0) |
| 1137 | break; |
| 1138 | if (ifp->if_flags & IFF_UP) { |
| 1139 | if (ifp->if_flags & IFF_RUNNING && |
| 1140 | ifp->if_flags & IFF_PROMISC && |
| 1141 | !(sc->cue_if_flags & IFF_PROMISC)) { |
| 1142 | CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); |
| 1143 | cue_setmulti(sc); |
| 1144 | } else if (ifp->if_flags & IFF_RUNNING && |
| 1145 | !(ifp->if_flags & IFF_PROMISC) && |
| 1146 | sc->cue_if_flags & IFF_PROMISC) { |
| 1147 | CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); |
| 1148 | cue_setmulti(sc); |
| 1149 | } else if (!(ifp->if_flags & IFF_RUNNING)) |
| 1150 | cue_init(sc); |
| 1151 | } else { |
| 1152 | if (ifp->if_flags & IFF_RUNNING) |
| 1153 | cue_stop(sc); |
| 1154 | } |
| 1155 | sc->cue_if_flags = ifp->if_flags; |
| 1156 | error = 0; |
| 1157 | break; |
| 1158 | case SIOCADDMULTI: |
| 1159 | case SIOCDELMULTI: |
| 1160 | cue_setmulti(sc); |
| 1161 | error = 0; |
| 1162 | break; |
| 1163 | default: |
| 1164 | error = ether_ioctl(ifp, command, data); |
| 1165 | break; |
| 1166 | } |
| 1167 | |
| 1168 | splx(s); |
| 1169 | |
| 1170 | return error; |
| 1171 | } |
| 1172 | |
| 1173 | Static void |
| 1174 | cue_watchdog(struct ifnet *ifp) |
| 1175 | { |
| 1176 | struct cue_softc *sc = ifp->if_softc; |
| 1177 | struct cue_chain *c; |
| 1178 | usbd_status stat; |
| 1179 | int s; |
| 1180 | |
| 1181 | DPRINTFN(5,("%s: %s: enter\n" , device_xname(sc->cue_dev), __func__)); |
| 1182 | |
| 1183 | if (sc->cue_dying) |
| 1184 | return; |
| 1185 | |
| 1186 | ifp->if_oerrors++; |
| 1187 | printf("%s: watchdog timeout\n" , device_xname(sc->cue_dev)); |
| 1188 | |
| 1189 | s = splusb(); |
| 1190 | c = &sc->cue_cdata.cue_tx_chain[0]; |
| 1191 | usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); |
| 1192 | cue_txeof(c->cue_xfer, c, stat); |
| 1193 | |
| 1194 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
| 1195 | cue_start(ifp); |
| 1196 | splx(s); |
| 1197 | } |
| 1198 | |
| 1199 | /* |
| 1200 | * Stop the adapter and free any mbufs allocated to the |
| 1201 | * RX and TX lists. |
| 1202 | */ |
| 1203 | Static void |
| 1204 | cue_stop(struct cue_softc *sc) |
| 1205 | { |
| 1206 | usbd_status err; |
| 1207 | struct ifnet *ifp; |
| 1208 | int i; |
| 1209 | |
| 1210 | DPRINTFN(10,("%s: %s: enter\n" , device_xname(sc->cue_dev),__func__)); |
| 1211 | |
| 1212 | ifp = GET_IFP(sc); |
| 1213 | ifp->if_timer = 0; |
| 1214 | |
| 1215 | cue_csr_write_1(sc, CUE_ETHCTL, 0); |
| 1216 | cue_reset(sc); |
| 1217 | callout_stop(&sc->cue_stat_ch); |
| 1218 | |
| 1219 | /* Stop transfers. */ |
| 1220 | if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { |
| 1221 | err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); |
| 1222 | if (err) { |
| 1223 | printf("%s: abort rx pipe failed: %s\n" , |
| 1224 | device_xname(sc->cue_dev), usbd_errstr(err)); |
| 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { |
| 1229 | err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); |
| 1230 | if (err) { |
| 1231 | printf("%s: abort tx pipe failed: %s\n" , |
| 1232 | device_xname(sc->cue_dev), usbd_errstr(err)); |
| 1233 | } |
| 1234 | } |
| 1235 | |
| 1236 | if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { |
| 1237 | err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); |
| 1238 | if (err) { |
| 1239 | printf("%s: abort intr pipe failed: %s\n" , |
| 1240 | device_xname(sc->cue_dev), usbd_errstr(err)); |
| 1241 | } |
| 1242 | } |
| 1243 | |
| 1244 | /* Free RX resources. */ |
| 1245 | for (i = 0; i < CUE_RX_LIST_CNT; i++) { |
| 1246 | if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { |
| 1247 | usbd_destroy_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); |
| 1248 | sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; |
| 1249 | } |
| 1250 | } |
| 1251 | |
| 1252 | /* Free TX resources. */ |
| 1253 | for (i = 0; i < CUE_TX_LIST_CNT; i++) { |
| 1254 | if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { |
| 1255 | m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); |
| 1256 | sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; |
| 1257 | } |
| 1258 | if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { |
| 1259 | usbd_destroy_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); |
| 1260 | sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; |
| 1261 | } |
| 1262 | } |
| 1263 | |
| 1264 | /* Stop transfers. */ |
| 1265 | if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { |
| 1266 | err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); |
| 1267 | if (err) { |
| 1268 | printf("%s: close rx pipe failed: %s\n" , |
| 1269 | device_xname(sc->cue_dev), usbd_errstr(err)); |
| 1270 | } |
| 1271 | sc->cue_ep[CUE_ENDPT_RX] = NULL; |
| 1272 | } |
| 1273 | |
| 1274 | if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { |
| 1275 | err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); |
| 1276 | if (err) { |
| 1277 | printf("%s: close tx pipe failed: %s\n" , |
| 1278 | device_xname(sc->cue_dev), usbd_errstr(err)); |
| 1279 | } |
| 1280 | sc->cue_ep[CUE_ENDPT_TX] = NULL; |
| 1281 | } |
| 1282 | |
| 1283 | if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { |
| 1284 | err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); |
| 1285 | if (err) { |
| 1286 | printf("%s: close intr pipe failed: %s\n" , |
| 1287 | device_xname(sc->cue_dev), usbd_errstr(err)); |
| 1288 | } |
| 1289 | sc->cue_ep[CUE_ENDPT_INTR] = NULL; |
| 1290 | } |
| 1291 | |
| 1292 | ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); |
| 1293 | } |
| 1294 | |