1 | /* $NetBSD: uhso.c,v 1.23 2016/10/31 12:18:10 christos Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2009 Iain Hibbert |
5 | * Copyright (c) 2008 Fredrik Lindberg |
6 | * All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | /* |
30 | * This driver originated as the hso module for FreeBSD written by |
31 | * Fredrik Lindberg[1]. It has been rewritten almost completely for |
32 | * NetBSD, and to support more devices with information extracted from |
33 | * the Linux hso driver provided by Option N.V.[2] |
34 | * |
35 | * [1] http://www.shapeshifter.se/code/hso |
36 | * [2] http://www.pharscape.org/hso.htm |
37 | */ |
38 | |
39 | #include <sys/cdefs.h> |
40 | __KERNEL_RCSID(0, "$NetBSD: uhso.c,v 1.23 2016/10/31 12:18:10 christos Exp $" ); |
41 | |
42 | #ifdef _KERNEL_OPT |
43 | #include "opt_inet.h" |
44 | #endif |
45 | |
46 | #include <sys/param.h> |
47 | #include <sys/conf.h> |
48 | #include <sys/fcntl.h> |
49 | #include <sys/kauth.h> |
50 | #include <sys/kernel.h> |
51 | #include <sys/kmem.h> |
52 | #include <sys/mbuf.h> |
53 | #include <sys/poll.h> |
54 | #include <sys/queue.h> |
55 | #include <sys/socket.h> |
56 | #include <sys/sysctl.h> |
57 | #include <sys/systm.h> |
58 | #include <sys/tty.h> |
59 | #include <sys/vnode.h> |
60 | #include <sys/lwp.h> |
61 | |
62 | #include <net/bpf.h> |
63 | #include <net/if.h> |
64 | #include <net/if_dl.h> |
65 | #include <net/if_types.h> |
66 | #include <net/netisr.h> |
67 | |
68 | #include <netinet/in_systm.h> |
69 | #include <netinet/in_var.h> |
70 | #include <netinet/ip.h> |
71 | |
72 | #include <dev/usb/usb.h> |
73 | #include <dev/usb/usbcdc.h> |
74 | #include <dev/usb/usbdi.h> |
75 | #include <dev/usb/usbdi_util.h> |
76 | #include <dev/usb/umassvar.h> |
77 | |
78 | #include <dev/scsipi/scsi_disk.h> |
79 | |
80 | #include "usbdevs.h" |
81 | |
82 | #undef DPRINTF |
83 | #ifdef UHSO_DEBUG |
84 | /* |
85 | * defined levels |
86 | * 0 warnings only |
87 | * 1 informational |
88 | * 5 really chatty |
89 | */ |
90 | int uhso_debug = 0; |
91 | |
92 | #define DPRINTF(n, ...) do { \ |
93 | if (uhso_debug >= (n)) { \ |
94 | printf("%s: ", __func__); \ |
95 | printf(__VA_ARGS__); \ |
96 | } \ |
97 | } while (/* CONSTCOND */0) |
98 | #else |
99 | #define DPRINTF(...) ((void)0) |
100 | #endif |
101 | |
102 | /* |
103 | * When first attached, the device class will be 0 and the modem |
104 | * will attach as UMASS until a SCSI REZERO_UNIT command is sent, |
105 | * in which case it will detach and reattach with device class set |
106 | * to UDCLASS_VENDOR (0xff) and provide the serial interfaces. |
107 | * |
108 | * If autoswitch is set (the default) this will happen automatically. |
109 | */ |
110 | Static int uhso_autoswitch = 1; |
111 | |
112 | SYSCTL_SETUP(sysctl_hw_uhso_setup, "uhso sysctl setup" ) |
113 | { |
114 | const struct sysctlnode *node = NULL; |
115 | |
116 | sysctl_createv(clog, 0, NULL, &node, |
117 | CTLFLAG_PERMANENT, |
118 | CTLTYPE_NODE, "uhso" , |
119 | NULL, |
120 | NULL, 0, |
121 | NULL, 0, |
122 | CTL_HW, CTL_CREATE, CTL_EOL); |
123 | |
124 | if (node == NULL) |
125 | return; |
126 | |
127 | #ifdef UHSO_DEBUG |
128 | sysctl_createv(clog, 0, &node, NULL, |
129 | CTLFLAG_PERMANENT | CTLFLAG_READWRITE, |
130 | CTLTYPE_INT, "debug" , |
131 | SYSCTL_DESCR("uhso debug level (0, 1, 5)" ), |
132 | NULL, 0, |
133 | &uhso_debug, sizeof(uhso_debug), |
134 | CTL_CREATE, CTL_EOL); |
135 | #endif |
136 | |
137 | sysctl_createv(clog, 0, &node, NULL, |
138 | CTLFLAG_PERMANENT | CTLFLAG_READWRITE, |
139 | CTLTYPE_INT, "autoswitch" , |
140 | SYSCTL_DESCR("automatically switch device into modem mode" ), |
141 | NULL, 0, |
142 | &uhso_autoswitch, sizeof(uhso_autoswitch), |
143 | CTL_CREATE, CTL_EOL); |
144 | } |
145 | |
146 | /* |
147 | * The uhso modems have a number of interfaces providing a variety of |
148 | * IO ports using the bulk endpoints, or multiplexed on the control |
149 | * endpoints. We separate the ports by function and provide each with |
150 | * a predictable index number used to construct the device minor number. |
151 | * |
152 | * The Network port is configured as a network interface rather than |
153 | * a tty as it provides raw IPv4 packets. |
154 | */ |
155 | |
156 | Static const char *uhso_port_name[] = { |
157 | "Control" , |
158 | "Diagnostic" , |
159 | "Diagnostic2" , |
160 | "Application" , |
161 | "Application2" , |
162 | "GPS" , |
163 | "GPS Control" , |
164 | "PC Smartcard" , |
165 | "Modem" , |
166 | "MSD" , /* "Modem Sharing Device" ? */ |
167 | "Voice" , |
168 | "Network" , |
169 | }; |
170 | |
171 | #define UHSO_PORT_CONTROL 0x00 |
172 | #define UHSO_PORT_DIAG 0x01 |
173 | #define UHSO_PORT_DIAG2 0x02 |
174 | #define UHSO_PORT_APP 0x03 |
175 | #define UHSO_PORT_APP2 0x04 |
176 | #define UHSO_PORT_GPS 0x05 |
177 | #define UHSO_PORT_GPS_CONTROL 0x06 |
178 | #define UHSO_PORT_PCSC 0x07 |
179 | #define UHSO_PORT_MODEM 0x08 |
180 | #define UHSO_PORT_MSD 0x09 |
181 | #define UHSO_PORT_VOICE 0x0a |
182 | #define UHSO_PORT_NETWORK 0x0b |
183 | |
184 | #define UHSO_PORT_MAX __arraycount(uhso_port_name) |
185 | |
186 | #define UHSO_IFACE_MUX 0x20 |
187 | #define UHSO_IFACE_BULK 0x40 |
188 | #define UHSO_IFACE_IFNET 0x80 |
189 | |
190 | /* |
191 | * The interface specification can sometimes be deduced from the device |
192 | * type and interface number, or some modems support a vendor specific |
193 | * way to read config info which we can translate to the port index. |
194 | */ |
195 | Static const uint8_t uhso_spec_default[] = { |
196 | UHSO_IFACE_IFNET | UHSO_PORT_NETWORK | UHSO_IFACE_MUX, |
197 | UHSO_IFACE_BULK | UHSO_PORT_DIAG, |
198 | UHSO_IFACE_BULK | UHSO_PORT_MODEM, |
199 | }; |
200 | |
201 | Static const uint8_t uhso_spec_icon321[] = { |
202 | UHSO_IFACE_IFNET | UHSO_PORT_NETWORK | UHSO_IFACE_MUX, |
203 | UHSO_IFACE_BULK | UHSO_PORT_DIAG2, |
204 | UHSO_IFACE_BULK | UHSO_PORT_MODEM, |
205 | UHSO_IFACE_BULK | UHSO_PORT_DIAG, |
206 | }; |
207 | |
208 | Static const uint8_t uhso_spec_config[] = { |
209 | 0, |
210 | UHSO_IFACE_BULK | UHSO_PORT_DIAG, |
211 | UHSO_IFACE_BULK | UHSO_PORT_GPS, |
212 | UHSO_IFACE_BULK | UHSO_PORT_GPS_CONTROL, |
213 | UHSO_IFACE_BULK | UHSO_PORT_APP, |
214 | UHSO_IFACE_BULK | UHSO_PORT_APP2, |
215 | UHSO_IFACE_BULK | UHSO_PORT_CONTROL, |
216 | UHSO_IFACE_IFNET | UHSO_PORT_NETWORK, |
217 | UHSO_IFACE_BULK | UHSO_PORT_MODEM, |
218 | UHSO_IFACE_BULK | UHSO_PORT_MSD, |
219 | UHSO_IFACE_BULK | UHSO_PORT_PCSC, |
220 | UHSO_IFACE_BULK | UHSO_PORT_VOICE, |
221 | }; |
222 | |
223 | struct uhso_dev { |
224 | uint16_t vendor; |
225 | uint16_t product; |
226 | uint16_t type; |
227 | }; |
228 | |
229 | #define UHSOTYPE_DEFAULT 1 |
230 | #define UHSOTYPE_ICON321 2 |
231 | #define UHSOTYPE_CONFIG 3 |
232 | |
233 | Static const struct uhso_dev uhso_devs[] = { |
234 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_MAXHSDPA, UHSOTYPE_DEFAULT }, |
235 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_GSICON72, UHSOTYPE_DEFAULT }, |
236 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_ICON225, UHSOTYPE_DEFAULT }, |
237 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_GEHSUPA, UHSOTYPE_DEFAULT }, |
238 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_GTHSUPA, UHSOTYPE_DEFAULT }, |
239 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_GSHSUPA, UHSOTYPE_DEFAULT }, |
240 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_GE40X1, UHSOTYPE_CONFIG }, |
241 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_GE40X2, UHSOTYPE_CONFIG }, |
242 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_GE40X3, UHSOTYPE_CONFIG }, |
243 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_ICON401, UHSOTYPE_CONFIG }, |
244 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_GTM382, UHSOTYPE_CONFIG }, |
245 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_GE40X4, UHSOTYPE_CONFIG }, |
246 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_GTHSUPAM, UHSOTYPE_CONFIG }, |
247 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_ICONEDGE, UHSOTYPE_DEFAULT }, |
248 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_MODHSXPA, UHSOTYPE_ICON321 }, |
249 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_ICON321, UHSOTYPE_ICON321 }, |
250 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_ICON322, UHSOTYPE_ICON321 }, |
251 | { USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_ICON505, UHSOTYPE_CONFIG }, |
252 | }; |
253 | |
254 | #define uhso_lookup(p, v) ((const struct uhso_dev *)usb_lookup(uhso_devs, (p), (v))) |
255 | |
256 | /* IO buffer sizes */ |
257 | #define UHSO_MUX_WSIZE 64 |
258 | #define UHSO_MUX_RSIZE 1024 |
259 | #define UHSO_BULK_WSIZE 8192 |
260 | #define UHSO_BULK_RSIZE 4096 |
261 | #define UHSO_IFNET_MTU 1500 |
262 | |
263 | /* |
264 | * Each IO port provided by the modem can be mapped to a network |
265 | * interface (when hp_ifp != NULL) or a tty (when hp_tp != NULL) |
266 | * which may be multiplexed and sharing interrupt and control endpoints |
267 | * from an interface, or using the dedicated bulk endpoints. |
268 | */ |
269 | |
270 | struct uhso_port; |
271 | struct uhso_softc; |
272 | |
273 | /* uhso callback functions return errno on failure */ |
274 | typedef int (*uhso_callback)(struct uhso_port *); |
275 | |
276 | struct uhso_port { |
277 | struct uhso_softc *hp_sc; /* master softc */ |
278 | struct tty *hp_tp; /* tty pointer */ |
279 | struct ifnet *hp_ifp; /* ifnet pointer */ |
280 | unsigned int hp_flags; /* see below */ |
281 | int hp_swflags; /* persistent tty flags */ |
282 | int hp_status; /* modem status */ |
283 | |
284 | /* port type specific handlers */ |
285 | uhso_callback hp_abort; /* abort any transfers */ |
286 | uhso_callback hp_detach; /* detach port completely */ |
287 | uhso_callback hp_init; /* init port (first open) */ |
288 | uhso_callback hp_clean; /* clean port (last close) */ |
289 | uhso_callback hp_write; /* write data */ |
290 | usbd_callback hp_write_cb; /* write callback */ |
291 | uhso_callback hp_read; /* read data */ |
292 | usbd_callback hp_read_cb; /* read callback */ |
293 | uhso_callback hp_control; /* set control lines */ |
294 | |
295 | struct usbd_interface *hp_ifh; /* interface handle */ |
296 | unsigned int hp_index; /* usb request index */ |
297 | |
298 | int hp_iaddr; /* interrupt endpoint */ |
299 | struct usbd_pipe *hp_ipipe; /* interrupt pipe */ |
300 | void *hp_ibuf; /* interrupt buffer */ |
301 | size_t hp_isize; /* allocated size */ |
302 | |
303 | int hp_raddr; /* bulk in endpoint */ |
304 | struct usbd_pipe *hp_rpipe; /* bulk in pipe */ |
305 | struct usbd_xfer *hp_rxfer; /* input xfer */ |
306 | void *hp_rbuf; /* input buffer */ |
307 | size_t hp_rlen; /* fill length */ |
308 | size_t hp_rsize; /* allocated size */ |
309 | |
310 | int hp_waddr; /* bulk out endpoint */ |
311 | struct usbd_pipe *hp_wpipe; /* bulk out pipe */ |
312 | struct usbd_xfer *hp_wxfer; /* output xfer */ |
313 | void *hp_wbuf; /* output buffer */ |
314 | size_t hp_wlen; /* fill length */ |
315 | size_t hp_wsize; /* allocated size */ |
316 | |
317 | struct mbuf *hp_mbuf; /* partial packet */ |
318 | }; |
319 | |
320 | /* hp_flags */ |
321 | #define UHSO_PORT_MUXPIPE __BIT(0) /* duplicate ipipe/ibuf references */ |
322 | #define UHSO_PORT_MUXREADY __BIT(1) /* input is ready */ |
323 | #define UHSO_PORT_MUXBUSY __BIT(2) /* read in progress */ |
324 | |
325 | struct uhso_softc { |
326 | device_t sc_dev; /* self */ |
327 | struct usbd_device *sc_udev; |
328 | int sc_refcnt; |
329 | struct uhso_port *sc_port[UHSO_PORT_MAX]; |
330 | }; |
331 | |
332 | #define UHSO_CONFIG_NO 1 |
333 | |
334 | int uhso_match(device_t, cfdata_t, void *); |
335 | void uhso_attach(device_t, device_t, void *); |
336 | int uhso_detach(device_t, int); |
337 | |
338 | extern struct cfdriver uhso_cd; |
339 | |
340 | CFATTACH_DECL_NEW(uhso, sizeof(struct uhso_softc), uhso_match, uhso_attach, |
341 | uhso_detach, NULL); |
342 | |
343 | Static int uhso_switch_mode(struct usbd_device *); |
344 | Static int uhso_get_iface_spec(struct usb_attach_arg *, uint8_t, uint8_t *); |
345 | Static usb_endpoint_descriptor_t *uhso_get_endpoint(struct usbd_interface *, |
346 | int, int); |
347 | |
348 | Static void uhso_mux_attach(struct uhso_softc *, struct usbd_interface *, int); |
349 | Static int uhso_mux_abort(struct uhso_port *); |
350 | Static int uhso_mux_detach(struct uhso_port *); |
351 | Static int uhso_mux_init(struct uhso_port *); |
352 | Static int uhso_mux_clean(struct uhso_port *); |
353 | Static int uhso_mux_write(struct uhso_port *); |
354 | Static int uhso_mux_read(struct uhso_port *); |
355 | Static int uhso_mux_control(struct uhso_port *); |
356 | Static void uhso_mux_intr(struct usbd_xfer *, void *, usbd_status); |
357 | |
358 | Static void uhso_bulk_attach(struct uhso_softc *, struct usbd_interface *, int); |
359 | Static int uhso_bulk_abort(struct uhso_port *); |
360 | Static int uhso_bulk_detach(struct uhso_port *); |
361 | Static int uhso_bulk_init(struct uhso_port *); |
362 | Static int uhso_bulk_clean(struct uhso_port *); |
363 | Static int uhso_bulk_write(struct uhso_port *); |
364 | Static int uhso_bulk_read(struct uhso_port *); |
365 | Static int uhso_bulk_control(struct uhso_port *); |
366 | Static void uhso_bulk_intr(struct usbd_xfer *, void *, usbd_status); |
367 | |
368 | Static void uhso_tty_attach(struct uhso_port *); |
369 | Static void uhso_tty_detach(struct uhso_port *); |
370 | Static void uhso_tty_read_cb(struct usbd_xfer *, void *, usbd_status); |
371 | Static void uhso_tty_write_cb(struct usbd_xfer *, void *, usbd_status); |
372 | |
373 | dev_type_open(uhso_tty_open); |
374 | dev_type_close(uhso_tty_close); |
375 | dev_type_read(uhso_tty_read); |
376 | dev_type_write(uhso_tty_write); |
377 | dev_type_ioctl(uhso_tty_ioctl); |
378 | dev_type_stop(uhso_tty_stop); |
379 | dev_type_tty(uhso_tty_tty); |
380 | dev_type_poll(uhso_tty_poll); |
381 | |
382 | const struct cdevsw uhso_cdevsw = { |
383 | .d_open = uhso_tty_open, |
384 | .d_close = uhso_tty_close, |
385 | .d_read = uhso_tty_read, |
386 | .d_write = uhso_tty_write, |
387 | .d_ioctl = uhso_tty_ioctl, |
388 | .d_stop = uhso_tty_stop, |
389 | .d_tty = uhso_tty_tty, |
390 | .d_poll = uhso_tty_poll, |
391 | .d_mmap = nommap, |
392 | .d_kqfilter = ttykqfilter, |
393 | .d_discard = nodiscard, |
394 | .d_flag = D_TTY |
395 | }; |
396 | |
397 | Static int uhso_tty_init(struct uhso_port *); |
398 | Static void uhso_tty_clean(struct uhso_port *); |
399 | Static int uhso_tty_do_ioctl(struct uhso_port *, u_long, void *, int, struct lwp *); |
400 | Static void uhso_tty_start(struct tty *); |
401 | Static int uhso_tty_param(struct tty *, struct termios *); |
402 | Static int uhso_tty_control(struct uhso_port *, u_long, int); |
403 | |
404 | #define UHSO_UNIT_MASK TTUNIT_MASK |
405 | #define UHSO_PORT_MASK 0x0000f |
406 | #define UHSO_DIALOUT_MASK TTDIALOUT_MASK |
407 | #define UHSO_CALLUNIT_MASK TTCALLUNIT_MASK |
408 | |
409 | #define UHSOUNIT(x) (TTUNIT(x) >> 4) |
410 | #define UHSOPORT(x) (TTUNIT(x) & UHSO_PORT_MASK) |
411 | #define UHSODIALOUT(x) TTDIALOUT(x) |
412 | #define UHSOMINOR(u, p) ((((u) << 4) & UHSO_UNIT_MASK) | ((p) & UHSO_UNIT_MASK)) |
413 | |
414 | Static void uhso_ifnet_attach(struct uhso_softc *, struct usbd_interface *, |
415 | int); |
416 | Static int uhso_ifnet_abort(struct uhso_port *); |
417 | Static int uhso_ifnet_detach(struct uhso_port *); |
418 | Static void uhso_ifnet_read_cb(struct usbd_xfer *, void *, usbd_status); |
419 | Static void uhso_ifnet_input(struct ifnet *, struct mbuf **, uint8_t *, size_t); |
420 | Static void uhso_ifnet_write_cb(struct usbd_xfer *, void *, usbd_status); |
421 | |
422 | Static int uhso_ifnet_ioctl(struct ifnet *, u_long, void *); |
423 | Static int uhso_ifnet_init(struct uhso_port *); |
424 | Static void uhso_ifnet_clean(struct uhso_port *); |
425 | Static void uhso_ifnet_start(struct ifnet *); |
426 | Static int uhso_ifnet_output(struct ifnet *, struct mbuf *, |
427 | const struct sockaddr *, const struct rtentry *); |
428 | |
429 | |
430 | /******************************************************************************* |
431 | * |
432 | * USB autoconfig |
433 | * |
434 | */ |
435 | |
436 | int |
437 | uhso_match(device_t parent, cfdata_t match, void *aux) |
438 | { |
439 | struct usb_attach_arg *uaa = aux; |
440 | |
441 | /* |
442 | * don't claim this device if autoswitch is disabled |
443 | * and it is not in modem mode already |
444 | */ |
445 | if (!uhso_autoswitch && uaa->uaa_class != UDCLASS_VENDOR) |
446 | return UMATCH_NONE; |
447 | |
448 | if (uhso_lookup(uaa->uaa_vendor, uaa->uaa_product)) |
449 | return UMATCH_VENDOR_PRODUCT; |
450 | |
451 | return UMATCH_NONE; |
452 | } |
453 | |
454 | void |
455 | uhso_attach(device_t parent, device_t self, void *aux) |
456 | { |
457 | struct uhso_softc *sc = device_private(self); |
458 | struct usb_attach_arg *uaa = aux; |
459 | struct usbd_interface *ifh; |
460 | char *devinfop; |
461 | uint8_t count, i, spec; |
462 | usbd_status status; |
463 | |
464 | DPRINTF(1, ": sc = %p, self=%p" , sc, self); |
465 | |
466 | sc->sc_dev = self; |
467 | sc->sc_udev = uaa->uaa_device; |
468 | |
469 | aprint_naive("\n" ); |
470 | aprint_normal("\n" ); |
471 | |
472 | devinfop = usbd_devinfo_alloc(uaa->uaa_device, 0); |
473 | aprint_normal_dev(self, "%s\n" , devinfop); |
474 | usbd_devinfo_free(devinfop); |
475 | |
476 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
477 | |
478 | status = usbd_set_config_no(sc->sc_udev, UHSO_CONFIG_NO, 1); |
479 | if (status != USBD_NORMAL_COMPLETION) { |
480 | aprint_error_dev(self, "failed to set configuration" |
481 | ", err=%s\n" , usbd_errstr(status)); |
482 | return; |
483 | } |
484 | |
485 | if (uaa->uaa_class != UDCLASS_VENDOR) { |
486 | aprint_verbose_dev(self, |
487 | "Switching device into modem mode..\n" ); |
488 | if (uhso_switch_mode(uaa->uaa_device) != 0) |
489 | aprint_error_dev(self, "modem switch failed\n" ); |
490 | |
491 | return; |
492 | } |
493 | |
494 | count = 0; |
495 | (void)usbd_interface_count(sc->sc_udev, &count); |
496 | DPRINTF(1, "interface count %d\n" , count); |
497 | |
498 | for (i = 0; i < count; i++) { |
499 | status = usbd_device2interface_handle(sc->sc_udev, i, &ifh); |
500 | if (status != USBD_NORMAL_COMPLETION) { |
501 | aprint_error_dev(self, |
502 | "could not get interface %d: %s\n" , |
503 | i, usbd_errstr(status)); |
504 | |
505 | return; |
506 | } |
507 | |
508 | if (!uhso_get_iface_spec(uaa, i, &spec)) { |
509 | aprint_error_dev(self, |
510 | "could not get interface %d specification\n" , i); |
511 | |
512 | return; |
513 | } |
514 | |
515 | if (ISSET(spec, UHSO_IFACE_MUX)) |
516 | uhso_mux_attach(sc, ifh, UHSOPORT(spec)); |
517 | |
518 | if (ISSET(spec, UHSO_IFACE_BULK)) |
519 | uhso_bulk_attach(sc, ifh, UHSOPORT(spec)); |
520 | |
521 | if (ISSET(spec, UHSO_IFACE_IFNET)) |
522 | uhso_ifnet_attach(sc, ifh, UHSOPORT(spec)); |
523 | } |
524 | |
525 | if (!pmf_device_register(self, NULL, NULL)) |
526 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
527 | } |
528 | |
529 | int |
530 | uhso_detach(device_t self, int flags) |
531 | { |
532 | struct uhso_softc *sc = device_private(self); |
533 | struct uhso_port *hp; |
534 | devmajor_t major; |
535 | devminor_t minor; |
536 | unsigned int i; |
537 | int s; |
538 | |
539 | pmf_device_deregister(self); |
540 | |
541 | for (i = 0; i < UHSO_PORT_MAX; i++) { |
542 | hp = sc->sc_port[i]; |
543 | if (hp != NULL) |
544 | (*hp->hp_abort)(hp); |
545 | } |
546 | |
547 | s = splusb(); |
548 | if (sc->sc_refcnt-- > 0) { |
549 | DPRINTF(1, "waiting for refcnt (%d)..\n" , sc->sc_refcnt); |
550 | usb_detach_waitold(sc->sc_dev); |
551 | } |
552 | splx(s); |
553 | |
554 | /* |
555 | * XXX the tty close routine increases/decreases refcnt causing |
556 | * XXX another usb_detach_wakeupold() does it matter, should these |
557 | * XXX be before the detach_wait? or before the abort? |
558 | */ |
559 | |
560 | /* Nuke the vnodes for any open instances (calls close). */ |
561 | major = cdevsw_lookup_major(&uhso_cdevsw); |
562 | minor = UHSOMINOR(device_unit(sc->sc_dev), 0); |
563 | vdevgone(major, minor, minor + UHSO_PORT_MAX, VCHR); |
564 | minor = UHSOMINOR(device_unit(sc->sc_dev), 0) | UHSO_DIALOUT_MASK; |
565 | vdevgone(major, minor, minor + UHSO_PORT_MAX, VCHR); |
566 | minor = UHSOMINOR(device_unit(sc->sc_dev), 0) | UHSO_CALLUNIT_MASK; |
567 | vdevgone(major, minor, minor + UHSO_PORT_MAX, VCHR); |
568 | |
569 | for (i = 0; i < UHSO_PORT_MAX; i++) { |
570 | hp = sc->sc_port[i]; |
571 | if (hp != NULL) |
572 | (*hp->hp_detach)(hp); |
573 | } |
574 | |
575 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
576 | |
577 | return 0; |
578 | } |
579 | |
580 | /* |
581 | * Send SCSI REZERO_UNIT command to switch device into modem mode |
582 | */ |
583 | Static int |
584 | uhso_switch_mode(struct usbd_device *udev) |
585 | { |
586 | umass_bbb_cbw_t cmd; |
587 | usb_endpoint_descriptor_t *ed; |
588 | struct usbd_interface *ifh; |
589 | struct usbd_pipe *pipe; |
590 | struct usbd_xfer *xfer; |
591 | usbd_status status; |
592 | |
593 | status = usbd_device2interface_handle(udev, 0, &ifh); |
594 | if (status != USBD_NORMAL_COMPLETION) |
595 | return EIO; |
596 | |
597 | ed = uhso_get_endpoint(ifh, UE_BULK, UE_DIR_OUT); |
598 | if (ed == NULL) |
599 | return ENODEV; |
600 | |
601 | status = usbd_open_pipe(ifh, ed->bEndpointAddress, 0, &pipe); |
602 | if (status != USBD_NORMAL_COMPLETION) |
603 | return EIO; |
604 | |
605 | int error = usbd_create_xfer(pipe, sizeof(cmd), 0, 0, &xfer); |
606 | if (error) |
607 | return error; |
608 | |
609 | USETDW(cmd.dCBWSignature, CBWSIGNATURE); |
610 | USETDW(cmd.dCBWTag, 1); |
611 | USETDW(cmd.dCBWDataTransferLength, 0); |
612 | cmd.bCBWFlags = CBWFLAGS_OUT; |
613 | cmd.bCBWLUN = 0; |
614 | cmd.bCDBLength = 6; |
615 | |
616 | memset(&cmd.CBWCDB, 0, CBWCDBLENGTH); |
617 | cmd.CBWCDB[0] = SCSI_REZERO_UNIT; |
618 | |
619 | usbd_setup_xfer(xfer, NULL, &cmd, sizeof(cmd), |
620 | USBD_SYNCHRONOUS, USBD_DEFAULT_TIMEOUT, NULL); |
621 | |
622 | status = usbd_transfer(xfer); |
623 | |
624 | usbd_destroy_xfer(xfer); |
625 | usbd_close_pipe(pipe); |
626 | |
627 | return (status == USBD_NORMAL_COMPLETION ? 0 : EIO); |
628 | } |
629 | |
630 | Static int |
631 | uhso_get_iface_spec(struct usb_attach_arg *uaa, uint8_t ifnum, uint8_t *spec) |
632 | { |
633 | const struct uhso_dev *hd; |
634 | uint8_t config[17]; |
635 | usb_device_request_t req; |
636 | usbd_status status; |
637 | |
638 | hd = uhso_lookup(uaa->uaa_vendor, uaa->uaa_product); |
639 | KASSERT(hd != NULL); |
640 | |
641 | switch (hd->type) { |
642 | case UHSOTYPE_DEFAULT: |
643 | if (ifnum > __arraycount(uhso_spec_default)) |
644 | break; |
645 | |
646 | *spec = uhso_spec_default[ifnum]; |
647 | return 1; |
648 | |
649 | case UHSOTYPE_ICON321: |
650 | if (ifnum > __arraycount(uhso_spec_icon321)) |
651 | break; |
652 | |
653 | *spec = uhso_spec_icon321[ifnum]; |
654 | return 1; |
655 | |
656 | case UHSOTYPE_CONFIG: |
657 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
658 | req.bRequest = 0x86; /* "Config Info" */ |
659 | USETW(req.wValue, 0); |
660 | USETW(req.wIndex, 0); |
661 | USETW(req.wLength, sizeof(config)); |
662 | |
663 | status = usbd_do_request(uaa->uaa_device, &req, config); |
664 | if (status != USBD_NORMAL_COMPLETION) |
665 | break; |
666 | |
667 | if (ifnum > __arraycount(config) |
668 | || config[ifnum] > __arraycount(uhso_spec_config)) |
669 | break; |
670 | |
671 | *spec = uhso_spec_config[config[ifnum]]; |
672 | |
673 | /* |
674 | * Apparently some modems also have a CRC bug that is |
675 | * indicated by ISSET(config[16], __BIT(0)) but we dont |
676 | * handle it at this time. |
677 | */ |
678 | return 1; |
679 | |
680 | default: |
681 | DPRINTF(0, "unknown interface type\n" ); |
682 | break; |
683 | } |
684 | |
685 | return 0; |
686 | } |
687 | |
688 | Static usb_endpoint_descriptor_t * |
689 | uhso_get_endpoint(struct usbd_interface *ifh, int type, int dir) |
690 | { |
691 | usb_endpoint_descriptor_t *ed; |
692 | uint8_t count, i; |
693 | |
694 | count = 0; |
695 | (void)usbd_endpoint_count(ifh, &count); |
696 | |
697 | for (i = 0; i < count; i++) { |
698 | ed = usbd_interface2endpoint_descriptor(ifh, i); |
699 | if (ed != NULL |
700 | && UE_GET_XFERTYPE(ed->bmAttributes) == type |
701 | && UE_GET_DIR(ed->bEndpointAddress) == dir) |
702 | return ed; |
703 | } |
704 | |
705 | return NULL; |
706 | } |
707 | |
708 | |
709 | /****************************************************************************** |
710 | * |
711 | * Multiplexed ports signal with the interrupt endpoint to indicate |
712 | * when data is available for reading, and a separate request is made on |
713 | * the control endpoint to read or write on each port. The offsets in the |
714 | * table below relate to bit numbers in the mux mask, identifying each port. |
715 | */ |
716 | |
717 | Static const int uhso_mux_port[] = { |
718 | UHSO_PORT_CONTROL, |
719 | UHSO_PORT_APP, |
720 | UHSO_PORT_PCSC, |
721 | UHSO_PORT_GPS, |
722 | UHSO_PORT_APP2, |
723 | }; |
724 | |
725 | Static void |
726 | uhso_mux_attach(struct uhso_softc *sc, struct usbd_interface *ifh, int index) |
727 | { |
728 | usbd_desc_iter_t iter; |
729 | const usb_descriptor_t *desc; |
730 | usb_endpoint_descriptor_t *ed; |
731 | struct usbd_pipe *pipe; |
732 | struct uhso_port *hp; |
733 | uint8_t *buf; |
734 | size_t size; |
735 | unsigned int i, mux, flags; |
736 | int addr; |
737 | usbd_status status; |
738 | |
739 | ed = uhso_get_endpoint(ifh, UE_INTERRUPT, UE_DIR_IN); |
740 | if (ed == NULL) { |
741 | aprint_error_dev(sc->sc_dev, "no interrupt endpoint\n" ); |
742 | return; |
743 | } |
744 | addr = ed->bEndpointAddress; |
745 | size = UGETW(ed->wMaxPacketSize); |
746 | |
747 | /* |
748 | * There should be an additional "Class Specific" descriptor on |
749 | * the mux interface containing a single byte with a bitmask of |
750 | * enabled ports. We need to look through the device descriptor |
751 | * to find it and the port index is found from the uhso_mux_port |
752 | * array, above. |
753 | */ |
754 | usb_desc_iter_init(sc->sc_udev, &iter); |
755 | |
756 | /* skip past the current interface descriptor */ |
757 | iter.cur = (const uByte *)usbd_get_interface_descriptor(ifh); |
758 | desc = usb_desc_iter_next(&iter); |
759 | |
760 | for (;;) { |
761 | desc = usb_desc_iter_next(&iter); |
762 | if (desc == NULL |
763 | || desc->bDescriptorType == UDESC_INTERFACE) { |
764 | mux = 0; |
765 | break; /* not found */ |
766 | } |
767 | |
768 | if (desc->bDescriptorType == UDESC_CS_INTERFACE |
769 | && desc->bLength == 3) { |
770 | mux = ((const uint8_t *)desc)[2]; |
771 | break; |
772 | } |
773 | } |
774 | |
775 | DPRINTF(1, "addr=%d, size=%zd, mux=0x%02x\n" , addr, size, mux); |
776 | |
777 | buf = kmem_alloc(size, KM_SLEEP); |
778 | status = usbd_open_pipe_intr(ifh, addr, USBD_SHORT_XFER_OK, &pipe, |
779 | sc, buf, size, uhso_mux_intr, USBD_DEFAULT_INTERVAL); |
780 | |
781 | if (status != USBD_NORMAL_COMPLETION) { |
782 | aprint_error_dev(sc->sc_dev, |
783 | "failed to open interrupt pipe: %s" , usbd_errstr(status)); |
784 | |
785 | kmem_free(buf, size); |
786 | return; |
787 | } |
788 | |
789 | flags = 0; |
790 | for (i = 0; i < __arraycount(uhso_mux_port); i++) { |
791 | if (ISSET(mux, __BIT(i))) { |
792 | if (sc->sc_port[uhso_mux_port[i]] != NULL) { |
793 | aprint_error_dev(sc->sc_dev, |
794 | "mux port %d is duplicate!\n" , i); |
795 | |
796 | continue; |
797 | } |
798 | |
799 | hp = kmem_zalloc(sizeof(struct uhso_port), KM_SLEEP); |
800 | sc->sc_port[uhso_mux_port[i]] = hp; |
801 | |
802 | hp->hp_sc = sc; |
803 | hp->hp_index = i; |
804 | hp->hp_ipipe = pipe; |
805 | hp->hp_ibuf = buf; |
806 | hp->hp_isize = size; |
807 | hp->hp_flags = flags; |
808 | hp->hp_abort = uhso_mux_abort; |
809 | hp->hp_detach = uhso_mux_detach; |
810 | hp->hp_init = uhso_mux_init; |
811 | hp->hp_clean = uhso_mux_clean; |
812 | hp->hp_write = uhso_mux_write; |
813 | hp->hp_write_cb = uhso_tty_write_cb; |
814 | hp->hp_read = uhso_mux_read; |
815 | hp->hp_read_cb = uhso_tty_read_cb; |
816 | hp->hp_control = uhso_mux_control; |
817 | hp->hp_wsize = UHSO_MUX_WSIZE; |
818 | hp->hp_rsize = UHSO_MUX_RSIZE; |
819 | |
820 | uhso_tty_attach(hp); |
821 | |
822 | aprint_normal_dev(sc->sc_dev, |
823 | "%s (port %d) attached as mux tty\n" , |
824 | uhso_port_name[uhso_mux_port[i]], uhso_mux_port[i]); |
825 | |
826 | /* |
827 | * As the pipe handle is stored in each mux, mark |
828 | * secondary references so they don't get released |
829 | */ |
830 | flags = UHSO_PORT_MUXPIPE; |
831 | } |
832 | } |
833 | |
834 | if (flags == 0) { |
835 | /* for whatever reasons, nothing was attached */ |
836 | usbd_abort_pipe(pipe); |
837 | usbd_close_pipe(pipe); |
838 | kmem_free(buf, size); |
839 | } |
840 | } |
841 | |
842 | Static int |
843 | uhso_mux_abort(struct uhso_port *hp) |
844 | { |
845 | struct uhso_softc *sc = hp->hp_sc; |
846 | |
847 | DPRINTF(1, "hp=%p\n" , hp); |
848 | |
849 | if (!ISSET(hp->hp_flags, UHSO_PORT_MUXPIPE)) |
850 | usbd_abort_pipe(hp->hp_ipipe); |
851 | |
852 | usbd_abort_default_pipe(sc->sc_udev); |
853 | |
854 | return (*hp->hp_clean)(hp); |
855 | } |
856 | |
857 | Static int |
858 | uhso_mux_detach(struct uhso_port *hp) |
859 | { |
860 | |
861 | DPRINTF(1, "hp=%p\n" , hp); |
862 | |
863 | if (!ISSET(hp->hp_flags, UHSO_PORT_MUXPIPE)) { |
864 | DPRINTF(1, "interrupt pipe closed\n" ); |
865 | usbd_abort_pipe(hp->hp_ipipe); |
866 | usbd_close_pipe(hp->hp_ipipe); |
867 | kmem_free(hp->hp_ibuf, hp->hp_isize); |
868 | } |
869 | |
870 | uhso_tty_detach(hp); |
871 | kmem_free(hp, sizeof(struct uhso_port)); |
872 | return 0; |
873 | } |
874 | |
875 | Static int |
876 | uhso_mux_init(struct uhso_port *hp) |
877 | { |
878 | |
879 | DPRINTF(1, "hp=%p\n" , hp); |
880 | |
881 | CLR(hp->hp_flags, UHSO_PORT_MUXBUSY | UHSO_PORT_MUXREADY); |
882 | SET(hp->hp_status, TIOCM_DSR | TIOCM_CAR); |
883 | |
884 | struct uhso_softc *sc = hp->hp_sc; |
885 | struct usbd_pipe *pipe0 = usbd_get_pipe0(sc->sc_udev); |
886 | int error; |
887 | |
888 | error = usbd_create_xfer(pipe0, hp->hp_rsize, 0, 0, &hp->hp_rxfer); |
889 | if (error) |
890 | return error; |
891 | |
892 | hp->hp_rbuf = usbd_get_buffer(hp->hp_rxfer); |
893 | |
894 | error = usbd_create_xfer(pipe0, hp->hp_wsize, 0, 0, &hp->hp_wxfer); |
895 | if (error) |
896 | return error; |
897 | |
898 | hp->hp_wbuf = usbd_get_buffer(hp->hp_wxfer); |
899 | |
900 | return 0; |
901 | } |
902 | |
903 | Static int |
904 | uhso_mux_clean(struct uhso_port *hp) |
905 | { |
906 | |
907 | DPRINTF(1, "hp=%p\n" , hp); |
908 | |
909 | CLR(hp->hp_flags, UHSO_PORT_MUXREADY); |
910 | CLR(hp->hp_status, TIOCM_DTR | TIOCM_DSR | TIOCM_CAR); |
911 | return 0; |
912 | } |
913 | |
914 | Static int |
915 | uhso_mux_write(struct uhso_port *hp) |
916 | { |
917 | struct uhso_softc *sc = hp->hp_sc; |
918 | usb_device_request_t req; |
919 | usbd_status status; |
920 | |
921 | DPRINTF(5, "hp=%p, index=%d, wlen=%zd\n" , hp, hp->hp_index, |
922 | hp->hp_wlen); |
923 | |
924 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
925 | req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; |
926 | USETW(req.wValue, 0); |
927 | USETW(req.wIndex, hp->hp_index); |
928 | USETW(req.wLength, hp->hp_wlen); |
929 | |
930 | usbd_setup_default_xfer(hp->hp_wxfer, sc->sc_udev, hp, USBD_NO_TIMEOUT, |
931 | &req, hp->hp_wbuf, hp->hp_wlen, 0, hp->hp_write_cb); |
932 | |
933 | status = usbd_transfer(hp->hp_wxfer); |
934 | if (status != USBD_IN_PROGRESS) { |
935 | DPRINTF(0, "non-normal status %s\n" , usbd_errstr(status)); |
936 | return EIO; |
937 | } |
938 | |
939 | sc->sc_refcnt++; |
940 | return 0; |
941 | } |
942 | |
943 | Static int |
944 | uhso_mux_read(struct uhso_port *hp) |
945 | { |
946 | struct uhso_softc *sc = hp->hp_sc; |
947 | usb_device_request_t req; |
948 | usbd_status status; |
949 | |
950 | CLR(hp->hp_flags, UHSO_PORT_MUXBUSY); |
951 | |
952 | if (hp->hp_rlen == 0 && !ISSET(hp->hp_flags, UHSO_PORT_MUXREADY)) |
953 | return 0; |
954 | |
955 | SET(hp->hp_flags, UHSO_PORT_MUXBUSY); |
956 | CLR(hp->hp_flags, UHSO_PORT_MUXREADY); |
957 | |
958 | DPRINTF(5, "hp=%p, index=%d\n" , hp, hp->hp_index); |
959 | |
960 | req.bmRequestType = UT_READ_CLASS_INTERFACE; |
961 | req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; |
962 | USETW(req.wValue, 0); |
963 | USETW(req.wIndex, hp->hp_index); |
964 | USETW(req.wLength, hp->hp_rsize); |
965 | |
966 | usbd_setup_default_xfer(hp->hp_rxfer, sc->sc_udev, hp, USBD_NO_TIMEOUT, |
967 | &req, hp->hp_rbuf, hp->hp_rsize, USBD_SHORT_XFER_OK, |
968 | hp->hp_read_cb); |
969 | |
970 | status = usbd_transfer(hp->hp_rxfer); |
971 | if (status != USBD_IN_PROGRESS) { |
972 | DPRINTF(0, "non-normal status %s\n" , usbd_errstr(status)); |
973 | CLR(hp->hp_flags, UHSO_PORT_MUXBUSY); |
974 | return EIO; |
975 | } |
976 | |
977 | sc->sc_refcnt++; |
978 | return 0; |
979 | } |
980 | |
981 | Static int |
982 | uhso_mux_control(struct uhso_port *hp) |
983 | { |
984 | |
985 | DPRINTF(1, "hp=%p\n" , hp); |
986 | |
987 | return 0; |
988 | } |
989 | |
990 | Static void |
991 | uhso_mux_intr(struct usbd_xfer *xfer, void * p, usbd_status status) |
992 | { |
993 | struct uhso_softc *sc = p; |
994 | struct uhso_port *hp; |
995 | uint32_t cc; |
996 | uint8_t *buf; |
997 | unsigned int i; |
998 | |
999 | if (status != USBD_NORMAL_COMPLETION) { |
1000 | DPRINTF(0, "non-normal status %s\n" , usbd_errstr(status)); |
1001 | return; |
1002 | } |
1003 | |
1004 | usbd_get_xfer_status(xfer, NULL, (void **)&buf, &cc, NULL); |
1005 | if (cc == 0) |
1006 | return; |
1007 | |
1008 | DPRINTF(5, "mux mask 0x%02x, cc=%u\n" , buf[0], cc); |
1009 | |
1010 | for (i = 0; i < __arraycount(uhso_mux_port); i++) { |
1011 | if (!ISSET(buf[0], __BIT(i))) |
1012 | continue; |
1013 | |
1014 | DPRINTF(5, "mux %d port %d\n" , i, uhso_mux_port[i]); |
1015 | hp = sc->sc_port[uhso_mux_port[i]]; |
1016 | if (hp == NULL |
1017 | || hp->hp_tp == NULL |
1018 | || !ISSET(hp->hp_status, TIOCM_DTR)) |
1019 | continue; |
1020 | |
1021 | SET(hp->hp_flags, UHSO_PORT_MUXREADY); |
1022 | if (ISSET(hp->hp_flags, UHSO_PORT_MUXBUSY)) |
1023 | continue; |
1024 | |
1025 | uhso_mux_read(hp); |
1026 | } |
1027 | } |
1028 | |
1029 | |
1030 | /****************************************************************************** |
1031 | * |
1032 | * Bulk ports operate using the bulk endpoints on an interface, though |
1033 | * the Modem port (at least) may have an interrupt endpoint that will pass |
1034 | * CDC Notification messages with the modem status. |
1035 | */ |
1036 | |
1037 | Static void |
1038 | uhso_bulk_attach(struct uhso_softc *sc, struct usbd_interface *ifh, int index) |
1039 | { |
1040 | usb_endpoint_descriptor_t *ed; |
1041 | usb_interface_descriptor_t *id; |
1042 | struct uhso_port *hp; |
1043 | int in, out; |
1044 | |
1045 | ed = uhso_get_endpoint(ifh, UE_BULK, UE_DIR_IN); |
1046 | if (ed == NULL) { |
1047 | aprint_error_dev(sc->sc_dev, "bulk-in endpoint not found\n" ); |
1048 | return; |
1049 | } |
1050 | in = ed->bEndpointAddress; |
1051 | |
1052 | ed = uhso_get_endpoint(ifh, UE_BULK, UE_DIR_OUT); |
1053 | if (ed == NULL) { |
1054 | aprint_error_dev(sc->sc_dev, "bulk-out endpoint not found\n" ); |
1055 | return; |
1056 | } |
1057 | out = ed->bEndpointAddress; |
1058 | |
1059 | id = usbd_get_interface_descriptor(ifh); |
1060 | if (id == NULL) { |
1061 | aprint_error_dev(sc->sc_dev, |
1062 | "interface descriptor not found\n" ); |
1063 | return; |
1064 | } |
1065 | |
1066 | DPRINTF(1, "bulk endpoints in=%x, out=%x\n" , in, out); |
1067 | |
1068 | if (sc->sc_port[index] != NULL) { |
1069 | aprint_error_dev(sc->sc_dev, "bulk port %d is duplicate!\n" , |
1070 | index); |
1071 | |
1072 | return; |
1073 | } |
1074 | |
1075 | hp = kmem_zalloc(sizeof(struct uhso_port), KM_SLEEP); |
1076 | sc->sc_port[index] = hp; |
1077 | |
1078 | hp->hp_sc = sc; |
1079 | hp->hp_ifh = ifh; |
1080 | hp->hp_index = id->bInterfaceNumber; |
1081 | hp->hp_raddr = in; |
1082 | hp->hp_waddr = out; |
1083 | hp->hp_abort = uhso_bulk_abort; |
1084 | hp->hp_detach = uhso_bulk_detach; |
1085 | hp->hp_init = uhso_bulk_init; |
1086 | hp->hp_clean = uhso_bulk_clean; |
1087 | hp->hp_write = uhso_bulk_write; |
1088 | hp->hp_write_cb = uhso_tty_write_cb; |
1089 | hp->hp_read = uhso_bulk_read; |
1090 | hp->hp_read_cb = uhso_tty_read_cb; |
1091 | hp->hp_control = uhso_bulk_control; |
1092 | hp->hp_wsize = UHSO_BULK_WSIZE; |
1093 | hp->hp_rsize = UHSO_BULK_RSIZE; |
1094 | |
1095 | if (index == UHSO_PORT_MODEM) { |
1096 | ed = uhso_get_endpoint(ifh, UE_INTERRUPT, UE_DIR_IN); |
1097 | if (ed != NULL) { |
1098 | hp->hp_iaddr = ed->bEndpointAddress; |
1099 | hp->hp_isize = UGETW(ed->wMaxPacketSize); |
1100 | } |
1101 | } |
1102 | |
1103 | uhso_tty_attach(hp); |
1104 | |
1105 | aprint_normal_dev(sc->sc_dev, |
1106 | "%s (port %d) attached as bulk tty\n" , |
1107 | uhso_port_name[index], index); |
1108 | } |
1109 | |
1110 | Static int |
1111 | uhso_bulk_abort(struct uhso_port *hp) |
1112 | { |
1113 | |
1114 | DPRINTF(1, "hp=%p\n" , hp); |
1115 | |
1116 | return (*hp->hp_clean)(hp); |
1117 | } |
1118 | |
1119 | Static int |
1120 | uhso_bulk_detach(struct uhso_port *hp) |
1121 | { |
1122 | |
1123 | DPRINTF(1, "hp=%p\n" , hp); |
1124 | |
1125 | uhso_tty_detach(hp); |
1126 | kmem_free(hp, sizeof(struct uhso_port)); |
1127 | return 0; |
1128 | } |
1129 | |
1130 | Static int |
1131 | uhso_bulk_init(struct uhso_port *hp) |
1132 | { |
1133 | usbd_status status; |
1134 | |
1135 | DPRINTF(1, "hp=%p\n" , hp); |
1136 | |
1137 | if (hp->hp_isize > 0) { |
1138 | hp->hp_ibuf = kmem_alloc(hp->hp_isize, KM_SLEEP); |
1139 | |
1140 | status = usbd_open_pipe_intr(hp->hp_ifh, hp->hp_iaddr, |
1141 | USBD_SHORT_XFER_OK, &hp->hp_ipipe, hp, hp->hp_ibuf, |
1142 | hp->hp_isize, uhso_bulk_intr, USBD_DEFAULT_INTERVAL); |
1143 | |
1144 | if (status != USBD_NORMAL_COMPLETION) { |
1145 | DPRINTF(0, "interrupt pipe open failed: %s\n" , |
1146 | usbd_errstr(status)); |
1147 | |
1148 | return EIO; |
1149 | } |
1150 | } |
1151 | |
1152 | status = usbd_open_pipe(hp->hp_ifh, hp->hp_raddr, 0, &hp->hp_rpipe); |
1153 | if (status != USBD_NORMAL_COMPLETION) { |
1154 | DPRINTF(0, "read pipe open failed: %s\n" , usbd_errstr(status)); |
1155 | return EIO; |
1156 | } |
1157 | |
1158 | status = usbd_open_pipe(hp->hp_ifh, hp->hp_waddr, 0, &hp->hp_wpipe); |
1159 | if (status != USBD_NORMAL_COMPLETION) { |
1160 | DPRINTF(0, "write pipe open failed: %s\n" , usbd_errstr(status)); |
1161 | return EIO; |
1162 | } |
1163 | |
1164 | int error = usbd_create_xfer(hp->hp_rpipe, hp->hp_rsize, |
1165 | USBD_SHORT_XFER_OK, 0, &hp->hp_rxfer); |
1166 | if (error) |
1167 | return error; |
1168 | |
1169 | hp->hp_rbuf = usbd_get_buffer(hp->hp_rxfer); |
1170 | |
1171 | error = usbd_create_xfer(hp->hp_wpipe, hp->hp_wsize, 0, 0, |
1172 | &hp->hp_wxfer); |
1173 | if (error) |
1174 | return error; |
1175 | hp->hp_wbuf = usbd_get_buffer(hp->hp_wxfer); |
1176 | |
1177 | return 0; |
1178 | } |
1179 | |
1180 | Static int |
1181 | uhso_bulk_clean(struct uhso_port *hp) |
1182 | { |
1183 | |
1184 | DPRINTF(1, "hp=%p\n" , hp); |
1185 | |
1186 | if (hp->hp_ipipe != NULL) { |
1187 | usbd_abort_pipe(hp->hp_ipipe); |
1188 | usbd_close_pipe(hp->hp_ipipe); |
1189 | hp->hp_ipipe = NULL; |
1190 | } |
1191 | |
1192 | if (hp->hp_ibuf != NULL) { |
1193 | kmem_free(hp->hp_ibuf, hp->hp_isize); |
1194 | hp->hp_ibuf = NULL; |
1195 | } |
1196 | |
1197 | if (hp->hp_rpipe != NULL) { |
1198 | usbd_abort_pipe(hp->hp_rpipe); |
1199 | } |
1200 | |
1201 | if (hp->hp_wpipe != NULL) { |
1202 | usbd_abort_pipe(hp->hp_wpipe); |
1203 | } |
1204 | |
1205 | if (hp->hp_rxfer != NULL) { |
1206 | usbd_destroy_xfer(hp->hp_rxfer); |
1207 | hp->hp_rxfer = NULL; |
1208 | hp->hp_rbuf = NULL; |
1209 | } |
1210 | |
1211 | if (hp->hp_wxfer != NULL) { |
1212 | usbd_destroy_xfer(hp->hp_wxfer); |
1213 | hp->hp_wxfer = NULL; |
1214 | hp->hp_wbuf = NULL; |
1215 | } |
1216 | |
1217 | if (hp->hp_rpipe != NULL) { |
1218 | usbd_close_pipe(hp->hp_rpipe); |
1219 | hp->hp_rpipe = NULL; |
1220 | } |
1221 | |
1222 | if (hp->hp_wpipe != NULL) { |
1223 | usbd_close_pipe(hp->hp_wpipe); |
1224 | hp->hp_wpipe = NULL; |
1225 | } |
1226 | |
1227 | return 0; |
1228 | } |
1229 | |
1230 | Static int |
1231 | uhso_bulk_write(struct uhso_port *hp) |
1232 | { |
1233 | struct uhso_softc *sc = hp->hp_sc; |
1234 | usbd_status status; |
1235 | |
1236 | DPRINTF(5, "hp=%p, wlen=%zd\n" , hp, hp->hp_wlen); |
1237 | |
1238 | usbd_setup_xfer(hp->hp_wxfer, hp, hp->hp_wbuf, hp->hp_wlen, 0, |
1239 | USBD_NO_TIMEOUT, hp->hp_write_cb); |
1240 | |
1241 | status = usbd_transfer(hp->hp_wxfer); |
1242 | if (status != USBD_IN_PROGRESS) { |
1243 | DPRINTF(0, "non-normal status %s\n" , usbd_errstr(status)); |
1244 | return EIO; |
1245 | } |
1246 | |
1247 | sc->sc_refcnt++; |
1248 | return 0; |
1249 | } |
1250 | |
1251 | Static int |
1252 | uhso_bulk_read(struct uhso_port *hp) |
1253 | { |
1254 | struct uhso_softc *sc = hp->hp_sc; |
1255 | usbd_status status; |
1256 | |
1257 | DPRINTF(5, "hp=%p\n" , hp); |
1258 | |
1259 | usbd_setup_xfer(hp->hp_rxfer, hp, hp->hp_rbuf, hp->hp_rsize, |
1260 | USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, hp->hp_read_cb); |
1261 | |
1262 | status = usbd_transfer(hp->hp_rxfer); |
1263 | if (status != USBD_IN_PROGRESS) { |
1264 | DPRINTF(0, "non-normal status %s\n" , usbd_errstr(status)); |
1265 | return EIO; |
1266 | } |
1267 | |
1268 | sc->sc_refcnt++; |
1269 | return 0; |
1270 | } |
1271 | |
1272 | Static int |
1273 | uhso_bulk_control(struct uhso_port *hp) |
1274 | { |
1275 | struct uhso_softc *sc = hp->hp_sc; |
1276 | usb_device_request_t req; |
1277 | usbd_status status; |
1278 | int val; |
1279 | |
1280 | DPRINTF(1, "hp=%p\n" , hp); |
1281 | |
1282 | if (hp->hp_isize == 0) |
1283 | return 0; |
1284 | |
1285 | val = 0; |
1286 | if (ISSET(hp->hp_status, TIOCM_DTR)) |
1287 | SET(val, UCDC_LINE_DTR); |
1288 | if (ISSET(hp->hp_status, TIOCM_RTS)) |
1289 | SET(val, UCDC_LINE_RTS); |
1290 | |
1291 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
1292 | req.bRequest = UCDC_SET_CONTROL_LINE_STATE; |
1293 | USETW(req.wValue, val); |
1294 | USETW(req.wIndex, hp->hp_index); |
1295 | USETW(req.wLength, 0); |
1296 | |
1297 | sc->sc_refcnt++; |
1298 | |
1299 | status = usbd_do_request(sc->sc_udev, &req, NULL); |
1300 | |
1301 | if (--sc->sc_refcnt < 0) |
1302 | usb_detach_wakeupold(sc->sc_dev); |
1303 | |
1304 | if (status != USBD_NORMAL_COMPLETION) { |
1305 | DPRINTF(0, "non-normal status %s\n" , usbd_errstr(status)); |
1306 | return EIO; |
1307 | } |
1308 | |
1309 | return 0; |
1310 | } |
1311 | |
1312 | Static void |
1313 | uhso_bulk_intr(struct usbd_xfer *xfer, void * p, usbd_status status) |
1314 | { |
1315 | struct uhso_port *hp = p; |
1316 | struct tty *tp = hp->hp_tp; |
1317 | usb_cdc_notification_t *msg; |
1318 | uint32_t cc; |
1319 | int s, old; |
1320 | |
1321 | if (status != USBD_NORMAL_COMPLETION) { |
1322 | DPRINTF(0, "non-normal status %s\n" , usbd_errstr(status)); |
1323 | return; |
1324 | } |
1325 | |
1326 | usbd_get_xfer_status(xfer, NULL, (void **)&msg, &cc, NULL); |
1327 | |
1328 | if (cc < UCDC_NOTIFICATION_LENGTH |
1329 | || msg->bmRequestType != UCDC_NOTIFICATION |
1330 | || msg->bNotification != UCDC_N_SERIAL_STATE |
1331 | || UGETW(msg->wValue) != 0 |
1332 | || UGETW(msg->wIndex) != hp->hp_index |
1333 | || UGETW(msg->wLength) < 1) |
1334 | return; |
1335 | |
1336 | DPRINTF(5, "state=%02x\n" , msg->data[0]); |
1337 | |
1338 | old = hp->hp_status; |
1339 | CLR(hp->hp_status, TIOCM_RNG | TIOCM_DSR | TIOCM_CAR); |
1340 | if (ISSET(msg->data[0], UCDC_N_SERIAL_RI)) |
1341 | SET(hp->hp_status, TIOCM_RNG); |
1342 | if (ISSET(msg->data[0], UCDC_N_SERIAL_DSR)) |
1343 | SET(hp->hp_status, TIOCM_DSR); |
1344 | if (ISSET(msg->data[0], UCDC_N_SERIAL_DCD)) |
1345 | SET(hp->hp_status, TIOCM_CAR); |
1346 | |
1347 | if (ISSET(hp->hp_status ^ old, TIOCM_CAR)) { |
1348 | s = spltty(); |
1349 | tp->t_linesw->l_modem(tp, ISSET(hp->hp_status, TIOCM_CAR)); |
1350 | splx(s); |
1351 | } |
1352 | |
1353 | if (ISSET((hp->hp_status ^ old), TIOCM_RNG | TIOCM_DSR | TIOCM_CAR)) |
1354 | DPRINTF(1, "RNG %s, DSR %s, DCD %s\n" , |
1355 | (ISSET(hp->hp_status, TIOCM_RNG) ? "on" : "off" ), |
1356 | (ISSET(hp->hp_status, TIOCM_DSR) ? "on" : "off" ), |
1357 | (ISSET(hp->hp_status, TIOCM_CAR) ? "on" : "off" )); |
1358 | } |
1359 | |
1360 | |
1361 | /****************************************************************************** |
1362 | * |
1363 | * TTY management |
1364 | * |
1365 | */ |
1366 | |
1367 | Static void |
1368 | uhso_tty_attach(struct uhso_port *hp) |
1369 | { |
1370 | struct tty *tp; |
1371 | |
1372 | tp = tty_alloc(); |
1373 | tp->t_oproc = uhso_tty_start; |
1374 | tp->t_param = uhso_tty_param; |
1375 | |
1376 | hp->hp_tp = tp; |
1377 | tty_attach(tp); |
1378 | |
1379 | DPRINTF(1, "hp=%p, tp=%p\n" , hp, tp); |
1380 | } |
1381 | |
1382 | Static void |
1383 | uhso_tty_detach(struct uhso_port *hp) |
1384 | { |
1385 | |
1386 | DPRINTF(1, "hp=%p\n" , hp); |
1387 | |
1388 | uhso_tty_clean(hp); |
1389 | |
1390 | tty_detach(hp->hp_tp); |
1391 | tty_free(hp->hp_tp); |
1392 | hp->hp_tp = NULL; |
1393 | } |
1394 | |
1395 | Static void |
1396 | uhso_tty_write_cb(struct usbd_xfer *xfer, void * p, usbd_status status) |
1397 | { |
1398 | struct uhso_port *hp = p; |
1399 | struct uhso_softc *sc = hp->hp_sc; |
1400 | struct tty *tp = hp->hp_tp; |
1401 | uint32_t cc; |
1402 | int s; |
1403 | |
1404 | if (--sc->sc_refcnt < 0) |
1405 | usb_detach_wakeupold(sc->sc_dev); |
1406 | |
1407 | if (status != USBD_NORMAL_COMPLETION) { |
1408 | DPRINTF(0, "non-normal status %s\n" , usbd_errstr(status)); |
1409 | |
1410 | if (status == USBD_STALLED && hp->hp_wpipe != NULL) |
1411 | usbd_clear_endpoint_stall_async(hp->hp_wpipe); |
1412 | else |
1413 | return; |
1414 | } else { |
1415 | usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); |
1416 | |
1417 | DPRINTF(5, "wrote %d bytes (of %zd)\n" , cc, hp->hp_wlen); |
1418 | if (cc != hp->hp_wlen) |
1419 | DPRINTF(0, "cc=%u, wlen=%zd\n" , cc, hp->hp_wlen); |
1420 | } |
1421 | |
1422 | s = spltty(); |
1423 | CLR(tp->t_state, TS_BUSY); |
1424 | tp->t_linesw->l_start(tp); |
1425 | splx(s); |
1426 | } |
1427 | |
1428 | Static void |
1429 | uhso_tty_read_cb(struct usbd_xfer *xfer, void * p, usbd_status status) |
1430 | { |
1431 | struct uhso_port *hp = p; |
1432 | struct uhso_softc *sc = hp->hp_sc; |
1433 | struct tty *tp = hp->hp_tp; |
1434 | uint8_t *cp; |
1435 | uint32_t cc; |
1436 | int s; |
1437 | |
1438 | if (--sc->sc_refcnt < 0) |
1439 | usb_detach_wakeupold(sc->sc_dev); |
1440 | |
1441 | if (status != USBD_NORMAL_COMPLETION) { |
1442 | DPRINTF(0, "non-normal status: %s\n" , usbd_errstr(status)); |
1443 | |
1444 | if (status == USBD_STALLED && hp->hp_rpipe != NULL) |
1445 | usbd_clear_endpoint_stall_async(hp->hp_rpipe); |
1446 | else |
1447 | return; |
1448 | |
1449 | hp->hp_rlen = 0; |
1450 | } else { |
1451 | usbd_get_xfer_status(xfer, NULL, (void **)&cp, &cc, NULL); |
1452 | |
1453 | hp->hp_rlen = cc; |
1454 | DPRINTF(5, "read %d bytes\n" , cc); |
1455 | |
1456 | s = spltty(); |
1457 | while (cc > 0) { |
1458 | if (tp->t_linesw->l_rint(*cp++, tp) == -1) { |
1459 | DPRINTF(0, "lost %d bytes\n" , cc); |
1460 | break; |
1461 | } |
1462 | |
1463 | cc--; |
1464 | } |
1465 | splx(s); |
1466 | } |
1467 | |
1468 | (*hp->hp_read)(hp); |
1469 | } |
1470 | |
1471 | |
1472 | /****************************************************************************** |
1473 | * |
1474 | * TTY subsystem |
1475 | * |
1476 | */ |
1477 | |
1478 | int |
1479 | uhso_tty_open(dev_t dev, int flag, int mode, struct lwp *l) |
1480 | { |
1481 | struct uhso_softc *sc; |
1482 | struct uhso_port *hp; |
1483 | struct tty *tp; |
1484 | int error, s; |
1485 | |
1486 | DPRINTF(1, "unit %d port %d\n" , UHSOUNIT(dev), UHSOPORT(dev)); |
1487 | |
1488 | sc = device_lookup_private(&uhso_cd, UHSOUNIT(dev)); |
1489 | if (sc == NULL |
1490 | || !device_is_active(sc->sc_dev) |
1491 | || UHSOPORT(dev) >= UHSO_PORT_MAX) |
1492 | return ENXIO; |
1493 | |
1494 | hp = sc->sc_port[UHSOPORT(dev)]; |
1495 | if (hp == NULL || hp->hp_tp == NULL) |
1496 | return ENXIO; |
1497 | |
1498 | tp = hp->hp_tp; |
1499 | if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) |
1500 | return EBUSY; |
1501 | |
1502 | error = 0; |
1503 | s = spltty(); |
1504 | if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) { |
1505 | tp->t_dev = dev; |
1506 | error = uhso_tty_init(hp); |
1507 | } |
1508 | splx(s); |
1509 | |
1510 | if (error == 0) { |
1511 | error = ttyopen(tp, UHSODIALOUT(dev), ISSET(flag, O_NONBLOCK)); |
1512 | if (error == 0) { |
1513 | error = tp->t_linesw->l_open(dev, tp); |
1514 | } |
1515 | } |
1516 | |
1517 | if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) |
1518 | uhso_tty_clean(hp); |
1519 | |
1520 | DPRINTF(1, "sc=%p, hp=%p, tp=%p, error=%d\n" , sc, hp, tp, error); |
1521 | |
1522 | return error; |
1523 | } |
1524 | |
1525 | Static int |
1526 | uhso_tty_init(struct uhso_port *hp) |
1527 | { |
1528 | struct tty *tp = hp->hp_tp; |
1529 | struct termios t; |
1530 | int error; |
1531 | |
1532 | DPRINTF(1, "sc=%p, hp=%p, tp=%p\n" , sc, hp, tp); |
1533 | |
1534 | /* |
1535 | * Initialize the termios status to the defaults. Add in the |
1536 | * sticky bits from TIOCSFLAGS. |
1537 | */ |
1538 | t.c_ispeed = 0; |
1539 | t.c_ospeed = TTYDEF_SPEED; |
1540 | t.c_cflag = TTYDEF_CFLAG; |
1541 | if (ISSET(hp->hp_swflags, TIOCFLAG_CLOCAL)) |
1542 | SET(t.c_cflag, CLOCAL); |
1543 | if (ISSET(hp->hp_swflags, TIOCFLAG_CRTSCTS)) |
1544 | SET(t.c_cflag, CRTSCTS); |
1545 | if (ISSET(hp->hp_swflags, TIOCFLAG_MDMBUF)) |
1546 | SET(t.c_cflag, MDMBUF); |
1547 | |
1548 | /* Ensure uhso_tty_param() will do something. */ |
1549 | tp->t_ospeed = 0; |
1550 | (void)uhso_tty_param(tp, &t); |
1551 | |
1552 | tp->t_iflag = TTYDEF_IFLAG; |
1553 | tp->t_oflag = TTYDEF_OFLAG; |
1554 | tp->t_lflag = TTYDEF_LFLAG; |
1555 | ttychars(tp); |
1556 | ttsetwater(tp); |
1557 | |
1558 | hp->hp_status = 0; |
1559 | error = (*hp->hp_init)(hp); |
1560 | if (error != 0) |
1561 | return error; |
1562 | |
1563 | /* |
1564 | * Turn on DTR. We must always do this, even if carrier is not |
1565 | * present, because otherwise we'd have to use TIOCSDTR |
1566 | * immediately after setting CLOCAL, which applications do not |
1567 | * expect. We always assert DTR while the port is open |
1568 | * unless explicitly requested to deassert it. Ditto RTS. |
1569 | */ |
1570 | uhso_tty_control(hp, TIOCMBIS, TIOCM_DTR | TIOCM_RTS); |
1571 | |
1572 | /* and start reading */ |
1573 | error = (*hp->hp_read)(hp); |
1574 | if (error != 0) |
1575 | return error; |
1576 | |
1577 | return 0; |
1578 | } |
1579 | |
1580 | int |
1581 | uhso_tty_close(dev_t dev, int flag, int mode, struct lwp *l) |
1582 | { |
1583 | struct uhso_softc *sc = device_lookup_private(&uhso_cd, UHSOUNIT(dev)); |
1584 | struct uhso_port *hp = sc->sc_port[UHSOPORT(dev)]; |
1585 | struct tty *tp = hp->hp_tp; |
1586 | |
1587 | if (!ISSET(tp->t_state, TS_ISOPEN)) |
1588 | return 0; |
1589 | |
1590 | DPRINTF(1, "sc=%p, hp=%p, tp=%p\n" , sc, hp, tp); |
1591 | |
1592 | sc->sc_refcnt++; |
1593 | |
1594 | tp->t_linesw->l_close(tp, flag); |
1595 | ttyclose(tp); |
1596 | |
1597 | if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) |
1598 | uhso_tty_clean(hp); |
1599 | |
1600 | if (--sc->sc_refcnt < 0) |
1601 | usb_detach_wakeupold(sc->sc_dev); |
1602 | |
1603 | return 0; |
1604 | } |
1605 | |
1606 | Static void |
1607 | uhso_tty_clean(struct uhso_port *hp) |
1608 | { |
1609 | |
1610 | DPRINTF(1, "hp=%p\n" , hp); |
1611 | |
1612 | if (ISSET(hp->hp_status, TIOCM_DTR) |
1613 | && ISSET(hp->hp_tp->t_cflag, HUPCL)) |
1614 | uhso_tty_control(hp, TIOCMBIC, TIOCM_DTR); |
1615 | |
1616 | (*hp->hp_clean)(hp); |
1617 | |
1618 | if (hp->hp_rxfer != NULL) { |
1619 | usbd_destroy_xfer(hp->hp_rxfer); |
1620 | hp->hp_rxfer = NULL; |
1621 | hp->hp_rbuf = NULL; |
1622 | } |
1623 | |
1624 | if (hp->hp_wxfer != NULL) { |
1625 | usbd_destroy_xfer(hp->hp_wxfer); |
1626 | hp->hp_wxfer = NULL; |
1627 | hp->hp_wbuf = NULL; |
1628 | } |
1629 | } |
1630 | |
1631 | int |
1632 | uhso_tty_read(dev_t dev, struct uio *uio, int flag) |
1633 | { |
1634 | struct uhso_softc *sc = device_lookup_private(&uhso_cd, UHSOUNIT(dev)); |
1635 | struct uhso_port *hp = sc->sc_port[UHSOPORT(dev)]; |
1636 | struct tty *tp = hp->hp_tp; |
1637 | int error; |
1638 | |
1639 | if (!device_is_active(sc->sc_dev)) |
1640 | return EIO; |
1641 | |
1642 | DPRINTF(5, "sc=%p, hp=%p, tp=%p\n" , sc, hp, tp); |
1643 | |
1644 | sc->sc_refcnt++; |
1645 | |
1646 | error = tp->t_linesw->l_read(tp, uio, flag); |
1647 | |
1648 | if (--sc->sc_refcnt < 0) |
1649 | usb_detach_wakeupold(sc->sc_dev); |
1650 | |
1651 | return error; |
1652 | } |
1653 | |
1654 | int |
1655 | uhso_tty_write(dev_t dev, struct uio *uio, int flag) |
1656 | { |
1657 | struct uhso_softc *sc = device_lookup_private(&uhso_cd, UHSOUNIT(dev)); |
1658 | struct uhso_port *hp = sc->sc_port[UHSOPORT(dev)]; |
1659 | struct tty *tp = hp->hp_tp; |
1660 | int error; |
1661 | |
1662 | if (!device_is_active(sc->sc_dev)) |
1663 | return EIO; |
1664 | |
1665 | DPRINTF(5, "sc=%p, hp=%p, tp=%p\n" , sc, hp, tp); |
1666 | |
1667 | sc->sc_refcnt++; |
1668 | |
1669 | error = tp->t_linesw->l_write(tp, uio, flag); |
1670 | |
1671 | if (--sc->sc_refcnt < 0) |
1672 | usb_detach_wakeupold(sc->sc_dev); |
1673 | |
1674 | return error; |
1675 | } |
1676 | |
1677 | int |
1678 | uhso_tty_ioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) |
1679 | { |
1680 | struct uhso_softc *sc = device_lookup_private(&uhso_cd, UHSOUNIT(dev)); |
1681 | struct uhso_port *hp = sc->sc_port[UHSOPORT(dev)]; |
1682 | int error; |
1683 | |
1684 | if (!device_is_active(sc->sc_dev)) |
1685 | return EIO; |
1686 | |
1687 | DPRINTF(1, "sc=%p, hp=%p\n" , sc, hp); |
1688 | |
1689 | sc->sc_refcnt++; |
1690 | |
1691 | error = uhso_tty_do_ioctl(hp, cmd, data, flag, l); |
1692 | |
1693 | if (--sc->sc_refcnt < 0) |
1694 | usb_detach_wakeupold(sc->sc_dev); |
1695 | |
1696 | return error; |
1697 | } |
1698 | |
1699 | Static int |
1700 | uhso_tty_do_ioctl(struct uhso_port *hp, u_long cmd, void *data, int flag, |
1701 | struct lwp *l) |
1702 | { |
1703 | struct tty *tp = hp->hp_tp; |
1704 | int error, s; |
1705 | |
1706 | error = tp->t_linesw->l_ioctl(tp, cmd, data, flag, l); |
1707 | if (error != EPASSTHROUGH) |
1708 | return error; |
1709 | |
1710 | error = ttioctl(tp, cmd, data, flag, l); |
1711 | if (error != EPASSTHROUGH) |
1712 | return error; |
1713 | |
1714 | error = 0; |
1715 | |
1716 | s = spltty(); |
1717 | |
1718 | switch (cmd) { |
1719 | case TIOCSDTR: |
1720 | error = uhso_tty_control(hp, TIOCMBIS, TIOCM_DTR); |
1721 | break; |
1722 | |
1723 | case TIOCCDTR: |
1724 | error = uhso_tty_control(hp, TIOCMBIC, TIOCM_DTR); |
1725 | break; |
1726 | |
1727 | case TIOCGFLAGS: |
1728 | *(int *)data = hp->hp_swflags; |
1729 | break; |
1730 | |
1731 | case TIOCSFLAGS: |
1732 | error = kauth_authorize_device_tty(l->l_cred, |
1733 | KAUTH_DEVICE_TTY_PRIVSET, tp); |
1734 | |
1735 | if (error) |
1736 | break; |
1737 | |
1738 | hp->hp_swflags = *(int *)data; |
1739 | break; |
1740 | |
1741 | case TIOCMSET: |
1742 | case TIOCMBIS: |
1743 | case TIOCMBIC: |
1744 | error = uhso_tty_control(hp, cmd, *(int *)data); |
1745 | break; |
1746 | |
1747 | case TIOCMGET: |
1748 | *(int *)data = hp->hp_status; |
1749 | break; |
1750 | |
1751 | default: |
1752 | error = EPASSTHROUGH; |
1753 | break; |
1754 | } |
1755 | |
1756 | splx(s); |
1757 | |
1758 | return error; |
1759 | } |
1760 | |
1761 | /* this is called with tty_lock held */ |
1762 | void |
1763 | uhso_tty_stop(struct tty *tp, int flag) |
1764 | { |
1765 | #if 0 |
1766 | struct uhso_softc *sc = device_lookup_private(&uhso_cd, |
1767 | UHSOUNIT(tp->t_dev)); |
1768 | struct uhso_port *hp = sc->sc_port[UHSOPORT(tp->t_dev)]; |
1769 | #endif |
1770 | } |
1771 | |
1772 | struct tty * |
1773 | uhso_tty_tty(dev_t dev) |
1774 | { |
1775 | struct uhso_softc *sc = device_lookup_private(&uhso_cd, UHSOUNIT(dev)); |
1776 | struct uhso_port *hp = sc->sc_port[UHSOPORT(dev)]; |
1777 | |
1778 | return hp->hp_tp; |
1779 | } |
1780 | |
1781 | int |
1782 | uhso_tty_poll(dev_t dev, int events, struct lwp *l) |
1783 | { |
1784 | struct uhso_softc *sc = device_lookup_private(&uhso_cd, UHSOUNIT(dev)); |
1785 | struct uhso_port *hp = sc->sc_port[UHSOPORT(dev)]; |
1786 | struct tty *tp = hp->hp_tp; |
1787 | int revents; |
1788 | |
1789 | if (!device_is_active(sc->sc_dev)) |
1790 | return POLLHUP; |
1791 | |
1792 | sc->sc_refcnt++; |
1793 | |
1794 | revents = tp->t_linesw->l_poll(tp, events, l); |
1795 | |
1796 | if (--sc->sc_refcnt < 0) |
1797 | usb_detach_wakeupold(sc->sc_dev); |
1798 | |
1799 | return revents; |
1800 | } |
1801 | |
1802 | Static int |
1803 | uhso_tty_param(struct tty *tp, struct termios *t) |
1804 | { |
1805 | struct uhso_softc *sc = device_lookup_private(&uhso_cd, |
1806 | UHSOUNIT(tp->t_dev)); |
1807 | struct uhso_port *hp = sc->sc_port[UHSOPORT(tp->t_dev)]; |
1808 | |
1809 | if (!device_is_active(sc->sc_dev)) |
1810 | return EIO; |
1811 | |
1812 | DPRINTF(1, "hp=%p, tp=%p, termios iflag=%x, oflag=%x, cflag=%x\n" , |
1813 | hp, tp, t->c_iflag, t->c_oflag, t->c_cflag); |
1814 | |
1815 | /* Check requested parameters. */ |
1816 | if (t->c_ispeed != 0 |
1817 | && t->c_ispeed != t->c_ospeed) |
1818 | return EINVAL; |
1819 | |
1820 | /* force CLOCAL and !HUPCL for console */ |
1821 | if (ISSET(hp->hp_swflags, TIOCFLAG_SOFTCAR)) { |
1822 | SET(t->c_cflag, CLOCAL); |
1823 | CLR(t->c_cflag, HUPCL); |
1824 | } |
1825 | |
1826 | /* If there were no changes, don't do anything. */ |
1827 | if (tp->t_ospeed == t->c_ospeed |
1828 | && tp->t_cflag == t->c_cflag) |
1829 | return 0; |
1830 | |
1831 | tp->t_ispeed = 0; |
1832 | tp->t_ospeed = t->c_ospeed; |
1833 | tp->t_cflag = t->c_cflag; |
1834 | |
1835 | /* update tty layers idea of carrier bit */ |
1836 | tp->t_linesw->l_modem(tp, ISSET(hp->hp_status, TIOCM_CAR)); |
1837 | return 0; |
1838 | } |
1839 | |
1840 | /* this is called with tty_lock held */ |
1841 | Static void |
1842 | uhso_tty_start(struct tty *tp) |
1843 | { |
1844 | struct uhso_softc *sc = device_lookup_private(&uhso_cd, |
1845 | UHSOUNIT(tp->t_dev)); |
1846 | struct uhso_port *hp = sc->sc_port[UHSOPORT(tp->t_dev)]; |
1847 | int s; |
1848 | |
1849 | if (!device_is_active(sc->sc_dev)) |
1850 | return; |
1851 | |
1852 | s = spltty(); |
1853 | |
1854 | if (!ISSET(tp->t_state, TS_BUSY | TS_TIMEOUT | TS_TTSTOP) |
1855 | && ttypull(tp) != 0) { |
1856 | hp->hp_wlen = q_to_b(&tp->t_outq, hp->hp_wbuf, hp->hp_wsize); |
1857 | if (hp->hp_wlen > 0) { |
1858 | SET(tp->t_state, TS_BUSY); |
1859 | (*hp->hp_write)(hp); |
1860 | } |
1861 | } |
1862 | |
1863 | splx(s); |
1864 | } |
1865 | |
1866 | Static int |
1867 | uhso_tty_control(struct uhso_port *hp, u_long cmd, int bits) |
1868 | { |
1869 | |
1870 | bits &= (TIOCM_DTR | TIOCM_RTS); |
1871 | DPRINTF(1, "cmd %s, DTR=%d, RTS=%d\n" , |
1872 | (cmd == TIOCMBIC ? "BIC" : (cmd == TIOCMBIS ? "BIS" : "SET" )), |
1873 | (bits & TIOCM_DTR) ? 1 : 0, |
1874 | (bits & TIOCM_RTS) ? 1 : 0); |
1875 | |
1876 | switch (cmd) { |
1877 | case TIOCMBIC: |
1878 | CLR(hp->hp_status, bits); |
1879 | break; |
1880 | |
1881 | case TIOCMBIS: |
1882 | SET(hp->hp_status, bits); |
1883 | break; |
1884 | |
1885 | case TIOCMSET: |
1886 | CLR(hp->hp_status, TIOCM_DTR | TIOCM_RTS); |
1887 | SET(hp->hp_status, bits); |
1888 | break; |
1889 | } |
1890 | |
1891 | return (*hp->hp_control)(hp); |
1892 | } |
1893 | |
1894 | |
1895 | /****************************************************************************** |
1896 | * |
1897 | * Network Interface |
1898 | * |
1899 | */ |
1900 | |
1901 | Static void |
1902 | uhso_ifnet_attach(struct uhso_softc *sc, struct usbd_interface *ifh, int index) |
1903 | { |
1904 | usb_endpoint_descriptor_t *ed; |
1905 | struct uhso_port *hp; |
1906 | struct ifnet *ifp; |
1907 | int in, out; |
1908 | |
1909 | ed = uhso_get_endpoint(ifh, UE_BULK, UE_DIR_IN); |
1910 | if (ed == NULL) { |
1911 | aprint_error_dev(sc->sc_dev, |
1912 | "could not find bulk-in endpoint\n" ); |
1913 | |
1914 | return; |
1915 | } |
1916 | in = ed->bEndpointAddress; |
1917 | |
1918 | ed = uhso_get_endpoint(ifh, UE_BULK, UE_DIR_OUT); |
1919 | if (ed == NULL) { |
1920 | aprint_error_dev(sc->sc_dev, |
1921 | "could not find bulk-out endpoint\n" ); |
1922 | |
1923 | return; |
1924 | } |
1925 | out = ed->bEndpointAddress; |
1926 | |
1927 | DPRINTF(1, "in=%d, out=%d\n" , in, out); |
1928 | |
1929 | if (sc->sc_port[index] != NULL) { |
1930 | aprint_error_dev(sc->sc_dev, |
1931 | "ifnet port %d is duplicate!\n" , index); |
1932 | |
1933 | return; |
1934 | } |
1935 | |
1936 | hp = kmem_zalloc(sizeof(struct uhso_port), KM_SLEEP); |
1937 | sc->sc_port[index] = hp; |
1938 | |
1939 | ifp = if_alloc(IFT_IP); |
1940 | strlcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); |
1941 | ifp->if_softc = hp; |
1942 | ifp->if_mtu = UHSO_IFNET_MTU; |
1943 | ifp->if_dlt = DLT_RAW; |
1944 | ifp->if_type = IFT_IP; |
1945 | ifp->if_flags = IFF_NOARP | IFF_SIMPLEX; |
1946 | ifp->if_ioctl = uhso_ifnet_ioctl; |
1947 | ifp->if_start = uhso_ifnet_start; |
1948 | ifp->if_output = uhso_ifnet_output; |
1949 | IFQ_SET_READY(&ifp->if_snd); |
1950 | |
1951 | hp->hp_sc = sc; |
1952 | hp->hp_ifp = ifp; |
1953 | hp->hp_ifh = ifh; |
1954 | hp->hp_raddr = in; |
1955 | hp->hp_waddr = out; |
1956 | hp->hp_abort = uhso_ifnet_abort; |
1957 | hp->hp_detach = uhso_ifnet_detach; |
1958 | hp->hp_init = uhso_bulk_init; |
1959 | hp->hp_clean = uhso_bulk_clean; |
1960 | hp->hp_write = uhso_bulk_write; |
1961 | hp->hp_write_cb = uhso_ifnet_write_cb; |
1962 | hp->hp_read = uhso_bulk_read; |
1963 | hp->hp_read_cb = uhso_ifnet_read_cb; |
1964 | hp->hp_wsize = MCLBYTES; |
1965 | hp->hp_rsize = MCLBYTES; |
1966 | |
1967 | if_attach(ifp); |
1968 | if_alloc_sadl(ifp); |
1969 | bpf_attach(ifp, DLT_RAW, 0); |
1970 | |
1971 | aprint_normal_dev(sc->sc_dev, "%s (port %d) attached as ifnet\n" , |
1972 | uhso_port_name[index], index); |
1973 | } |
1974 | |
1975 | Static int |
1976 | uhso_ifnet_abort(struct uhso_port *hp) |
1977 | { |
1978 | struct ifnet *ifp = hp->hp_ifp; |
1979 | |
1980 | /* All ifnet IO will abort when IFF_RUNNING is not set */ |
1981 | CLR(ifp->if_flags, IFF_RUNNING); |
1982 | |
1983 | return (*hp->hp_clean)(hp); |
1984 | } |
1985 | |
1986 | Static int |
1987 | uhso_ifnet_detach(struct uhso_port *hp) |
1988 | { |
1989 | struct ifnet *ifp = hp->hp_ifp; |
1990 | int s; |
1991 | |
1992 | s = splnet(); |
1993 | bpf_detach(ifp); |
1994 | if_detach(ifp); |
1995 | splx(s); |
1996 | |
1997 | kmem_free(hp, sizeof(struct uhso_port)); |
1998 | return 0; |
1999 | } |
2000 | |
2001 | Static void |
2002 | uhso_ifnet_write_cb(struct usbd_xfer *xfer, void * p, usbd_status status) |
2003 | { |
2004 | struct uhso_port *hp = p; |
2005 | struct uhso_softc *sc= hp->hp_sc; |
2006 | struct ifnet *ifp = hp->hp_ifp; |
2007 | uint32_t cc; |
2008 | int s; |
2009 | |
2010 | if (--sc->sc_refcnt < 0) |
2011 | usb_detach_wakeupold(sc->sc_dev); |
2012 | |
2013 | if (!ISSET(ifp->if_flags, IFF_RUNNING)) |
2014 | return; |
2015 | |
2016 | if (status != USBD_NORMAL_COMPLETION) { |
2017 | DPRINTF(0, "non-normal status %s\n" , usbd_errstr(status)); |
2018 | |
2019 | if (status == USBD_STALLED && hp->hp_wpipe != NULL) |
2020 | usbd_clear_endpoint_stall_async(hp->hp_wpipe); |
2021 | else |
2022 | return; |
2023 | |
2024 | ifp->if_oerrors++; |
2025 | } else { |
2026 | usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); |
2027 | DPRINTF(5, "wrote %d bytes (of %zd)\n" , cc, hp->hp_wlen); |
2028 | |
2029 | if (cc != hp->hp_wlen) |
2030 | DPRINTF(0, "cc=%u, wlen=%zd\n" , cc, hp->hp_wlen); |
2031 | |
2032 | ifp->if_opackets++; |
2033 | } |
2034 | |
2035 | s = splnet(); |
2036 | CLR(ifp->if_flags, IFF_OACTIVE); |
2037 | ifp->if_start(ifp); |
2038 | splx(s); |
2039 | } |
2040 | |
2041 | Static void |
2042 | uhso_ifnet_read_cb(struct usbd_xfer *xfer, void * p, |
2043 | usbd_status status) |
2044 | { |
2045 | struct uhso_port *hp = p; |
2046 | struct uhso_softc *sc= hp->hp_sc; |
2047 | struct ifnet *ifp = hp->hp_ifp; |
2048 | void *cp; |
2049 | uint32_t cc; |
2050 | |
2051 | if (--sc->sc_refcnt < 0) |
2052 | usb_detach_wakeupold(sc->sc_dev); |
2053 | |
2054 | if (!ISSET(ifp->if_flags, IFF_RUNNING)) |
2055 | return; |
2056 | |
2057 | if (status != USBD_NORMAL_COMPLETION) { |
2058 | DPRINTF(0, "non-normal status: %s\n" , usbd_errstr(status)); |
2059 | |
2060 | if (status == USBD_STALLED && hp->hp_rpipe != NULL) |
2061 | usbd_clear_endpoint_stall_async(hp->hp_rpipe); |
2062 | else |
2063 | return; |
2064 | |
2065 | ifp->if_ierrors++; |
2066 | hp->hp_rlen = 0; |
2067 | } else { |
2068 | usbd_get_xfer_status(xfer, NULL, (void **)&cp, &cc, NULL); |
2069 | |
2070 | hp->hp_rlen = cc; |
2071 | DPRINTF(5, "read %d bytes\n" , cc); |
2072 | |
2073 | uhso_ifnet_input(ifp, &hp->hp_mbuf, cp, cc); |
2074 | } |
2075 | |
2076 | (*hp->hp_read)(hp); |
2077 | } |
2078 | |
2079 | Static void |
2080 | uhso_ifnet_input(struct ifnet *ifp, struct mbuf **mb, uint8_t *cp, size_t cc) |
2081 | { |
2082 | struct mbuf *m; |
2083 | size_t got, len, want; |
2084 | int s; |
2085 | |
2086 | /* |
2087 | * Several IP packets might be in the same buffer, we need to |
2088 | * separate them before handing it to the ip-stack. We might |
2089 | * also receive partial packets which we need to defer until |
2090 | * we get more data. |
2091 | */ |
2092 | while (cc > 0) { |
2093 | if (*mb == NULL) { |
2094 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
2095 | if (m == NULL) { |
2096 | aprint_error_ifnet(ifp, "no mbufs\n" ); |
2097 | ifp->if_ierrors++; |
2098 | break; |
2099 | } |
2100 | |
2101 | MCLGET(m, M_DONTWAIT); |
2102 | if (!ISSET(m->m_flags, M_EXT)) { |
2103 | aprint_error_ifnet(ifp, "no mbuf clusters\n" ); |
2104 | ifp->if_ierrors++; |
2105 | m_freem(m); |
2106 | break; |
2107 | } |
2108 | |
2109 | got = 0; |
2110 | } else { |
2111 | m = *mb; |
2112 | *mb = NULL; |
2113 | got = m->m_pkthdr.len; |
2114 | } |
2115 | |
2116 | /* make sure that the incoming packet is ok */ |
2117 | if (got == 0) |
2118 | mtod(m, uint8_t *)[0] = cp[0]; |
2119 | |
2120 | want = mtod(m, struct ip *)->ip_hl << 2; |
2121 | if (mtod(m, struct ip *)->ip_v != 4 |
2122 | || want != sizeof(struct ip)) { |
2123 | aprint_error_ifnet(ifp, |
2124 | "bad IP header (v=%d, hl=%zd)\n" , |
2125 | mtod(m, struct ip *)->ip_v, want); |
2126 | |
2127 | ifp->if_ierrors++; |
2128 | m_freem(m); |
2129 | break; |
2130 | } |
2131 | |
2132 | /* ensure we have the IP header.. */ |
2133 | if (got < want) { |
2134 | len = MIN(want - got, cc); |
2135 | memcpy(mtod(m, uint8_t *) + got, cp, len); |
2136 | got += len; |
2137 | cc -= len; |
2138 | cp += len; |
2139 | |
2140 | if (got < want) { |
2141 | DPRINTF(5, "waiting for IP header " |
2142 | "(got %zd want %zd)\n" , got, want); |
2143 | |
2144 | m->m_pkthdr.len = got; |
2145 | *mb = m; |
2146 | break; |
2147 | } |
2148 | } |
2149 | |
2150 | /* ..and the packet body */ |
2151 | want = ntohs(mtod(m, struct ip *)->ip_len); |
2152 | if (got < want) { |
2153 | len = MIN(want - got, cc); |
2154 | memcpy(mtod(m, uint8_t *) + got, cp, len); |
2155 | got += len; |
2156 | cc -= len; |
2157 | cp += len; |
2158 | |
2159 | if (got < want) { |
2160 | DPRINTF(5, "waiting for IP packet " |
2161 | "(got %zd want %zd)\n" , got, want); |
2162 | |
2163 | m->m_pkthdr.len = got; |
2164 | *mb = m; |
2165 | break; |
2166 | } |
2167 | } |
2168 | |
2169 | m_set_rcvif(m, ifp); |
2170 | m->m_pkthdr.len = m->m_len = got; |
2171 | |
2172 | s = splnet(); |
2173 | |
2174 | bpf_mtap(ifp, m); |
2175 | |
2176 | if (__predict_false(!pktq_enqueue(ip_pktq, m, 0))) { |
2177 | m_freem(m); |
2178 | } else { |
2179 | ifp->if_ipackets++; |
2180 | ifp->if_ibytes += got; |
2181 | } |
2182 | splx(s); |
2183 | } |
2184 | } |
2185 | |
2186 | Static int |
2187 | uhso_ifnet_ioctl(struct ifnet *ifp, u_long cmd, void *data) |
2188 | { |
2189 | struct uhso_port *hp = ifp->if_softc; |
2190 | int error, s; |
2191 | |
2192 | s = splnet(); |
2193 | |
2194 | switch (cmd) { |
2195 | case SIOCINITIFADDR: |
2196 | switch (((struct ifaddr *)data)->ifa_addr->sa_family) { |
2197 | #ifdef INET |
2198 | case AF_INET: |
2199 | if (!ISSET(ifp->if_flags, IFF_RUNNING)) { |
2200 | SET(ifp->if_flags, IFF_UP); |
2201 | error = uhso_ifnet_init(hp); |
2202 | if (error != 0) { |
2203 | uhso_ifnet_clean(hp); |
2204 | break; |
2205 | } |
2206 | |
2207 | SET(ifp->if_flags, IFF_RUNNING); |
2208 | DPRINTF(1, "hp=%p, ifp=%p INITIFADDR\n" , hp, |
2209 | ifp); |
2210 | break; |
2211 | } |
2212 | |
2213 | error = 0; |
2214 | break; |
2215 | #endif |
2216 | |
2217 | default: |
2218 | error = EAFNOSUPPORT; |
2219 | break; |
2220 | } |
2221 | break; |
2222 | |
2223 | case SIOCSIFMTU: |
2224 | if (((struct ifreq *)data)->ifr_mtu > hp->hp_wsize) { |
2225 | error = EINVAL; |
2226 | break; |
2227 | } |
2228 | |
2229 | error = ifioctl_common(ifp, cmd, data); |
2230 | if (error == ENETRESET) |
2231 | error = 0; |
2232 | |
2233 | break; |
2234 | |
2235 | case SIOCSIFFLAGS: |
2236 | error = ifioctl_common(ifp, cmd, data); |
2237 | if (error != 0) |
2238 | break; |
2239 | |
2240 | switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) { |
2241 | case IFF_UP: |
2242 | error = uhso_ifnet_init(hp); |
2243 | if (error != 0) { |
2244 | uhso_ifnet_clean(hp); |
2245 | break; |
2246 | } |
2247 | |
2248 | SET(ifp->if_flags, IFF_RUNNING); |
2249 | DPRINTF(1, "hp=%p, ifp=%p RUNNING\n" , hp, ifp); |
2250 | break; |
2251 | |
2252 | case IFF_RUNNING: |
2253 | uhso_ifnet_clean(hp); |
2254 | CLR(ifp->if_flags, IFF_RUNNING); |
2255 | DPRINTF(1, "hp=%p, ifp=%p STOPPED\n" , hp, ifp); |
2256 | break; |
2257 | |
2258 | default: |
2259 | break; |
2260 | } |
2261 | break; |
2262 | |
2263 | default: |
2264 | error = ifioctl_common(ifp, cmd, data); |
2265 | break; |
2266 | } |
2267 | |
2268 | splx(s); |
2269 | |
2270 | return error; |
2271 | } |
2272 | |
2273 | /* is only called if IFF_RUNNING not set */ |
2274 | Static int |
2275 | uhso_ifnet_init(struct uhso_port *hp) |
2276 | { |
2277 | struct uhso_softc *sc = hp->hp_sc; |
2278 | int error; |
2279 | |
2280 | DPRINTF(1, "sc=%p, hp=%p\n" , sc, hp); |
2281 | |
2282 | if (!device_is_active(sc->sc_dev)) |
2283 | return EIO; |
2284 | |
2285 | error = (*hp->hp_init)(hp); |
2286 | if (error != 0) |
2287 | return error; |
2288 | |
2289 | error = (*hp->hp_read)(hp); |
2290 | if (error != 0) |
2291 | return error; |
2292 | |
2293 | return 0; |
2294 | } |
2295 | |
2296 | Static void |
2297 | uhso_ifnet_clean(struct uhso_port *hp) |
2298 | { |
2299 | |
2300 | DPRINTF(1, "hp=%p\n" , hp); |
2301 | |
2302 | (*hp->hp_clean)(hp); |
2303 | } |
2304 | |
2305 | /* called at splnet() with IFF_OACTIVE not set */ |
2306 | Static void |
2307 | uhso_ifnet_start(struct ifnet *ifp) |
2308 | { |
2309 | struct uhso_port *hp = ifp->if_softc; |
2310 | struct mbuf *m; |
2311 | |
2312 | KASSERT(!ISSET(ifp->if_flags, IFF_OACTIVE)); |
2313 | |
2314 | if (!ISSET(ifp->if_flags, IFF_RUNNING)) |
2315 | return; |
2316 | |
2317 | if (IFQ_IS_EMPTY(&ifp->if_snd)) { |
2318 | DPRINTF(5, "finished sending\n" ); |
2319 | return; |
2320 | } |
2321 | |
2322 | SET(ifp->if_flags, IFF_OACTIVE); |
2323 | IFQ_DEQUEUE(&ifp->if_snd, m); |
2324 | hp->hp_wlen = m->m_pkthdr.len; |
2325 | if (hp->hp_wlen > hp->hp_wsize) { |
2326 | aprint_error_ifnet(ifp, |
2327 | "packet too long (%zd > %zd), truncating\n" , |
2328 | hp->hp_wlen, hp->hp_wsize); |
2329 | |
2330 | hp->hp_wlen = hp->hp_wsize; |
2331 | } |
2332 | |
2333 | bpf_mtap(ifp, m); |
2334 | |
2335 | m_copydata(m, 0, hp->hp_wlen, hp->hp_wbuf); |
2336 | m_freem(m); |
2337 | |
2338 | if ((*hp->hp_write)(hp) != 0) { |
2339 | ifp->if_oerrors++; |
2340 | CLR(ifp->if_flags, IFF_OACTIVE); |
2341 | } |
2342 | } |
2343 | |
2344 | Static int |
2345 | uhso_ifnet_output(struct ifnet *ifp, struct mbuf *m, |
2346 | const struct sockaddr *dst, const struct rtentry *rt0) |
2347 | { |
2348 | int error; |
2349 | |
2350 | if (!ISSET(ifp->if_flags, IFF_RUNNING)) |
2351 | return EIO; |
2352 | |
2353 | IFQ_CLASSIFY(&ifp->if_snd, m, dst->sa_family); |
2354 | |
2355 | switch (dst->sa_family) { |
2356 | #ifdef INET |
2357 | case AF_INET: |
2358 | error = ifq_enqueue(ifp, m); |
2359 | break; |
2360 | #endif |
2361 | |
2362 | default: |
2363 | DPRINTF(0, "unsupported address family %d\n" , dst->sa_family); |
2364 | error = EAFNOSUPPORT; |
2365 | m_freem(m); |
2366 | break; |
2367 | } |
2368 | |
2369 | return error; |
2370 | } |
2371 | |