Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 1 | /* (C) 2018-2020 by Harald Welte <laforge@gnumonks.org> |
| 2 | * |
| 3 | * All Rights Reserved |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #include <stdio.h> |
| 24 | #include <errno.h> |
| 25 | |
| 26 | #include <libusb.h> |
| 27 | |
| 28 | #include <osmocom/core/fsm.h> |
| 29 | #include <osmocom/core/utils.h> |
| 30 | |
| 31 | #include <osmocom/usb/libusb.h> |
| 32 | |
| 33 | #include <osmocom/simtrace2/apdu_dispatch.h> |
| 34 | #include <osmocom/simtrace2/simtrace2_api.h> |
| 35 | #include <osmocom/simtrace2/simtrace_prot.h> |
| 36 | |
| 37 | #include "client.h" |
| 38 | #include "debug.h" |
| 39 | |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 40 | #define LOGCI(ci, lvl, fmt, args ...) \ |
| 41 | LOGP(DST2, lvl, fmt, ## args) |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 42 | |
| 43 | /*********************************************************************** |
| 44 | * Incoming Messages from cardem firmware |
| 45 | ***********************************************************************/ |
| 46 | |
| 47 | /*! \brief Process a STATUS message from the SIMtrace2 */ |
| 48 | static int process_do_status(struct osmo_st2_cardem_inst *ci, uint8_t *buf, int len) |
| 49 | { |
| 50 | struct cardemu_usb_msg_status *status; |
| 51 | status = (struct cardemu_usb_msg_status *) buf; |
| 52 | |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 53 | LOGCI(ci, LOGL_INFO, "SIMtrace => STATUS: flags=0x%x, fi=%u, di=%u, wi=%u wtime=%u\n", |
| 54 | status->flags, status->fi, status->di, status->wi, status->waiting_time); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 55 | |
| 56 | return 0; |
| 57 | } |
| 58 | |
| 59 | /*! \brief Process a PTS indication message from the SIMtrace2 */ |
| 60 | static int process_do_pts(struct osmo_st2_cardem_inst *ci, uint8_t *buf, int len) |
| 61 | { |
| 62 | struct cardemu_usb_msg_pts_info *pts = (struct cardemu_usb_msg_pts_info *) buf; |
| 63 | struct bankd_client *bc = ci->priv; |
| 64 | struct frontend_pts fpts = { |
| 65 | .buf = pts->req, |
| 66 | .len = sizeof(pts->req), |
| 67 | }; |
| 68 | |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 69 | LOGCI(ci, LOGL_INFO, "SIMtrace => PTS req: %s\n", osmo_hexdump(pts->req, sizeof(pts->req))); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 70 | |
| 71 | osmo_fsm_inst_dispatch(bc->main_fi, MF_E_MDM_PTS_IND, &fpts); |
| 72 | |
| 73 | return 0; |
| 74 | } |
| 75 | |
| 76 | /*! \brief Process a ERROR indication message from the SIMtrace2 */ |
| 77 | __attribute__((unused)) static int process_do_error(struct osmo_st2_cardem_inst *ci, uint8_t *buf, int len) |
| 78 | { |
| 79 | struct cardemu_usb_msg_error *err; |
| 80 | err = (struct cardemu_usb_msg_error *) buf; |
| 81 | |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 82 | LOGCI(ci, LOGL_ERROR, "SIMtrace => ERROR: %u/%u/%u: %s\n", |
| 83 | err->severity, err->subsystem, err->code, err->msg_len ? (char *)err->msg : ""); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 84 | |
| 85 | return 0; |
| 86 | } |
| 87 | |
| 88 | static struct osmo_apdu_context ac; // this will hold the complete APDU (across calls) |
| 89 | |
| 90 | /*! \brief Process a RX-DATA indication message from the SIMtrace2 */ |
| 91 | static int process_do_rx_da(struct osmo_st2_cardem_inst *ci, uint8_t *buf, int len) |
| 92 | { |
| 93 | struct cardemu_usb_msg_rx_data *data = (struct cardemu_usb_msg_rx_data *) buf; |
| 94 | struct bankd_client *bc = ci->priv; |
| 95 | struct frontend_tpdu ftpdu; |
| 96 | int rc; |
| 97 | |
Harald Welte | 06fff2a | 2020-05-25 18:14:49 +0200 | [diff] [blame] | 98 | LOGCI(ci, LOGL_DEBUG, "SIMtrace => DATA: flags=%x, %s\n", data->flags, |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 99 | osmo_hexdump(data->data, data->data_len)); |
| 100 | |
| 101 | /* parse the APDU data in the USB message */ |
| 102 | rc = osmo_apdu_segment_in(&ac, data->data, data->data_len, |
| 103 | data->flags & CEMU_DATA_F_TPDU_HDR); |
| 104 | |
| 105 | if (rc & APDU_ACT_TX_CAPDU_TO_CARD) { |
| 106 | /* there is no pending data coming from the modem */ |
| 107 | uint8_t apdu_command[sizeof(ac.hdr) + ac.lc.tot]; |
| 108 | memcpy(apdu_command, &ac.hdr, sizeof(ac.hdr)); |
| 109 | if (ac.lc.tot) |
| 110 | memcpy(apdu_command + sizeof(ac.hdr), ac.dc, ac.lc.tot); |
| 111 | /* send APDU to card */ |
| 112 | ftpdu.buf = apdu_command; |
| 113 | ftpdu.len = sizeof(ac.hdr) + ac.lc.tot; |
Harald Welte | 1eec53d | 2020-05-25 22:48:27 +0200 | [diff] [blame] | 114 | osmo_fsm_inst_dispatch(bc->main_fi, MF_E_MDM_TPDU, &ftpdu); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 115 | } else if (ac.lc.tot > ac.lc.cur) { |
| 116 | /* there is pending data from the modem: send procedure byte to get remaining data */ |
| 117 | osmo_st2_cardem_request_pb_and_rx(ci, ac.hdr.ins, ac.lc.tot - ac.lc.cur); |
| 118 | } |
| 119 | return 0; |
| 120 | } |
| 121 | |
| 122 | #if 0 |
| 123 | case SIMTRACE_CMD_DO_ERROR |
| 124 | rc = process_do_error(ci, buf, len); |
| 125 | break; |
| 126 | #endif |
| 127 | |
| 128 | /*! \brief Process an incoming message from the SIMtrace2 */ |
| 129 | static int process_usb_msg(struct osmo_st2_cardem_inst *ci, uint8_t *buf, int len) |
| 130 | { |
| 131 | struct simtrace_msg_hdr *sh = (struct simtrace_msg_hdr *)buf; |
| 132 | int rc; |
| 133 | |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 134 | LOGCI(ci, LOGL_DEBUG, "SIMtrace -> %s\n", osmo_hexdump(buf, len)); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 135 | |
| 136 | buf += sizeof(*sh); |
| 137 | |
| 138 | switch (sh->msg_type) { |
| 139 | case SIMTRACE_MSGT_BD_CEMU_STATUS: |
| 140 | rc = process_do_status(ci, buf, len); |
| 141 | break; |
| 142 | case SIMTRACE_MSGT_DO_CEMU_PTS: |
| 143 | rc = process_do_pts(ci, buf, len); |
| 144 | break; |
| 145 | case SIMTRACE_MSGT_DO_CEMU_RX_DATA: |
| 146 | rc = process_do_rx_da(ci, buf, len); |
| 147 | break; |
| 148 | case SIMTRACE_MSGT_BD_CEMU_CONFIG: |
| 149 | /* firmware confirms configuration change; ignore */ |
| 150 | break; |
| 151 | default: |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 152 | LOGCI(ci, LOGL_ERROR, "unknown simtrace msg type 0x%02x\n", sh->msg_type); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 153 | rc = -1; |
| 154 | break; |
| 155 | } |
| 156 | |
| 157 | return rc; |
| 158 | } |
| 159 | |
| 160 | |
| 161 | /*! \brief Process a STATUS message on IRQ endpoint from the SIMtrace2 */ |
| 162 | static int process_irq_status(struct osmo_st2_cardem_inst *ci, const uint8_t *buf, int len) |
| 163 | { |
| 164 | const struct cardemu_usb_msg_status *status = (struct cardemu_usb_msg_status *) buf; |
| 165 | struct bankd_client *bc = ci->priv; |
| 166 | struct frontend_phys_status pstatus = { |
| 167 | .flags = { |
| 168 | .reset_active = status->flags & CEMU_STATUS_F_RESET_ACTIVE, |
| 169 | .vcc_present = status->flags & CEMU_STATUS_F_VCC_PRESENT, |
| 170 | .clk_active = status->flags & CEMU_STATUS_F_CLK_ACTIVE, |
| 171 | .card_present = -1 /* FIXME: make this dependent on board */, |
| 172 | }, |
| 173 | .voltage_mv = status->voltage_mv, |
| 174 | .fi = status->fi, |
| 175 | .di = status->di, |
| 176 | .wi = status->wi, |
| 177 | .waiting_time = status->waiting_time, |
| 178 | }; |
| 179 | |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 180 | LOGCI(ci, LOGL_INFO, "SIMtrace IRQ STATUS: flags=0x%x, fi=%u, di=%u, wi=%u wtime=%u\n", |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 181 | status->flags, status->fi, status->di, status->wi, |
| 182 | status->waiting_time); |
| 183 | |
| 184 | osmo_fsm_inst_dispatch(bc->main_fi, MF_E_MDM_STATUS_IND, &pstatus); |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | static int process_usb_msg_irq(struct osmo_st2_cardem_inst *ci, const uint8_t *buf, unsigned int len) |
| 189 | { |
| 190 | struct simtrace_msg_hdr *sh = (struct simtrace_msg_hdr *)buf; |
| 191 | int rc; |
| 192 | |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 193 | LOGCI(ci, LOGL_INFO, "SIMtrace IRQ %s\n", osmo_hexdump(buf, len)); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 194 | |
| 195 | buf += sizeof(*sh); |
| 196 | |
| 197 | switch (sh->msg_type) { |
| 198 | case SIMTRACE_MSGT_BD_CEMU_STATUS: |
| 199 | rc = process_irq_status(ci, buf, len); |
| 200 | break; |
| 201 | default: |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 202 | LOGCI(ci, LOGL_ERROR, "unknown simtrace msg type 0x%02x\n", sh->msg_type); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 203 | rc = -1; |
| 204 | break; |
| 205 | } |
| 206 | |
| 207 | return rc; |
| 208 | } |
| 209 | |
| 210 | static void usb_in_xfer_cb(struct libusb_transfer *xfer) |
| 211 | { |
| 212 | struct osmo_st2_cardem_inst *ci = xfer->user_data; |
| 213 | int rc; |
| 214 | |
| 215 | switch (xfer->status) { |
| 216 | case LIBUSB_TRANSFER_COMPLETED: |
| 217 | /* hand the message up the stack */ |
| 218 | process_usb_msg(ci, xfer->buffer, xfer->actual_length); |
| 219 | break; |
| 220 | case LIBUSB_TRANSFER_NO_DEVICE: |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 221 | LOGCI(ci, LOGL_FATAL, "USB device disappeared\n"); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 222 | exit(1); |
| 223 | break; |
| 224 | default: |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 225 | LOGCI(ci, LOGL_FATAL, "USB IN transfer failed, status=%u\n", xfer->status); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 226 | exit(1); |
| 227 | break; |
| 228 | } |
| 229 | |
| 230 | /* re-submit the IN transfer */ |
| 231 | rc = libusb_submit_transfer(xfer); |
| 232 | OSMO_ASSERT(rc == 0); |
| 233 | } |
| 234 | |
| 235 | |
| 236 | static void allocate_and_submit_in(struct osmo_st2_cardem_inst *ci) |
| 237 | { |
| 238 | struct osmo_st2_transport *transp = ci->slot->transp; |
| 239 | struct libusb_transfer *xfer; |
| 240 | int rc; |
| 241 | |
| 242 | xfer = libusb_alloc_transfer(0); |
| 243 | OSMO_ASSERT(xfer); |
| 244 | xfer->dev_handle = transp->usb_devh; |
| 245 | xfer->flags = 0; |
| 246 | xfer->type = LIBUSB_TRANSFER_TYPE_BULK; |
| 247 | xfer->endpoint = transp->usb_ep.in; |
| 248 | xfer->timeout = 0; |
| 249 | xfer->user_data = ci; |
| 250 | xfer->length = 16*256; |
| 251 | |
| 252 | xfer->buffer = libusb_dev_mem_alloc(xfer->dev_handle, xfer->length); |
| 253 | OSMO_ASSERT(xfer->buffer); |
| 254 | xfer->callback = usb_in_xfer_cb; |
| 255 | |
| 256 | /* submit the IN transfer */ |
| 257 | rc = libusb_submit_transfer(xfer); |
| 258 | OSMO_ASSERT(rc == 0); |
| 259 | } |
| 260 | |
| 261 | |
| 262 | static void usb_irq_xfer_cb(struct libusb_transfer *xfer) |
| 263 | { |
| 264 | struct osmo_st2_cardem_inst *ci = xfer->user_data; |
| 265 | int rc; |
| 266 | |
| 267 | switch (xfer->status) { |
| 268 | case LIBUSB_TRANSFER_COMPLETED: |
| 269 | process_usb_msg_irq(ci, xfer->buffer, xfer->actual_length); |
| 270 | break; |
| 271 | case LIBUSB_TRANSFER_NO_DEVICE: |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 272 | LOGCI(ci, LOGL_FATAL, "USB device disappeared\n"); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 273 | exit(1); |
| 274 | break; |
| 275 | default: |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 276 | LOGCI(ci, LOGL_FATAL, "USB IN transfer failed, status=%u\n", xfer->status); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 277 | exit(1); |
| 278 | break; |
| 279 | } |
| 280 | |
| 281 | /* re-submit the IN transfer */ |
| 282 | rc = libusb_submit_transfer(xfer); |
| 283 | OSMO_ASSERT(rc == 0); |
| 284 | } |
| 285 | |
| 286 | |
| 287 | static void allocate_and_submit_irq(struct osmo_st2_cardem_inst *ci) |
| 288 | { |
| 289 | struct osmo_st2_transport *transp = ci->slot->transp; |
| 290 | struct libusb_transfer *xfer; |
| 291 | int rc; |
| 292 | |
| 293 | xfer = libusb_alloc_transfer(0); |
| 294 | OSMO_ASSERT(xfer); |
| 295 | xfer->dev_handle = transp->usb_devh; |
| 296 | xfer->flags = 0; |
| 297 | xfer->type = LIBUSB_TRANSFER_TYPE_INTERRUPT; |
| 298 | xfer->endpoint = transp->usb_ep.irq_in; |
| 299 | xfer->timeout = 0; |
| 300 | xfer->user_data = ci; |
| 301 | xfer->length = 64; |
| 302 | |
| 303 | xfer->buffer = libusb_dev_mem_alloc(xfer->dev_handle, xfer->length); |
| 304 | OSMO_ASSERT(xfer->buffer); |
| 305 | xfer->callback = usb_irq_xfer_cb; |
| 306 | |
| 307 | /* submit the IN transfer */ |
| 308 | rc = libusb_submit_transfer(xfer); |
| 309 | OSMO_ASSERT(rc == 0); |
| 310 | } |
| 311 | |
| 312 | |
| 313 | |
| 314 | |
| 315 | /*********************************************************************** |
| 316 | * simtrace2 frontend code to remsim-client |
| 317 | ***********************************************************************/ |
| 318 | |
| 319 | int frontend_request_card_insert(struct bankd_client *bc) |
| 320 | { |
| 321 | struct osmo_st2_cardem_inst *ci = bc->cardem; |
| 322 | return osmo_st2_cardem_request_card_insert(ci, true); |
| 323 | } |
| 324 | |
| 325 | int frontend_request_sim_remote(struct bankd_client *bc) |
| 326 | { |
| 327 | struct osmo_st2_cardem_inst *ci = bc->cardem; |
| 328 | return osmo_st2_modem_sim_select_remote(ci->slot); |
| 329 | } |
| 330 | |
| 331 | int frontend_request_modem_reset(struct bankd_client *bc) |
| 332 | { |
| 333 | struct osmo_st2_cardem_inst *ci = bc->cardem; |
| 334 | return osmo_st2_modem_reset_pulse(ci->slot, 300); |
| 335 | } |
| 336 | |
| 337 | int frontend_handle_card2modem(struct bankd_client *bc, const uint8_t *data, size_t len) |
| 338 | { |
| 339 | struct osmo_st2_cardem_inst *ci = bc->cardem; |
| 340 | // save SW to our current APDU context |
| 341 | ac.sw[0] = data[len-2]; |
Harald Welte | 57b21d4 | 2020-05-28 16:28:47 +0200 | [diff] [blame] | 342 | ac.sw[1] = data[len-1]; |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 343 | |
Harald Welte | b97e2fb | 2020-03-03 21:01:11 +0100 | [diff] [blame] | 344 | LOGCI(ci, LOGL_DEBUG, "SIMtrace <= SW=0x%02x%02x, len_rx=%zu\n", ac.sw[0], ac.sw[1], len-2); |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 345 | if (len > 2) { // send PB and data to modem |
| 346 | osmo_st2_cardem_request_pb_and_tx(ci, ac.hdr.ins, data, len-2); |
| 347 | } |
| 348 | osmo_st2_cardem_request_sw_tx(ci, ac.sw); // send SW to modem |
| 349 | return 0; |
| 350 | } |
| 351 | |
| 352 | int frontend_handle_set_atr(struct bankd_client *bc, const uint8_t *data, size_t len) |
| 353 | { |
| 354 | struct osmo_st2_cardem_inst *ci = bc->cardem; |
| 355 | return osmo_st2_cardem_request_set_atr(ci, data, len); |
| 356 | } |
| 357 | |
| 358 | int frontend_handle_slot_status(struct bankd_client *bc, const SlotPhysStatus_t *sts) |
| 359 | { |
| 360 | /* we currently don't propagate bankd status to cardem */ |
| 361 | return 0; |
| 362 | } |
| 363 | |
Harald Welte | e580c93 | 2020-05-24 16:03:56 +0200 | [diff] [blame] | 364 | int frontend_append_script_env(struct bankd_client *bc, char **env, int i, size_t max_env) |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 365 | { |
| 366 | struct osmo_st2_cardem_inst *ci = bc->cardem; |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 367 | |
| 368 | if (max_env < 4) |
| 369 | return -ENOSPC; |
| 370 | |
| 371 | env[i++] = talloc_asprintf(env, "REMSIM_USB_PATH=%s", ci->usb_path); |
| 372 | /* TODO: Configuration; Altsetting */ |
| 373 | env[i++] = talloc_asprintf(env, "REMSIM_USB_INTERFACE=%u", bc->cfg->usb.if_num); |
| 374 | |
| 375 | return i; |
| 376 | } |
| 377 | |
| 378 | /* FIXME: This must be cleaned up */ |
| 379 | static struct osmo_st2_transport _transp; |
| 380 | static struct osmo_st2_slot _slot = { |
| 381 | .transp = &_transp, |
| 382 | .slot_nr = 0, |
| 383 | }; |
| 384 | |
| 385 | int client_user_main(struct bankd_client *bc) |
| 386 | { |
| 387 | struct usb_interface_match _ifm, *ifm = &_ifm; |
| 388 | struct osmo_st2_transport *transp; |
| 389 | struct osmo_st2_cardem_inst *ci; |
| 390 | struct client_config *cfg = bc->cfg; |
| 391 | int rc, i; |
| 392 | |
| 393 | rc = osmo_libusb_init(NULL); |
| 394 | if (rc < 0) { |
| 395 | fprintf(stderr, "libusb initialization failed\n"); |
| 396 | return rc; |
| 397 | } |
| 398 | |
| 399 | ci = talloc_zero(bc, struct osmo_st2_cardem_inst); |
| 400 | OSMO_ASSERT(ci); |
| 401 | ci->slot = &_slot; |
| 402 | transp = ci->slot->transp; |
| 403 | ci->priv = bc; |
| 404 | bc->cardem = ci; |
| 405 | |
| 406 | ifm->vendor = cfg->usb.vendor_id; |
| 407 | ifm->product = cfg->usb.product_id; |
| 408 | ifm->configuration = cfg->usb.config_id; |
| 409 | ifm->interface = cfg->usb.if_num; |
| 410 | ifm->altsetting = cfg->usb.altsetting; |
| 411 | ifm->addr = cfg->usb.addr; |
| 412 | if (cfg->usb.path) |
| 413 | osmo_strlcpy(ifm->path, cfg->usb.path, sizeof(ifm->path)); |
Harald Welte | e043826 | 2020-05-25 18:15:15 +0200 | [diff] [blame] | 414 | transp->udp_fd = -1; |
Harald Welte | dd33725 | 2020-05-25 22:38:24 +0200 | [diff] [blame] | 415 | transp->usb_async = true; |
Harald Welte | 0e968cc | 2020-02-22 18:16:16 +0100 | [diff] [blame] | 416 | transp->usb_devh = osmo_libusb_open_claim_interface(NULL, NULL, ifm); |
| 417 | if (!transp->usb_devh) { |
| 418 | fprintf(stderr, "can't open USB device\n"); |
| 419 | return -1; |
| 420 | } |
| 421 | |
| 422 | /* (re)determine the USB path of the opened device */ |
| 423 | talloc_free(ci->usb_path); |
| 424 | ci->usb_path = osmo_libusb_dev_get_path_c(ci, libusb_get_device(transp->usb_devh)); |
| 425 | |
| 426 | rc = libusb_claim_interface(transp->usb_devh, cfg->usb.if_num); |
| 427 | if (rc < 0) { |
| 428 | fprintf(stderr, "can't claim interface %d; rc=%d\n", cfg->usb.if_num, rc); |
| 429 | goto close_exit; |
| 430 | } |
| 431 | |
| 432 | rc = osmo_libusb_get_ep_addrs(transp->usb_devh, cfg->usb.if_num, &transp->usb_ep.out, |
| 433 | &transp->usb_ep.in, &transp->usb_ep.irq_in); |
| 434 | if (rc < 0) { |
| 435 | fprintf(stderr, "can't obtain EP addrs; rc=%d\n", rc); |
| 436 | goto close_exit; |
| 437 | } |
| 438 | |
| 439 | allocate_and_submit_irq(ci); |
| 440 | /* submit multiple IN URB in order to work around OS#4409 */ |
| 441 | for (i = 0; i < 4; i++) |
| 442 | allocate_and_submit_in(ci); |
| 443 | |
| 444 | /* request firmware to generate STATUS on IRQ endpoint */ |
| 445 | osmo_st2_cardem_request_config(ci, CEMU_FEAT_F_STATUS_IRQ); |
| 446 | |
| 447 | while (1) { |
| 448 | osmo_select_main(0); |
| 449 | } |
| 450 | |
| 451 | return 0; |
| 452 | |
| 453 | close_exit: |
| 454 | if (transp->usb_devh) |
| 455 | libusb_close(transp->usb_devh); |
| 456 | osmo_libusb_exit(NULL); |
| 457 | |
| 458 | return -1; |
| 459 | } |