| /* OpenBSC Abis input driver for DAHDI */ |
| |
| /* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org> |
| * (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * (C) 2010 by Digium and Matthew Fredrickson <creslin@digium.com> |
| * |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <time.h> |
| #include <sys/fcntl.h> |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| #include <sys/ioctl.h> |
| #include <arpa/inet.h> |
| #include <mISDNif.h> |
| #include <dahdi/user.h> |
| |
| //#define AF_COMPATIBILITY_FUNC |
| //#include <compat_af_isdn.h> |
| #ifndef AF_ISDN |
| #define AF_ISDN 34 |
| #define PF_ISDN AF_ISDN |
| #endif |
| |
| #include <openbsc/select.h> |
| #include <openbsc/msgb.h> |
| #include <openbsc/debug.h> |
| #include <openbsc/gsm_data.h> |
| #include <openbsc/abis_nm.h> |
| #include <openbsc/abis_rsl.h> |
| #include <openbsc/subchan_demux.h> |
| #include <openbsc/e1_input.h> |
| #include <openbsc/talloc.h> |
| |
| #include "lapd.h" |
| |
| #define TS1_ALLOC_SIZE 300 |
| |
| struct prim_name { |
| unsigned int prim; |
| const char *name; |
| }; |
| |
| const struct prim_name prim_names[] = { |
| { PH_CONTROL_IND, "PH_CONTROL_IND" }, |
| { PH_DATA_IND, "PH_DATA_IND" }, |
| { PH_DATA_CNF, "PH_DATA_CNF" }, |
| { PH_ACTIVATE_IND, "PH_ACTIVATE_IND" }, |
| { DL_ESTABLISH_IND, "DL_ESTABLISH_IND" }, |
| { DL_ESTABLISH_CNF, "DL_ESTABLISH_CNF" }, |
| { DL_RELEASE_IND, "DL_RELEASE_IND" }, |
| { DL_RELEASE_CNF, "DL_RELEASE_CNF" }, |
| { DL_DATA_IND, "DL_DATA_IND" }, |
| { DL_UNITDATA_IND, "DL_UNITDATA_IND" }, |
| { DL_INFORMATION_IND, "DL_INFORMATION_IND" }, |
| { MPH_ACTIVATE_IND, "MPH_ACTIVATE_IND" }, |
| { MPH_DEACTIVATE_IND, "MPH_DEACTIVATE_IND" }, |
| }; |
| |
| const char *get_prim_name(unsigned int prim) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(prim_names); i++) { |
| if (prim_names[i].prim == prim) |
| return prim_names[i].name; |
| } |
| |
| return "UNKNOWN"; |
| } |
| |
| static int handle_ts1_read(struct bsc_fd *bfd) |
| { |
| struct e1inp_line *line = bfd->data; |
| unsigned int ts_nr = bfd->priv_nr; |
| struct e1inp_ts *e1i_ts = &line->ts[ts_nr-1]; |
| struct e1inp_sign_link *link; |
| struct msgb *msg = msgb_alloc(TS1_ALLOC_SIZE, "DAHDI TS1"); |
| struct sockaddr_mISDN l2addr; |
| struct mISDNhead ah; |
| struct mISDNhead *hh = &ah; |
| int ret; |
| |
| if (!msg) |
| return -ENOMEM; |
| |
| hh = (struct mISDNhead *) msg->data; |
| |
| ret = read(bfd->fd, msg->data, TS1_ALLOC_SIZE - 16); |
| if (ret < 0) { |
| perror("read "); |
| } |
| msgb_put(msg, ret - 2); |
| if (ret <= 3) { |
| perror("read "); |
| } |
| |
| l2addr.sapi = msg->data[0] >> 2; |
| l2addr.tei = msg->data[1] >> 1; |
| |
| DEBUGP(DMI, "<= len = %d, sapi(%d) tei(%d)", |
| ret, l2addr.sapi, l2addr.tei); |
| |
| int ilen; |
| lapd_mph_type prim; |
| uint8_t *idata = lapd_receive(msg->data, msg->len, &ilen, &prim, bfd); |
| |
| switch (prim) { |
| case 0: break; |
| case LAPD_MPH_ACTIVATE_IND: hh->prim = MPH_ACTIVATE_IND; break; |
| case LAPD_MPH_DEACTIVATE_IND: hh->prim = MPH_DEACTIVATE_IND; break; |
| case LAPD_DL_DATA_IND: hh->prim = DL_DATA_IND; break; |
| case LAPD_DL_UNITDATA_IND: hh->prim = DL_UNITDATA_IND; break; |
| default: printf("ERROR: unknown prim\n"); |
| }; |
| |
| int pass_on = (prim != 0); |
| |
| if (!pass_on) { |
| return 0; |
| }; |
| |
| //l2addr.sapi = msg->data[0] >> 2; |
| //l2addr.tei = msg->data[1] >> 1; |
| msgb_pull(msg, 2); |
| |
| #if 0 |
| switch (hh->prim) { |
| case DL_INFORMATION_IND: |
| DEBUGP(DMI, "got DL_INFORMATION_IND\n"); |
| struct sockaddr_mISDN *sa = NULL; |
| char *lstr = "UNKN"; |
| |
| switch (l2addr.tei) { |
| case TEI_OML: |
| sa = &e1h->omladdr; |
| lstr = "OML"; |
| break; |
| case TEI_RSL: |
| sa = &e1h->l2addr; |
| lstr = "RSL"; |
| break; |
| default: |
| break; |
| } |
| if (sa) { |
| DEBUGP(DMI, "%s use channel(%d) sapi(%d) tei(%d) for now\n", |
| lstr, l2addr.channel, l2addr.sapi, l2addr.tei); |
| memcpy(sa, &l2addr, sizeof(l2addr)); |
| } |
| break; |
| case DL_ESTABLISH_IND: |
| DEBUGP(DMI, "got DL_ESTABLISH_IND\n"); |
| break; |
| case DL_ESTABLISH_CNF: |
| DEBUGP(DMI, "got DL_ESTABLISH_CNF\n"); |
| break; |
| case DL_RELEASE_IND: |
| DEBUGP(DMI, "got DL_RELEASE_IND: E1 Layer 1 disappeared?\n"); |
| break; |
| #if 0 |
| case MPH_ACTIVATE_IND: |
| DEBUGP(DMI, "got MPH_ACTIVATE_IND\n"); |
| printf("tei %d, sapi %d\n", l2addr.tei, l2addr.sapi); |
| if (l2addr.tei == TEI_OML && l2addr.sapi == SAPI_OML) |
| e1h->cb(EVT_E1_OML_UP, e1h->bts); |
| else if (l2addr.tei == TEI_RSL && l2addr.sapi == SAPI_RSL) |
| e1h->cb(EVT_E1_RSL_UP, e1h->bts); |
| break; |
| case MPH_DEACTIVATE_IND: |
| DEBUGP(DMI, "got MPH_DEACTIVATE_IND: TEI link closed?\n"); |
| if (l2addr.tei == TEI_OML && l2addr.sapi == SAPI_OML) |
| e1h->cb(EVT_E1_OML_DN, e1h->bts); |
| else if (l2addr.tei == TEI_RSL && l2addr.sapi == SAPI_RSL) |
| e1h->cb(EVT_E1_RSL_DN, e1h->bts); |
| break; |
| #endif |
| case DL_DATA_IND: |
| DEBUGP(DMI, "got DL_DATA_IND\n"); |
| |
| ret = msg->len; |
| msg->l2h = msg->data + 2;// + MISDN_HEADER_LEN; |
| |
| #if 0 |
| if (debug_mask & DMI) { |
| fprintf(stdout, "RX: "); |
| hexdump(msgb_l2(msg), ret - (msg->l2h - msg->data));// - MISDN_HEADER_LEN); |
| } |
| #endif |
| switch (l2addr.tei) { |
| case TEI_OML: |
| ret = abis_nm_rcvmsg(msg); |
| break; |
| case TEI_RSL: |
| ret = abis_rsl_rcvmsg(msg); |
| break; |
| default: |
| fprintf(stderr, "DATA_IND for unknown TEI\n"); |
| break; |
| } |
| break; |
| default: |
| DEBUGP(DMI, "got unexpected 0x%x prim\n", hh->prim); |
| break; |
| } |
| #endif |
| |
| |
| |
| DEBUGP(DMI, "hh->prim %08x\n", hh->prim); |
| #if 1 |
| switch (hh->prim) { |
| case DL_INFORMATION_IND: |
| /* mISDN tells us which channel number is allocated for this |
| * tuple of (SAPI, TEI). */ |
| DEBUGP(DMI, "DL_INFORMATION_IND: use channel(%d) sapi(%d) tei(%d) for now\n", |
| l2addr.channel, l2addr.sapi, l2addr.tei); |
| link = e1inp_lookup_sign_link(e1i_ts, l2addr.tei, l2addr.sapi); |
| if (!link) { |
| DEBUGPC(DMI, "mISDN message for unknown sign_link\n"); |
| msgb_free(msg); |
| return -EINVAL; |
| } |
| /* save the channel number in the driver private struct */ |
| link->driver.misdn.channel = l2addr.channel; |
| break; |
| case MPH_ACTIVATE_IND: |
| case DL_ESTABLISH_IND: |
| DEBUGP(DMI, "DL_ESTABLISH_IND: channel(%d) sapi(%d) tei(%d)\n", |
| l2addr.channel, l2addr.sapi, l2addr.tei); |
| ret = e1inp_event(e1i_ts, EVT_E1_TEI_UP, l2addr.tei, l2addr.sapi); |
| break; |
| case DL_RELEASE_IND: |
| DEBUGP(DMI, "DL_RELEASE_IND: channel(%d) sapi(%d) tei(%d)\n", |
| l2addr.channel, l2addr.sapi, l2addr.tei); |
| ret = e1inp_event(e1i_ts, EVT_E1_TEI_DN, l2addr.tei, l2addr.sapi); |
| break; |
| case DL_DATA_IND: |
| case DL_UNITDATA_IND: |
| if (hh->prim == DL_DATA_IND) |
| msg->l2h = msg->data + 2; |
| else |
| msg->l2h = msg->data + 1; |
| DEBUGP(DMI, "RX: %s\n", hexdump(msgb_l2(msg), ret)); |
| ret = e1inp_rx_ts(e1i_ts, msg, l2addr.tei, l2addr.sapi); |
| break; |
| case PH_ACTIVATE_IND: |
| DEBUGP(DMI, "PH_ACTIVATE_IND: channel(%d) sapi(%d) tei(%d)\n", |
| l2addr.channel, l2addr.sapi, l2addr.tei); |
| break; |
| case PH_DEACTIVATE_IND: |
| DEBUGP(DMI, "PH_DEACTIVATE_IND: channel(%d) sapi(%d) tei(%d)\n", |
| l2addr.channel, l2addr.sapi, l2addr.tei); |
| break; |
| default: |
| break; |
| } |
| #endif |
| DEBUGP(DMI, "Returned ok\n"); |
| return ret; |
| } |
| |
| static int ts_want_write(struct e1inp_ts *e1i_ts) |
| { |
| /* We never include the mISDN B-Channel FD into the |
| * writeset, since it doesn't support poll() based |
| * write flow control */ |
| if (e1i_ts->type == E1INP_TS_TYPE_TRAU) { |
| fprintf(stderr, "Trying to write TRAU ts\n"); |
| return 0; |
| } |
| |
| e1i_ts->driver.misdn.fd.when |= BSC_FD_WRITE; |
| |
| return 0; |
| } |
| |
| static void timeout_ts1_write(void *data) |
| { |
| struct e1inp_ts *e1i_ts = (struct e1inp_ts *)data; |
| |
| /* trigger write of ts1, due to tx delay timer */ |
| ts_want_write(e1i_ts); |
| } |
| |
| static void dahdi_write_msg(uint8_t *data, int len, void *cbdata) |
| { |
| struct bsc_fd *bfd = cbdata; |
| int ret; |
| |
| ret = write(bfd->fd, data, len + 2); |
| |
| if (ret < 0) |
| fprintf(stderr, "%s write failed %d\n", __func__, ret); |
| } |
| |
| static int handle_ts1_write(struct bsc_fd *bfd) |
| { |
| struct e1inp_line *line = bfd->data; |
| unsigned int ts_nr = bfd->priv_nr; |
| struct e1inp_ts *e1i_ts = &line->ts[ts_nr-1]; |
| struct e1inp_sign_link *sign_link; |
| struct msgb *msg; |
| //u_int8_t *l2_data; |
| //int ret; |
| //int no_oml = 0; |
| |
| bfd->when &= ~BSC_FD_WRITE; |
| |
| /* get the next msg for this timeslot */ |
| msg = e1inp_tx_ts(e1i_ts, &sign_link); |
| if (!msg) { |
| /* no message after tx delay timer */ |
| return 0; |
| } |
| |
| lapd_transmit(sign_link->tei, msg->data, msg->len, bfd); |
| |
| //ret = write(bfd->fd, msg->data, msg->len + 2); |
| |
| #if 0 |
| if (ret < 0) |
| fprintf(stderr, "%s write failed %d\n", __func__, ret); |
| #endif |
| msgb_free(msg); |
| |
| /* set tx delay timer for next event */ |
| e1i_ts->sign.tx_timer.cb = timeout_ts1_write; |
| e1i_ts->sign.tx_timer.data = e1i_ts; |
| bsc_schedule_timer(&e1i_ts->sign.tx_timer, 0, 50000); |
| |
| return 0; |
| } |
| |
| |
| static int invertbits = 1; |
| |
| static u_int8_t flip_table[256]; |
| |
| static void init_flip_bits(void) |
| { |
| int i,k; |
| |
| for (i = 0 ; i < 256 ; i++) { |
| u_int8_t sample = 0 ; |
| for (k = 0; k<8; k++) { |
| if ( i & 1 << k ) sample |= 0x80 >> k; |
| } |
| flip_table[i] = sample; |
| } |
| } |
| |
| static u_int8_t * flip_buf_bits ( u_int8_t * buf , int len) |
| { |
| int i; |
| char * start = buf; |
| |
| for (i = 0 ; i < len; i++) { |
| buf[i] = flip_table[(u_int8_t)buf[i]]; |
| } |
| |
| return start; |
| } |
| |
| #define D_BCHAN_TX_GRAN 1024 |
| /* write to a B channel TS */ |
| static int handle_tsX_write(struct bsc_fd *bfd) |
| { |
| struct e1inp_line *line = bfd->data; |
| unsigned int ts_nr = bfd->priv_nr; |
| struct e1inp_ts *e1i_ts = &line->ts[ts_nr-1]; |
| u_int8_t tx_buf[D_BCHAN_TX_GRAN]; |
| struct subch_mux *mx = &e1i_ts->trau.mux; |
| int ret; |
| |
| ret = subchan_mux_out(mx, tx_buf, D_BCHAN_TX_GRAN); |
| |
| if (ret != D_BCHAN_TX_GRAN) { |
| fprintf(stderr, "Huh, got ret of %d\n", ret); |
| if (ret < 0) |
| return ret; |
| } |
| |
| DEBUGP(DMIB, "BCHAN TX: %s\n", |
| hexdump(tx_buf, D_BCHAN_TX_GRAN)); |
| |
| if (invertbits) { |
| flip_buf_bits(tx_buf, ret); |
| } |
| |
| ret = write(bfd->fd, tx_buf, ret); |
| if (ret < D_BCHAN_TX_GRAN) |
| fprintf(stderr, "send returns %d instead of %lu\n", ret, |
| D_BCHAN_TX_GRAN); |
| |
| return ret; |
| } |
| |
| #define D_TSX_ALLOC_SIZE 1024 |
| /* FIXME: read from a B channel TS */ |
| static int handle_tsX_read(struct bsc_fd *bfd) |
| { |
| struct e1inp_line *line = bfd->data; |
| unsigned int ts_nr = bfd->priv_nr; |
| struct e1inp_ts *e1i_ts = &line->ts[ts_nr-1]; |
| struct msgb *msg = msgb_alloc(D_TSX_ALLOC_SIZE, "DAHDI TSx"); |
| int ret; |
| |
| if (!msg) |
| return -ENOMEM; |
| |
| ret = read(bfd->fd, msg->data, D_TSX_ALLOC_SIZE); |
| if (ret < 0 || ret != D_TSX_ALLOC_SIZE) { |
| fprintf(stderr, "read error %d %s\n", ret, strerror(errno)); |
| return ret; |
| } |
| |
| if (invertbits) { |
| flip_buf_bits(msg->data, ret); |
| } |
| |
| msgb_put(msg, ret); |
| |
| msg->l2h = msg->data; |
| DEBUGP(DMIB, "BCHAN RX: %s\n", |
| hexdump(msgb_l2(msg), ret)); |
| ret = e1inp_rx_ts(e1i_ts, msg, 0, 0); |
| /* physical layer indicates that data has been sent, |
| * we thus can send some more data */ |
| //ret = handle_tsX_write(bfd); |
| msgb_free(msg); |
| |
| return ret; |
| } |
| |
| /* callback from select.c in case one of the fd's can be read/written */ |
| static int dahdi_fd_cb(struct bsc_fd *bfd, unsigned int what) |
| { |
| struct e1inp_line *line = bfd->data; |
| unsigned int ts_nr = bfd->priv_nr; |
| unsigned int idx = ts_nr-1; |
| struct e1inp_ts *e1i_ts = &line->ts[idx]; |
| int rc = 0; |
| |
| switch (e1i_ts->type) { |
| case E1INP_TS_TYPE_SIGN: |
| if (what & BSC_FD_READ) |
| rc = handle_ts1_read(bfd); |
| if (what & BSC_FD_WRITE) |
| rc = handle_ts1_write(bfd); |
| break; |
| case E1INP_TS_TYPE_TRAU: |
| if (what & BSC_FD_READ) |
| rc = handle_tsX_read(bfd); |
| if (what & BSC_FD_WRITE) |
| rc = handle_tsX_write(bfd); |
| /* We never include the mISDN B-Channel FD into the |
| * writeset, since it doesn't support poll() based |
| * write flow control */ |
| break; |
| default: |
| fprintf(stderr, "unknown E1 TS type %u\n", e1i_ts->type); |
| break; |
| } |
| |
| return rc; |
| } |
| |
| #if 0 |
| static int activate_bchan(struct e1inp_line *line, int ts, int act) |
| { |
| struct mISDNhead hh; |
| int ret; |
| unsigned int idx = ts-1; |
| struct e1inp_ts *e1i_ts = &line->ts[idx]; |
| struct bsc_fd *bfd = &e1i_ts->driver.misdn.fd; |
| |
| fprintf(stdout, "activate bchan\n"); |
| if (act) |
| hh.prim = PH_ACTIVATE_REQ; |
| else |
| hh.prim = PH_DEACTIVATE_REQ; |
| |
| hh.id = MISDN_ID_ANY; |
| ret = sendto(bfd->fd, &hh, sizeof(hh), 0, NULL, 0); |
| if (ret < 0) { |
| fprintf(stdout, "could not send ACTIVATE_RQ %s\n", |
| strerror(errno)); |
| } |
| |
| return ret; |
| } |
| #endif |
| |
| struct e1inp_driver dahdi_driver = { |
| .name = "DAHDI", |
| .want_write = ts_want_write, |
| }; |
| |
| void dahdi_set_bufinfo(int fd, int as_sigchan) |
| { |
| struct dahdi_bufferinfo bi; |
| int x = 0; |
| |
| if (ioctl(fd, DAHDI_GET_BUFINFO, &bi)) { |
| fprintf(stderr, "Error getting bufinfo\n"); |
| exit(-1); |
| } |
| |
| if (as_sigchan) { |
| bi.numbufs = 4; |
| bi.bufsize = 512; |
| } else { |
| bi.numbufs = 4; |
| bi.bufsize = D_BCHAN_TX_GRAN; |
| //bi.txbufpolicy = DAHDI_POLICY_WHEN_FULL; |
| } |
| |
| if (ioctl(fd, DAHDI_SET_BUFINFO, &bi)) { |
| fprintf(stderr, "Error setting bufinfo\n"); |
| exit(-1); |
| } |
| |
| if (!as_sigchan) { |
| if (ioctl(fd, DAHDI_AUDIOMODE, &x)) { |
| fprintf(stderr, "Error setting bufinfo\n"); |
| exit(-1); |
| } |
| } |
| |
| } |
| |
| static int mi_e1_setup(struct e1inp_line *line, int release_l2) |
| { |
| int ts, ret; |
| |
| /* TS0 is CRC4, don't need any fd for it */ |
| for (ts = 1; ts < NUM_E1_TS; ts++) { |
| unsigned int idx = ts-1; |
| char openstr[128]; |
| struct e1inp_ts *e1i_ts = &line->ts[idx]; |
| struct bsc_fd *bfd = &e1i_ts->driver.misdn.fd; |
| |
| bfd->data = line; |
| bfd->priv_nr = ts; |
| bfd->cb = dahdi_fd_cb; |
| snprintf(openstr, sizeof(openstr), "/dev/dahdi/%d", ts); |
| |
| switch (e1i_ts->type) { |
| case E1INP_TS_TYPE_NONE: |
| continue; |
| break; |
| case E1INP_TS_TYPE_SIGN: |
| bfd->fd = open(openstr, O_RDWR | O_NONBLOCK); |
| if (bfd->fd == -1) { |
| fprintf(stderr, "%s could not open %s %s\n", |
| __func__, openstr, strerror(errno)); |
| exit(-1); |
| } |
| bfd->when = BSC_FD_READ; |
| dahdi_set_bufinfo(bfd->fd, 1); |
| break; |
| case E1INP_TS_TYPE_TRAU: |
| bfd->fd = open(openstr, O_RDWR | O_NONBLOCK); |
| if (bfd->fd == -1) { |
| fprintf(stderr, "%s could not open %s %s\n", |
| __func__, openstr, strerror(errno)); |
| exit(-1); |
| } |
| dahdi_set_bufinfo(bfd->fd, 0); |
| /* We never include the mISDN B-Channel FD into the |
| * writeset, since it doesn't support poll() based |
| * write flow control */ |
| bfd->when = BSC_FD_READ | BSC_FD_WRITE; |
| break; |
| } |
| |
| if (bfd->fd < 0) { |
| fprintf(stderr, "%s could not open %s %s\n", |
| __func__, openstr, strerror(errno)); |
| return bfd->fd; |
| } |
| |
| ret = bsc_register_fd(bfd); |
| if (ret < 0) { |
| fprintf(stderr, "could not register FD: %s\n", |
| strerror(ret)); |
| return ret; |
| } |
| } |
| |
| return 0; |
| } |
| |
| int mi_e1_line_update(struct e1inp_line *line) |
| { |
| struct mISDN_devinfo devinfo; |
| //int sk, ret, cnt; |
| int ret; |
| |
| if (!line->driver) { |
| /* this must be the first update */ |
| line->driver = &dahdi_driver; |
| } else { |
| /* this is a subsequent update */ |
| /* FIXME: first close all sockets */ |
| fprintf(stderr, "incremental line updates not supported yet\n"); |
| return 0; |
| } |
| |
| if (line->driver != &dahdi_driver) |
| return -EINVAL; |
| |
| #if 0 |
| /* open the ISDN card device */ |
| sk = socket(PF_ISDN, SOCK_RAW, ISDN_P_BASE); |
| if (sk < 0) { |
| fprintf(stderr, "%s could not open socket %s\n", |
| __func__, strerror(errno)); |
| return sk; |
| } |
| |
| ret = ioctl(sk, IMGETCOUNT, &cnt); |
| if (ret) { |
| fprintf(stderr, "%s error getting interf count: %s\n", |
| __func__, strerror(errno)); |
| close(sk); |
| return -ENODEV; |
| } |
| //DEBUGP(DMI,"%d device%s found\n", cnt, (cnt==1)?"":"s"); |
| printf("%d device%s found\n", cnt, (cnt==1)?"":"s"); |
| #if 1 |
| devinfo.id = line->num; |
| ret = ioctl(sk, IMGETDEVINFO, &devinfo); |
| if (ret < 0) { |
| fprintf(stdout, "error getting info for device %d: %s\n", |
| line->num, strerror(errno)); |
| return -ENODEV; |
| } |
| fprintf(stdout, " id: %d\n", devinfo.id); |
| fprintf(stdout, " Dprotocols: %08x\n", devinfo.Dprotocols); |
| fprintf(stdout, " Bprotocols: %08x\n", devinfo.Bprotocols); |
| fprintf(stdout, " protocol: %d\n", devinfo.protocol); |
| fprintf(stdout, " nrbchan: %d\n", devinfo.nrbchan); |
| fprintf(stdout, " name: %s\n", devinfo.name); |
| #endif |
| |
| if (!(devinfo.Dprotocols & (1 << ISDN_P_NT_E1))) { |
| fprintf(stderr, "error: card is not of type E1 (NT-mode)\n"); |
| return -EINVAL; |
| } |
| #endif |
| init_flip_bits(); |
| |
| ret = mi_e1_setup(line, 1); |
| if (ret) |
| return ret; |
| |
| lapd_transmit_cb = dahdi_write_msg; |
| |
| return 0; |
| } |
| |
| static __attribute__((constructor)) void on_dso_load_sms(void) |
| { |
| /* register the driver with the core */ |
| e1inp_driver_register(&dahdi_driver); |
| } |