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 sockaddr_mISDN sa; struct msgb *msg; struct mISDNhead *hh; u_int8_t *l2_data; int ret; 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; } l2_data = msg->data; /* prepend the mISDNhead */ hh = (struct mISDNhead *) msgb_push(msg, sizeof(*hh)); hh->prim = DL_DATA_REQ; DEBUGP(DMI, "TX channel(%d) TEI(%d) SAPI(%d): %s\n", sign_link->driver.misdn.channel, sign_link->tei, sign_link->sapi, hexdump(l2_data, msg->len - MISDN_HEADER_LEN)); /* construct the sockaddr */ sa.family = AF_ISDN; sa.sapi = sign_link->sapi; sa.dev = sign_link->tei; sa.channel = sign_link->driver.misdn.channel; ret = sendto(bfd->fd, msg->data, msg->len, 0, (struct sockaddr *)&sa, sizeof(sa)); if (ret < 0) fprintf(stderr, "%s sendto failed %d\n", __func__, ret); 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 ret; }
static int __handle_ts1_write(struct osmo_fd *bfd, struct e1inp_line *line) { 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; int ret; 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; } switch (sign_link->type) { case E1INP_SIGN_OML: #ifdef HSL_SR_1_0 /* HSL uses 0x81 for FOM for some reason */ if (msg->data[0] == ABIS_OM_MDISC_FOM) msg->data[0] = ABIS_OM_MDISC_FOM | 0x01; #endif break; case E1INP_SIGN_RSL: break; default: msgb_free(msg); bfd->when |= BSC_FD_WRITE; /* come back for more msg */ return -EINVAL; } msg->l2h = msg->data; ipaccess_prepend_header(msg, sign_link->tei); DEBUGP(DLMI, "TX %u: %s\n", ts_nr, osmo_hexdump(msg->l2h, msgb_l2len(msg))); ret = send(bfd->fd, msg->data, msg->len, 0); 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; /* Reducing this might break the nanoBTS 900 init. */ osmo_timer_schedule(&e1i_ts->sign.tx_timer, 0, e1i_ts->sign.delay); return ret; }