Portability fix: Adding local partial copy of libosmocore (TODO: minimize it)
diff --git a/lib/decoding/osmocom/gsm/gsm48_ie.c b/lib/decoding/osmocom/gsm/gsm48_ie.c
new file mode 100644
index 0000000..3881b18
--- /dev/null
+++ b/lib/decoding/osmocom/gsm/gsm48_ie.c
@@ -0,0 +1,1247 @@
+/*! \file gsm48_ie.c
+ * GSM Mobile Radio Interface Layer 3 messages.
+ * 3GPP TS 04.08 version 7.21.0 Release 1998 / ETSI TS 100 940 V7.21.0. */
+/*
+ * (C) 2008 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2009-2010 by Andreas Eversberg
+ *
+ * All Rights Reserved
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * 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 <stdint.h>
+#include <string.h>
+#include <errno.h>
+
+#include <osmocom/core/utils.h>
+/*#include <osmocom/core/msgb.h>*/
+/* #include <osmocom/gsm/tlv.h> */
+/* #include <osmocom/gsm/mncc.h> */
+#include <osmocom/gsm/protocol/gsm_04_08.h>
+#include <osmocom/gsm/gsm48_ie.h>
+
+/*! \addtogroup gsm0408
+ * @{
+ */
+
+//static const char bcd_num_digits[] = {
+// '0', '1', '2', '3', '4', '5', '6', '7',
+// '8', '9', '*', '#', 'a', 'b', 'c', '\0'
+//};
+
+///*! decode a 'called/calling/connect party BCD number' as in 10.5.4.7
+// * \param[out] Caller-provided output buffer
+// * \param[in] bcd_lv Length-Value portion of to-be-decoded IE
+// * \param[in] h_len Length of an optional heder between L and V portion
+// * \returns - in case of success; negative on error */
+//int gsm48_decode_bcd_number(char *output, int output_len,
+// const uint8_t *bcd_lv, int h_len)
+//{
+// uint8_t in_len = bcd_lv[0];
+// int i;
+
+// for (i = 1 + h_len; i <= in_len; i++) {
+// /* lower nibble */
+// output_len--;
+// if (output_len <= 1)
+// break;
+// *output++ = bcd_num_digits[bcd_lv[i] & 0xf];
+
+// /* higher nibble */
+// output_len--;
+// if (output_len <= 1)
+// break;
+// *output++ = bcd_num_digits[bcd_lv[i] >> 4];
+// }
+// if (output_len >= 1)
+// *output++ = '\0';
+
+// return 0;
+//}
+
+///*! convert a single ASCII character to call-control BCD */
+//static int asc_to_bcd(const char asc)
+//{
+// int i;
+
+// for (i = 0; i < ARRAY_SIZE(bcd_num_digits); i++) {
+// if (bcd_num_digits[i] == asc)
+// return i;
+// }
+// return -EINVAL;
+//}
+
+///*! convert a ASCII phone number to 'called/calling/connect party BCD number'
+// * \param[out] bcd_lv Caller-provided output buffer
+// * \param[in] max_len Maximum Length of \a bcd_lv
+// * \param[in] h_len Length of an optional heder between L and V portion
+// * \param[in] input phone number as 0-terminated ASCII
+// * \returns number of bytes used in \a bcd_lv */
+//int gsm48_encode_bcd_number(uint8_t *bcd_lv, uint8_t max_len,
+// int h_len, const char *input)
+//{
+// int in_len = strlen(input);
+// int i;
+// uint8_t *bcd_cur = bcd_lv + 1 + h_len;
+
+// /* two digits per byte, plus type byte */
+// bcd_lv[0] = in_len/2 + h_len;
+// if (in_len % 2)
+// bcd_lv[0]++;
+
+// if (bcd_lv[0] > max_len)
+// return -EIO;
+
+// for (i = 0; i < in_len; i++) {
+// int rc = asc_to_bcd(input[i]);
+// if (rc < 0)
+// return rc;
+// if (i % 2 == 0)
+// *bcd_cur = rc;
+// else
+// *bcd_cur++ |= (rc << 4);
+// }
+// /* append padding nibble in case of odd length */
+// if (i % 2)
+// *bcd_cur++ |= 0xf0;
+
+// /* return how many bytes we used */
+// return (bcd_cur - bcd_lv);
+//}
+
+///*! Decode TS 04.08 Bearer Capability IE (10.5.4.5)
+// * \param[out] Caller-provided memory for decoded output
+// * \[aram[in] LV portion of TS 04.08 Bearer Capability
+// * \returns 0 on success; negative on error */
+//int gsm48_decode_bearer_cap(struct gsm_mncc_bearer_cap *bcap,
+// const uint8_t *lv)
+//{
+// uint8_t in_len = lv[0];
+// int i, s;
+
+// if (in_len < 1)
+// return -EINVAL;
+
+// bcap->speech_ver[0] = -1; /* end of list, of maximum 7 values */
+
+// /* octet 3 */
+// bcap->transfer = lv[1] & 0x07;
+// bcap->mode = (lv[1] & 0x08) >> 3;
+// bcap->coding = (lv[1] & 0x10) >> 4;
+// bcap->radio = (lv[1] & 0x60) >> 5;
+
+// switch (bcap->transfer) {
+// case GSM_MNCC_BCAP_SPEECH:
+// i = 1;
+// s = 0;
+// while(!(lv[i] & 0x80)) {
+// i++; /* octet 3a etc */
+// if (in_len < i)
+// return 0;
+// bcap->speech_ver[s++] = lv[i] & 0x0f;
+// bcap->speech_ver[s] = -1; /* end of list */
+// if (i == 2) /* octet 3a */
+// bcap->speech_ctm = (lv[i] & 0x20) >> 5;
+// if (s == 7) /* maximum speech versions + end of list */
+// return 0;
+// }
+// break;
+// case GSM_MNCC_BCAP_UNR_DIG:
+// case GSM_MNCC_BCAP_FAX_G3:
+// i = 1;
+// while(!(lv[i] & 0x80)) {
+// i++; /* octet 3a etc */
+// if (in_len < i)
+// return 0;
+// /* ignore them */
+// }
+// /* octet 4: skip */
+// i++;
+// /* octet 5 */
+// i++;
+// if (in_len < i)
+// return 0;
+// bcap->data.rate_adaption = (lv[i] >> 3) & 3;
+// bcap->data.sig_access = lv[i] & 7;
+// while(!(lv[i] & 0x80)) {
+// i++; /* octet 5a etc */
+// if (in_len < i)
+// return 0;
+// /* ignore them */
+// }
+// /* octet 6 */
+// i++;
+// if (in_len < i)
+// return 0;
+// bcap->data.async = lv[i] & 1;
+// if (!(lv[i] & 0x80)) {
+// i++;
+// if (in_len < i)
+// return 0;
+// /* octet 6a */
+// bcap->data.nr_stop_bits = ((lv[i] >> 7) & 1) + 1;
+// if (lv[i] & 0x10)
+// bcap->data.nr_data_bits = 8;
+// else
+// bcap->data.nr_data_bits = 7;
+// bcap->data.user_rate = lv[i] & 0xf;
+
+// if (!(lv[i] & 0x80)) {
+// i++;
+// if (in_len < i)
+// return 0;
+// /* octet 6b */
+// bcap->data.parity = lv[i] & 7;
+// bcap->data.interm_rate = (lv[i] >> 5) & 3;
+
+// /* octet 6c */
+// if (!(lv[i] & 0x80)) {
+// i++;
+// if (in_len < i)
+// return 0;
+// bcap->data.transp = (lv[i] >> 5) & 3;
+// bcap->data.modem_type = lv[i] & 0x1F;
+// }
+// }
+
+// }
+// break;
+// default:
+// i = 1;
+// while (!(lv[i] & 0x80)) {
+// i++; /* octet 3a etc */
+// if (in_len < i)
+// return 0;
+// /* ignore them */
+// }
+// /* FIXME: implement OCTET 4+ parsing */
+// break;
+// }
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 Bearer Capability IE (10.5.4.5)
+// * \param[out] msg Message Buffer to which IE is to be appended
+// * \param[in] lv_only Write only LV portion (1) or TLV (0)
+// * \param[in] bcap Decoded Bearer Capability to be encoded
+// * \returns 0 on success; negative on error */
+//int gsm48_encode_bearer_cap(struct msgb *msg, int lv_only,
+// const struct gsm_mncc_bearer_cap *bcap)
+//{
+// uint8_t lv[32 + 1];
+// int i = 1, s;
+
+// lv[1] = bcap->transfer;
+// lv[1] |= bcap->mode << 3;
+// lv[1] |= bcap->coding << 4;
+// lv[1] |= bcap->radio << 5;
+
+// switch (bcap->transfer) {
+// case GSM_MNCC_BCAP_SPEECH:
+// for (s = 0; bcap->speech_ver[s] >= 0; s++) {
+// i++; /* octet 3a etc */
+// lv[i] = bcap->speech_ver[s];
+// if (i == 2) /* octet 3a */
+// lv[i] |= bcap->speech_ctm << 5;
+// }
+// lv[i] |= 0x80; /* last IE of octet 3 etc */
+// break;
+// case GSM48_BCAP_ITCAP_UNR_DIG_INF:
+// case GSM48_BCAP_ITCAP_FAX_G3:
+// lv[i++] |= 0x80; /* last IE of octet 3 etc */
+// /* octet 4 */
+// lv[i++] = 0xb8;
+// /* octet 5 */
+// lv[i++] = 0x80 | ((bcap->data.rate_adaption & 3) << 3)
+// | (bcap->data.sig_access & 7);
+// /* octet 6 */
+// lv[i++] = 0x20 | (bcap->data.async & 1);
+// /* octet 6a */
+// lv[i++] = (bcap->data.user_rate & 0xf) |
+// (bcap->data.nr_data_bits == 8 ? 0x10 : 0x00) |
+// (bcap->data.nr_stop_bits == 2 ? 0x40 : 0x00);
+// /* octet 6b */
+// lv[i++] = (bcap->data.parity & 7) |
+// ((bcap->data.interm_rate & 3) << 5);
+// /* octet 6c */
+// lv[i] = 0x80 | (bcap->data.modem_type & 0x1f);
+// break;
+// default:
+// return -EINVAL;
+// }
+
+// lv[0] = i;
+// if (lv_only)
+// msgb_lv_put(msg, lv[0], lv+1);
+// else
+// msgb_tlv_put(msg, GSM48_IE_BEARER_CAP, lv[0], lv+1);
+
+// return 0;
+//}
+
+///*! Decode TS 04.08 Call Control Capabilities IE (10.5.4.5a)
+// * \param[out] Caller-provided memory for decoded CC capabilities
+// * \param[in] lv Length-Value of IE
+// * \retursns 0 on success; negative on error */
+//int gsm48_decode_cccap(struct gsm_mncc_cccap *ccap, const uint8_t *lv)
+//{
+// uint8_t in_len = lv[0];
+
+// if (in_len < 1)
+// return -EINVAL;
+
+// /* octet 3 */
+// ccap->dtmf = lv[1] & 0x01;
+// ccap->pcp = (lv[1] & 0x02) >> 1;
+
+// return 0;
+//}
+
+///*! Encodoe TS 04.08 Call Control Capabilities (10.5.4.5a)
+// * \param[out] msg Message Buffer to which to append IE (as TLV)
+// * \param[in] ccap Decoded CC Capabilities to be encoded
+// * \returns 0 on success; negative on error */
+//int gsm48_encode_cccap(struct msgb *msg,
+// const struct gsm_mncc_cccap *ccap)
+//{
+// uint8_t lv[2];
+
+// lv[0] = 1;
+// lv[1] = 0;
+// if (ccap->dtmf)
+// lv [1] |= 0x01;
+// if (ccap->pcp)
+// lv [1] |= 0x02;
+
+// msgb_tlv_put(msg, GSM48_IE_CC_CAP, lv[0], lv+1);
+
+// return 0;
+//}
+
+///*! Decode TS 04.08 Called Party BCD Number IE (10.5.4.7)
+// * \param[out] called Caller-provided memory for decoded number
+// * \param[in] lv Length-Value portion of IE
+// * \returns 0 on success; negative on error */
+//int gsm48_decode_called(struct gsm_mncc_number *called,
+// const uint8_t *lv)
+//{
+// uint8_t in_len = lv[0];
+
+// if (in_len < 1)
+// return -EINVAL;
+
+// /* octet 3 */
+// called->plan = lv[1] & 0x0f;
+// called->type = (lv[1] & 0x70) >> 4;
+
+// /* octet 4..N */
+// gsm48_decode_bcd_number(called->number, sizeof(called->number), lv, 1);
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 Called Party IE (10.5.4.7)
+// * \param[out] msg Mesage Buffer to which to append IE (as TLV)
+// * \param[in] called MNCC Number to encode/append
+// * \returns 0 on success; negative on error */
+//int gsm48_encode_called(struct msgb *msg,
+// const struct gsm_mncc_number *called)
+//{
+// uint8_t lv[18];
+// int ret;
+
+// /* octet 3 */
+// lv[1] = 0x80; /* no extension */
+// lv[1] |= called->plan;
+// lv[1] |= called->type << 4;
+
+// /* octet 4..N, octet 2 */
+// ret = gsm48_encode_bcd_number(lv, sizeof(lv), 1, called->number);
+// if (ret < 0)
+// return ret;
+
+// msgb_tlv_put(msg, GSM48_IE_CALLED_BCD, lv[0], lv+1);
+
+// return 0;
+//}
+
+///*! Decode TS 04.08 Caller ID
+// * \param[out] called Caller-provided memory for decoded number
+// * \param[in] lv Length-Value portion of IE
+// * \returns 0 on success; negative on error */
+//int gsm48_decode_callerid(struct gsm_mncc_number *callerid,
+// const uint8_t *lv)
+//{
+// uint8_t in_len = lv[0];
+// int i = 1;
+
+// if (in_len < 1)
+// return -EINVAL;
+
+// /* octet 3 */
+// callerid->plan = lv[1] & 0x0f;
+// callerid->type = (lv[1] & 0x70) >> 4;
+
+// /* octet 3a */
+// if (!(lv[1] & 0x80)) {
+// callerid->screen = lv[2] & 0x03;
+// callerid->present = (lv[2] & 0x60) >> 5;
+// i = 2;
+// }
+
+// /* octet 4..N */
+// gsm48_decode_bcd_number(callerid->number, sizeof(callerid->number), lv, i);
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 Caller ID IE
+// * \param[out] msg Mesage Buffer to which to append IE (as TLV)
+// * \param[in] ie IE Identifier (tag)
+// * \param[in] max_len maximum generated output in bytes
+// * \param[in] callerid MNCC Number to encode/append
+// * \returns 0 on success; negative on error */
+//int gsm48_encode_callerid(struct msgb *msg, int ie, int max_len,
+// const struct gsm_mncc_number *callerid)
+//{
+// uint8_t * lv = malloc(sizeof(uint8_t)*(max_len - 1));
+// int h_len = 1;
+// int ret;
+
+// /* octet 3 */
+// lv[1] = callerid->plan;
+// lv[1] |= callerid->type << 4;
+
+// if (callerid->present || callerid->screen) {
+// /* octet 3a */
+// lv[2] = callerid->screen;
+// lv[2] |= callerid->present << 5;
+// lv[2] |= 0x80;
+// h_len++;
+// } else
+// lv[1] |= 0x80;
+
+// /* octet 4..N, octet 2 */
+// ret = gsm48_encode_bcd_number(lv, sizeof(lv), h_len, callerid->number);
+// if (ret < 0)
+// return ret;
+
+// msgb_tlv_put(msg, ie, lv[0], lv+1);
+// free(lv);
+// return 0;
+//}
+
+///*! Decode TS 04.08 Cause IE (10.5.4.11)
+// * \param[out] cause Caller-provided memory for output
+// * \param[in] lv LV portion of Cause IE
+// * \returns 0 on success; negative on error */
+//int gsm48_decode_cause(struct gsm_mncc_cause *cause,
+// const uint8_t *lv)
+//{
+// uint8_t in_len = lv[0];
+// int i;
+
+// if (in_len < 2)
+// return -EINVAL;
+
+// cause->diag_len = 0;
+
+// /* octet 3 */
+// cause->location = lv[1] & 0x0f;
+// cause->coding = (lv[1] & 0x60) >> 5;
+
+// i = 1;
+// if (!(lv[i] & 0x80)) {
+// i++; /* octet 3a */
+// if (in_len < i+1)
+// return 0;
+// cause->rec = 1;
+// cause->rec_val = lv[i] & 0x7f;
+// }
+// i++;
+
+// /* octet 4 */
+// cause->value = lv[i] & 0x7f;
+// i++;
+
+// if (in_len < i) /* no diag */
+// return 0;
+
+// if (in_len - (i-1) > 32) /* maximum 32 octets */
+// return 0;
+
+// /* octet 5-N */
+// memcpy(cause->diag, lv + i, in_len - (i-1));
+// cause->diag_len = in_len - (i-1);
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 Cause IE (10.5.4.11)
+// * \param[out] msg Message Buffer to which to append IE
+// * \param[in] lv_only Encode as LV (1) or TLV (0)
+// * \param[in] cause Cause value to be encoded
+// * \returns 0 on success; negative on error */
+//int gsm48_encode_cause(struct msgb *msg, int lv_only,
+// const struct gsm_mncc_cause *cause)
+//{
+// uint8_t lv[32+4];
+// int i;
+
+// if (cause->diag_len > 32)
+// return -EINVAL;
+
+// /* octet 3 */
+// lv[1] = cause->location;
+// lv[1] |= cause->coding << 5;
+
+// i = 1;
+// if (cause->rec) {
+// i++; /* octet 3a */
+// lv[i] = cause->rec_val;
+// }
+// lv[i] |= 0x80; /* end of octet 3 */
+
+// /* octet 4 */
+// i++;
+// lv[i] = 0x80 | cause->value;
+
+// /* octet 5-N */
+// if (cause->diag_len) {
+// memcpy(lv + i, cause->diag, cause->diag_len);
+// i += cause->diag_len;
+// }
+
+// lv[0] = i;
+// if (lv_only)
+// msgb_lv_put(msg, lv[0], lv+1);
+// else
+// msgb_tlv_put(msg, GSM48_IE_CAUSE, lv[0], lv+1);
+
+// return 0;
+//}
+
+///*! Decode TS 04.08 Calling Number IE (10.5.4.9) */
+//int gsm48_decode_calling(struct gsm_mncc_number *calling,
+// const uint8_t *lv)
+//{
+// return gsm48_decode_callerid(calling, lv);
+//}
+
+///*! Encode TS 04.08 Calling Number IE (10.5.4.9) */
+//int gsm48_encode_calling(struct msgb *msg,
+// const struct gsm_mncc_number *calling)
+//{
+// return gsm48_encode_callerid(msg, GSM48_IE_CALLING_BCD, 14, calling);
+//}
+
+///*! Decode TS 04.08 Connected Number IE (10.5.4.13) */
+//int gsm48_decode_connected(struct gsm_mncc_number *connected,
+// const uint8_t *lv)
+//{
+// return gsm48_decode_callerid(connected, lv);
+//}
+
+///*! Encode TS 04.08 Connected Number IE (10.5.4.13) */
+//int gsm48_encode_connected(struct msgb *msg,
+// const struct gsm_mncc_number *connected)
+//{
+// return gsm48_encode_callerid(msg, GSM48_IE_CONN_BCD, 14, connected);
+//}
+
+///*! Decode TS 04.08 Redirecting Number IE (10.5.4.21b) */
+//int gsm48_decode_redirecting(struct gsm_mncc_number *redirecting,
+// const uint8_t *lv)
+//{
+// return gsm48_decode_callerid(redirecting, lv);
+//}
+
+///*! Encode TS 04.08 Redirecting Number IE (10.5.4.21b) */
+//int gsm48_encode_redirecting(struct msgb *msg,
+// const struct gsm_mncc_number *redirecting)
+//{
+// return gsm48_encode_callerid(msg, GSM48_IE_REDIR_BCD, 19, redirecting);
+//}
+
+///*! Decode TS 04.08 Facility IE (10.5.4.15) */
+//int gsm48_decode_facility(struct gsm_mncc_facility *facility,
+// const uint8_t *lv)
+//{
+// uint8_t in_len = lv[0];
+
+// if (in_len < 1)
+// return -EINVAL;
+
+// if (in_len > sizeof(facility->info))
+// return -EINVAL;
+
+// memcpy(facility->info, lv+1, in_len);
+// facility->len = in_len;
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 Facility IE (10.5.4.15) */
+//int gsm48_encode_facility(struct msgb *msg, int lv_only,
+// const struct gsm_mncc_facility *facility)
+//{
+// uint8_t lv[GSM_MAX_FACILITY + 1];
+
+// if (facility->len < 1 || facility->len > GSM_MAX_FACILITY)
+// return -EINVAL;
+
+// memcpy(lv+1, facility->info, facility->len);
+// lv[0] = facility->len;
+// if (lv_only)
+// msgb_lv_put(msg, lv[0], lv+1);
+// else
+// msgb_tlv_put(msg, GSM48_IE_FACILITY, lv[0], lv+1);
+
+// return 0;
+//}
+
+///*! Decode TS 04.08 Notify IE (10.5.4.20) */
+//int gsm48_decode_notify(int *notify, const uint8_t *v)
+//{
+// *notify = v[0] & 0x7f;
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 Notify IE (10.5.4.20) */
+//int gsm48_encode_notify(struct msgb *msg, int notify)
+//{
+// msgb_v_put(msg, notify | 0x80);
+
+// return 0;
+//}
+
+///*! Decode TS 04.08 Signal IE (10.5.4.23) */
+//int gsm48_decode_signal(int *signal, const uint8_t *v)
+//{
+// *signal = v[0];
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 Signal IE (10.5.4.23) */
+//int gsm48_encode_signal(struct msgb *msg, int signal)
+//{
+// msgb_tv_put(msg, GSM48_IE_SIGNAL, signal);
+
+// return 0;
+//}
+
+///*! Decode TS 04.08 Keypad IE (10.5.4.17) */
+//int gsm48_decode_keypad(int *keypad, const uint8_t *lv)
+//{
+// uint8_t in_len = lv[0];
+
+// if (in_len < 1)
+// return -EINVAL;
+
+// *keypad = lv[1] & 0x7f;
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 Keypad IE (10.5.4.17) */
+//int gsm48_encode_keypad(struct msgb *msg, int keypad)
+//{
+// msgb_tv_put(msg, GSM48_IE_KPD_FACILITY, keypad);
+
+// return 0;
+//}
+
+///*! Decode TS 04.08 Progress IE (10.5.4.21) */
+//int gsm48_decode_progress(struct gsm_mncc_progress *progress,
+// const uint8_t *lv)
+//{
+// uint8_t in_len = lv[0];
+
+// if (in_len < 2)
+// return -EINVAL;
+
+// progress->coding = (lv[1] & 0x60) >> 5;
+// progress->location = lv[1] & 0x0f;
+// progress->descr = lv[2] & 0x7f;
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 Progress IE (10.5.4.21) */
+//int gsm48_encode_progress(struct msgb *msg, int lv_only,
+// const struct gsm_mncc_progress *p)
+//{
+// uint8_t lv[3];
+
+// lv[0] = 2;
+// lv[1] = 0x80 | ((p->coding & 0x3) << 5) | (p->location & 0xf);
+// lv[2] = 0x80 | (p->descr & 0x7f);
+// if (lv_only)
+// msgb_lv_put(msg, lv[0], lv+1);
+// else
+// msgb_tlv_put(msg, GSM48_IE_PROGR_IND, lv[0], lv+1);
+
+// return 0;
+//}
+
+///*! Decode TS 04.08 User-User IE (10.5.4.25) */
+//int gsm48_decode_useruser(struct gsm_mncc_useruser *uu,
+// const uint8_t *lv)
+//{
+// uint8_t in_len = lv[0];
+// char *info = uu->info;
+// int info_len = sizeof(uu->info);
+// int i;
+
+// if (in_len < 1)
+// return -EINVAL;
+
+// uu->proto = lv[1];
+
+// for (i = 2; i <= in_len; i++) {
+// info_len--;
+// if (info_len <= 1)
+// break;
+// *info++ = lv[i];
+// }
+// if (info_len >= 1)
+// *info++ = '\0';
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 User-User IE (10.5.4.25) */
+//int gsm48_encode_useruser(struct msgb *msg, int lv_only,
+// const struct gsm_mncc_useruser *uu)
+//{
+// uint8_t lv[GSM_MAX_USERUSER + 2];
+
+// if (strlen(uu->info) > GSM_MAX_USERUSER)
+// return -EINVAL;
+
+// lv[0] = 1 + strlen(uu->info);
+// lv[1] = uu->proto;
+// memcpy(lv + 2, uu->info, strlen(uu->info));
+// if (lv_only)
+// msgb_lv_put(msg, lv[0], lv+1);
+// else
+// msgb_tlv_put(msg, GSM48_IE_USER_USER, lv[0], lv+1);
+
+// return 0;
+//}
+
+///*! Decode TS 04.08 SS Version IE (10.5.4.24) */
+//int gsm48_decode_ssversion(struct gsm_mncc_ssversion *ssv,
+// const uint8_t *lv)
+//{
+// uint8_t in_len = lv[0];
+
+// if (in_len < 1 || in_len < sizeof(ssv->info))
+// return -EINVAL;
+
+// memcpy(ssv->info, lv + 1, in_len);
+// ssv->len = in_len;
+
+// return 0;
+//}
+
+///*! Encode TS 04.08 SS Version IE (10.5.4.24) */
+//int gsm48_encode_ssversion(struct msgb *msg,
+// const struct gsm_mncc_ssversion *ssv)
+//{
+// uint8_t lv[GSM_MAX_SSVERSION + 1];
+
+// if (ssv->len > GSM_MAX_SSVERSION)
+// return -EINVAL;
+
+// lv[0] = ssv->len;
+// memcpy(lv + 1, ssv->info, ssv->len);
+// msgb_tlv_put(msg, GSM48_IE_SS_VERS, lv[0], lv+1);
+
+// return 0;
+//}
+
+///* decode 'more data' does not require a function, because it has no value */
+
+///*! Encode TS 04.08 More Data IE (10.5.4.19) */
+//int gsm48_encode_more(struct msgb *msg)
+//{
+// uint8_t *ie;
+
+// ie = msgb_put(msg, 1);
+// ie[0] = GSM48_IE_MORE_DATA;
+
+// return 0;
+//}
+
+static int32_t smod(int32_t n, int32_t m)
+{
+ int32_t res;
+
+ res = n % m;
+
+ if (res <= 0)
+ res += m;
+
+ return res;
+}
+
+/*! Decode TS 04.08 Cell Channel Description IE (10.5.2.1b) and other frequency lists
+ * \param[out] f Caller-provided output memory
+ * \param[in] cd Cell Channel Description IE
+ * \param[in] len Length of \a cd in bytes
+ * \returns 0 on success; negative on error */
+int gsm48_decode_freq_list(struct gsm_sysinfo_freq *f, uint8_t *cd,
+ uint8_t len, uint8_t mask, uint8_t frqt)
+{
+ int i;
+
+ /* NOTES:
+ *
+ * The Range format uses "SMOD" computation.
+ * e.g. "n SMOD m" equals "((n - 1) % m) + 1"
+ * A cascade of multiple SMOD computations is simpified:
+ * "(n SMOD m) SMOD o" equals "(((n - 1) % m) % o) + 1"
+ *
+ * The Range format uses 16 octets of data in SYSTEM INFORMATION.
+ * When used in dedicated messages, the length can be less.
+ * In this case the ranges are decoded for all frequencies that
+ * fit in the block of given length.
+ */
+
+ /* tabula rasa */
+ for (i = 0; i < 1024; i++)
+ f[i].mask &= ~frqt;
+
+ /* 00..XXX. */
+ if ((cd[0] & 0xc0 & mask) == 0x00) {
+ /* Bit map 0 format */
+ if (len < 16)
+ return -EINVAL;
+ for (i = 1; i <= 124; i++)
+ if ((cd[15 - ((i-1) >> 3)] & (1 << ((i-1) & 7))))
+ f[i].mask |= frqt;
+
+ return 0;
+ }
+
+ /* 10..0XX. */
+ if ((cd[0] & 0xc8 & mask) == 0x80) {
+ /* Range 1024 format */
+ uint16_t w[17]; /* 1..16 */
+ struct gsm48_range_1024 *r = (struct gsm48_range_1024 *)cd;
+
+ if (len < 2)
+ return -EINVAL;
+ memset(w, 0, sizeof(w));
+ if (r->f0)
+ f[0].mask |= frqt;
+ w[1] = (r->w1_hi << 8) | r->w1_lo;
+ if (len >= 4)
+ w[2] = (r->w2_hi << 1) | r->w2_lo;
+ if (len >= 5)
+ w[3] = (r->w3_hi << 2) | r->w3_lo;
+ if (len >= 6)
+ w[4] = (r->w4_hi << 2) | r->w4_lo;
+ if (len >= 7)
+ w[5] = (r->w5_hi << 2) | r->w5_lo;
+ if (len >= 8)
+ w[6] = (r->w6_hi << 2) | r->w6_lo;
+ if (len >= 9)
+ w[7] = (r->w7_hi << 2) | r->w7_lo;
+ if (len >= 10)
+ w[8] = (r->w8_hi << 1) | r->w8_lo;
+ if (len >= 10)
+ w[9] = r->w9;
+ if (len >= 11)
+ w[10] = r->w10;
+ if (len >= 12)
+ w[11] = (r->w11_hi << 6) | r->w11_lo;
+ if (len >= 13)
+ w[12] = (r->w12_hi << 5) | r->w12_lo;
+ if (len >= 14)
+ w[13] = (r->w13_hi << 4) | r->w13_lo;
+ if (len >= 15)
+ w[14] = (r->w14_hi << 3) | r->w14_lo;
+ if (len >= 16)
+ w[15] = (r->w15_hi << 2) | r->w15_lo;
+ if (len >= 16)
+ w[16] = r->w16;
+ if (w[1])
+ f[w[1]].mask |= frqt;
+ if (w[2])
+ f[smod(w[1] - 512 + w[2], 1023)].mask |= frqt;
+ if (w[3])
+ f[smod(w[1] + w[3], 1023)].mask |= frqt;
+ if (w[4])
+ f[smod(w[1] - 512 + smod(w[2] - 256 + w[4], 511), 1023)].mask |= frqt;
+ if (w[5])
+ f[smod(w[1] + smod(w[3] - 256 + w[5], 511), 1023)].mask |= frqt;
+ if (w[6])
+ f[smod(w[1] - 512 + smod(w[2] + w[6], 511), 1023)].mask |= frqt;
+ if (w[7])
+ f[smod(w[1] + smod(w[3] + w[7], 511), 1023)].mask |= frqt;
+ if (w[8])
+ f[smod(w[1] - 512 + smod(w[2] - 256 + smod(w[4] - 128 + w[8] , 255), 511), 1023)].mask |= frqt;
+ if (w[9])
+ f[smod(w[1] + smod(w[3] - 256 + smod(w[5] - 128 + w[9] , 255), 511), 1023)].mask |= frqt;
+ if (w[10])
+ f[smod(w[1] - 512 + smod(w[2] + smod(w[6] - 128 + w[10], 255), 511), 1023)].mask |= frqt;
+ if (w[11])
+ f[smod(w[1] + smod(w[3] + smod(w[7] - 128 + w[11], 255), 511), 1023)].mask |= frqt;
+ if (w[12])
+ f[smod(w[1] - 512 + smod(w[2] - 256 + smod(w[4] + w[12], 255), 511), 1023)].mask |= frqt;
+ if (w[13])
+ f[smod(w[1] + smod(w[3] - 256 + smod(w[5] + w[13], 255), 511), 1023)].mask |= frqt;
+ if (w[14])
+ f[smod(w[1] - 512 + smod(w[2] + smod(w[6] + w[14], 255), 511), 1023)].mask |= frqt;
+ if (w[15])
+ f[smod(w[1] + smod(w[3] + smod(w[7] + w[15], 255), 511), 1023)].mask |= frqt;
+ if (w[16])
+ f[smod(w[1] - 512 + smod(w[2] - 256 + smod(w[4] - 128 + smod(w[8] - 64 + w[16], 127), 255), 511), 1023)].mask |= frqt;
+
+ return 0;
+ }
+ /* 10..100. */
+ if ((cd[0] & 0xce & mask) == 0x88) {
+ /* Range 512 format */
+ uint16_t w[18]; /* 1..17 */
+ struct gsm48_range_512 *r = (struct gsm48_range_512 *)cd;
+
+ if (len < 4)
+ return -EINVAL;
+ memset(w, 0, sizeof(w));
+ w[0] = (r->orig_arfcn_hi << 9) | (r->orig_arfcn_mid << 1) | r->orig_arfcn_lo;
+ w[1] = (r->w1_hi << 2) | r->w1_lo;
+ if (len >= 5)
+ w[2] = (r->w2_hi << 2) | r->w2_lo;
+ if (len >= 6)
+ w[3] = (r->w3_hi << 2) | r->w3_lo;
+ if (len >= 7)
+ w[4] = (r->w4_hi << 1) | r->w4_lo;
+ if (len >= 7)
+ w[5] = r->w5;
+ if (len >= 8)
+ w[6] = r->w6;
+ if (len >= 9)
+ w[7] = (r->w7_hi << 6) | r->w7_lo;
+ if (len >= 10)
+ w[8] = (r->w8_hi << 4) | r->w8_lo;
+ if (len >= 11)
+ w[9] = (r->w9_hi << 2) | r->w9_lo;
+ if (len >= 11)
+ w[10] = r->w10;
+ if (len >= 12)
+ w[11] = r->w11;
+ if (len >= 13)
+ w[12] = (r->w12_hi << 4) | r->w12_lo;
+ if (len >= 14)
+ w[13] = (r->w13_hi << 2) | r->w13_lo;
+ if (len >= 14)
+ w[14] = r->w14;
+ if (len >= 15)
+ w[15] = r->w15;
+ if (len >= 16)
+ w[16] = (r->w16_hi << 3) | r->w16_lo;
+ if (len >= 16)
+ w[17] = r->w17;
+ f[w[0]].mask |= frqt;
+ if (w[1])
+ f[(w[0] + w[1]) % 1024].mask |= frqt;
+ if (w[2])
+ f[(w[0] + smod(w[1] - 256 + w[2], 511)) % 1024].mask |= frqt;
+ if (w[3])
+ f[(w[0] + smod(w[1] + w[3], 511)) % 1024].mask |= frqt;
+ if (w[4])
+ f[(w[0] + smod(w[1] - 256 + smod(w[2] - 128 + w[4], 255), 511)) % 1024].mask |= frqt;
+ if (w[5])
+ f[(w[0] + smod(w[1] + smod(w[3] - 128 + w[5], 255), 511)) % 1024].mask |= frqt;
+ if (w[6])
+ f[(w[0] + smod(w[1] - 256 + smod(w[2] + w[6], 255), 511)) % 1024].mask |= frqt;
+ if (w[7])
+ f[(w[0] + smod(w[1] + smod(w[3] + w[7], 255), 511)) % 1024].mask |= frqt;
+ if (w[8])
+ f[(w[0] + smod(w[1] - 256 + smod(w[2] - 128 + smod(w[4] - 64 + w[8] , 127), 255), 511)) % 1024].mask |= frqt;
+ if (w[9])
+ f[(w[0] + smod(w[1] + smod(w[3] - 128 + smod(w[5] - 64 + w[9] , 127), 255), 511)) % 1024].mask |= frqt;
+ if (w[10])
+ f[(w[0] + smod(w[1] - 256 + smod(w[2] + smod(w[6] - 64 + w[10], 127), 255), 511)) % 1024].mask |= frqt;
+ if (w[11])
+ f[(w[0] + smod(w[1] + smod(w[3] + smod(w[7] - 64 + w[11], 127), 255), 511)) % 1024].mask |= frqt;
+ if (w[12])
+ f[(w[0] + smod(w[1] - 256 + smod(w[2] - 128 + smod(w[4] + w[12], 127), 255), 511)) % 1024].mask |= frqt;
+ if (w[13])
+ f[(w[0] + smod(w[1] + smod(w[3] - 128 + smod(w[5] + w[13], 127), 255), 511)) % 1024].mask |= frqt;
+ if (w[14])
+ f[(w[0] + smod(w[1] - 256 + smod(w[2] + smod(w[6] + w[14], 127), 255), 511)) % 1024].mask |= frqt;
+ if (w[15])
+ f[(w[0] + smod(w[1] + smod(w[3] + smod(w[7] + w[15], 127), 255), 511)) % 1024].mask |= frqt;
+ if (w[16])
+ f[(w[0] + smod(w[1] - 256 + smod(w[2] - 128 + smod(w[4] - 64 + smod(w[8] - 32 + w[16], 63), 127), 255), 511)) % 1024].mask |= frqt;
+ if (w[17])
+ f[(w[0] + smod(w[1] + smod(w[3] - 128 + smod(w[5] - 64 + smod(w[9] - 32 + w[17], 63), 127), 255), 511)) % 1024].mask |= frqt;
+
+ return 0;
+ }
+ /* 10..101. */
+ if ((cd[0] & 0xce & mask) == 0x8a) {
+ /* Range 256 format */
+ uint16_t w[22]; /* 1..21 */
+ struct gsm48_range_256 *r = (struct gsm48_range_256 *)cd;
+
+ if (len < 4)
+ return -EINVAL;
+ memset(w, 0, sizeof(w));
+ w[0] = (r->orig_arfcn_hi << 9) | (r->orig_arfcn_mid << 1) | r->orig_arfcn_lo;
+ w[1] = (r->w1_hi << 1) | r->w1_lo;
+ if (len >= 4)
+ w[2] = r->w2;
+ if (len >= 5)
+ w[3] = r->w3;
+ if (len >= 6)
+ w[4] = (r->w4_hi << 5) | r->w4_lo;
+ if (len >= 7)
+ w[5] = (r->w5_hi << 3) | r->w5_lo;
+ if (len >= 8)
+ w[6] = (r->w6_hi << 1) | r->w6_lo;
+ if (len >= 8)
+ w[7] = r->w7;
+ if (len >= 9)
+ w[8] = (r->w8_hi << 4) | r->w8_lo;
+ if (len >= 10)
+ w[9] = (r->w9_hi << 1) | r->w9_lo;
+ if (len >= 10)
+ w[10] = r->w10;
+ if (len >= 11)
+ w[11] = (r->w11_hi << 3) | r->w11_lo;
+ if (len >= 11)
+ w[12] = r->w12;
+ if (len >= 12)
+ w[13] = r->w13;
+ if (len >= 13)
+ w[14] = (r->w14_hi << 2) | r->w14_lo;
+ if (len >= 13)
+ w[15] = r->w15;
+ if (len >= 14)
+ w[16] = (r->w16_hi << 3) | r->w16_lo;
+ if (len >= 14)
+ w[17] = r->w17;
+ if (len >= 15)
+ w[18] = (r->w18_hi << 3) | r->w18_lo;
+ if (len >= 15)
+ w[19] = r->w19;
+ if (len >= 16)
+ w[20] = (r->w20_hi << 3) | r->w20_lo;
+ if (len >= 16)
+ w[21] = r->w21;
+ f[w[0]].mask |= frqt;
+ if (w[1])
+ f[(w[0] + w[1]) % 1024].mask |= frqt;
+ if (w[2])
+ f[(w[0] + smod(w[1] - 128 + w[2], 255)) % 1024].mask |= frqt;
+ if (w[3])
+ f[(w[0] + smod(w[1] + w[3], 255)) % 1024].mask |= frqt;
+ if (w[4])
+ f[(w[0] + smod(w[1] - 128 + smod(w[2] - 64 + w[4], 127), 255)) % 1024].mask |= frqt;
+ if (w[5])
+ f[(w[0] + smod(w[1] + smod(w[3] - 64 + w[5], 127), 255)) % 1024].mask |= frqt;
+ if (w[6])
+ f[(w[0] + smod(w[1] - 128 + smod(w[2] + w[6], 127), 255)) % 1024].mask |= frqt;
+ if (w[7])
+ f[(w[0] + smod(w[1] + smod(w[3] + w[7], 127), 255)) % 1024].mask |= frqt;
+ if (w[8])
+ f[(w[0] + smod(w[1] - 128 + smod(w[2] - 64 + smod(w[4] - 32 + w[8] , 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[9])
+ f[(w[0] + smod(w[1] + smod(w[3] - 64 + smod(w[5] - 32 + w[9] , 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[10])
+ f[(w[0] + smod(w[1] - 128 + smod(w[2] + smod(w[6] - 32 + w[10], 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[11])
+ f[(w[0] + smod(w[1] + smod(w[3] + smod(w[7] - 32 + w[11], 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[12])
+ f[(w[0] + smod(w[1] - 128 + smod(w[2] - 64 + smod(w[4] + w[12], 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[13])
+ f[(w[0] + smod(w[1] + smod(w[3] - 64 + smod(w[5] + w[13], 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[14])
+ f[(w[0] + smod(w[1] - 128 + smod(w[2] + smod(w[6] + w[14], 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[15])
+ f[(w[0] + smod(w[1] + smod(w[3] + smod(w[7] + w[15], 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[16])
+ f[(w[0] + smod(w[1] - 128 + smod(w[2] - 64 + smod(w[4] - 32 + smod(w[8] - 16 + w[16], 31), 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[17])
+ f[(w[0] + smod(w[1] + smod(w[3] - 64 + smod(w[5] - 32 + smod(w[9] - 16 + w[17], 31), 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[18])
+ f[(w[0] + smod(w[1] - 128 + smod(w[2] + smod(w[6] - 32 + smod(w[10] - 16 + w[18], 31), 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[19])
+ f[(w[0] + smod(w[1] + smod(w[3] + smod(w[7] - 32 + smod(w[11] - 16 + w[19], 31), 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[20])
+ f[(w[0] + smod(w[1] - 128 + smod(w[2] - 64 + smod(w[4] + smod(w[12] - 16 + w[20], 31), 63), 127), 255)) % 1024].mask |= frqt;
+ if (w[21])
+ f[(w[0] + smod(w[1] + smod(w[3] - 64 + smod(w[5] + smod(w[13] - 16 + w[21], 31), 63), 127), 255)) % 1024].mask |= frqt;
+
+ return 0;
+ }
+ /* 10..110. */
+ if ((cd[0] & 0xce & mask) == 0x8c) {
+ /* Range 128 format */
+ uint16_t w[29]; /* 1..28 */
+ struct gsm48_range_128 *r = (struct gsm48_range_128 *)cd;
+
+ if (len < 3)
+ return -EINVAL;
+ memset(w, 0, sizeof(w));
+ w[0] = (r->orig_arfcn_hi << 9) | (r->orig_arfcn_mid << 1) | r->orig_arfcn_lo;
+ w[1] = r->w1;
+ if (len >= 4)
+ w[2] = r->w2;
+ if (len >= 5)
+ w[3] = (r->w3_hi << 4) | r->w3_lo;
+ if (len >= 6)
+ w[4] = (r->w4_hi << 1) | r->w4_lo;
+ if (len >= 6)
+ w[5] = r->w5;
+ if (len >= 7)
+ w[6] = (r->w6_hi << 3) | r->w6_lo;
+ if (len >= 7)
+ w[7] = r->w7;
+ if (len >= 8)
+ w[8] = r->w8;
+ if (len >= 8)
+ w[9] = r->w9;
+ if (len >= 9)
+ w[10] = r->w10;
+ if (len >= 9)
+ w[11] = r->w11;
+ if (len >= 10)
+ w[12] = r->w12;
+ if (len >= 10)
+ w[13] = r->w13;
+ if (len >= 11)
+ w[14] = r->w14;
+ if (len >= 11)
+ w[15] = r->w15;
+ if (len >= 12)
+ w[16] = r->w16;
+ if (len >= 12)
+ w[17] = r->w17;
+ if (len >= 13)
+ w[18] = (r->w18_hi << 1) | r->w18_lo;
+ if (len >= 13)
+ w[19] = r->w19;
+ if (len >= 13)
+ w[20] = r->w20;
+ if (len >= 14)
+ w[21] = (r->w21_hi << 2) | r->w21_lo;
+ if (len >= 14)
+ w[22] = r->w22;
+ if (len >= 14)
+ w[23] = r->w23;
+ if (len >= 15)
+ w[24] = r->w24;
+ if (len >= 15)
+ w[25] = r->w25;
+ if (len >= 16)
+ w[26] = (r->w26_hi << 1) | r->w26_lo;
+ if (len >= 16)
+ w[27] = r->w27;
+ if (len >= 16)
+ w[28] = r->w28;
+ f[w[0]].mask |= frqt;
+ if (w[1])
+ f[(w[0] + w[1]) % 1024].mask |= frqt;
+ if (w[2])
+ f[(w[0] + smod(w[1] - 64 + w[2], 127)) % 1024].mask |= frqt;
+ if (w[3])
+ f[(w[0] + smod(w[1] + w[3], 127)) % 1024].mask |= frqt;
+ if (w[4])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] - 32 + w[4], 63), 127)) % 1024].mask |= frqt;
+ if (w[5])
+ f[(w[0] + smod(w[1] + smod(w[3] - 32 + w[5], 63), 127)) % 1024].mask |= frqt;
+ if (w[6])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] + w[6], 63), 127)) % 1024].mask |= frqt;
+ if (w[7])
+ f[(w[0] + smod(w[1] + smod(w[3] + w[7], 63), 127)) % 1024].mask |= frqt;
+ if (w[8])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] - 32 + smod(w[4] - 16 + w[8] , 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[9])
+ f[(w[0] + smod(w[1] + smod(w[3] - 32 + smod(w[5] - 16 + w[9] , 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[10])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] + smod(w[6] - 16 + w[10], 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[11])
+ f[(w[0] + smod(w[1] + smod(w[3] + smod(w[7] - 16 + w[11], 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[12])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] - 32 + smod(w[4] + w[12], 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[13])
+ f[(w[0] + smod(w[1] + smod(w[3] - 32 + smod(w[5] + w[13], 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[14])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] + smod(w[6] + w[14], 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[15])
+ f[(w[0] + smod(w[1] + smod(w[3] + smod(w[7] + w[15], 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[16])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] - 32 + smod(w[4] - 16 + smod(w[8] - 8 + w[16], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[17])
+ f[(w[0] + smod(w[1] + smod(w[3] - 32 + smod(w[5] - 16 + smod(w[9] - 8 + w[17], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[18])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] + smod(w[6] - 16 + smod(w[10] - 8 + w[18], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[19])
+ f[(w[0] + smod(w[1] + smod(w[3] + smod(w[7] - 16 + smod(w[11] - 8 + w[19], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[20])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] - 32 + smod(w[4] + smod(w[12] - 8 + w[20], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[21])
+ f[(w[0] + smod(w[1] + smod(w[3] - 32 + smod(w[5] + smod(w[13] - 8 + w[21], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[22])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] + smod(w[6] + smod(w[14] - 8 + w[22], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[23])
+ f[(w[0] + smod(w[1] + smod(w[3] + smod(w[7] + smod(w[15] - 8 + w[23], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[24])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] - 32 + smod(w[4] - 16 + smod(w[8] + w[24], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[25])
+ f[(w[0] + smod(w[1] + smod(w[3] - 32 + smod(w[5] - 16 + smod(w[9] + w[25], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[26])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] + smod(w[6] - 16 + smod(w[10] + w[26], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[27])
+ f[(w[0] + smod(w[1] + smod(w[3] + smod(w[7] - 16 + smod(w[11] + w[27], 15), 31), 63), 127)) % 1024].mask |= frqt;
+ if (w[28])
+ f[(w[0] + smod(w[1] - 64 + smod(w[2] - 32 + smod(w[4] + smod(w[12] + w[28], 15), 31), 63), 127)) % 1024].mask |= frqt;
+
+ return 0;
+ }
+ /* 10..111. */
+ if ((cd[0] & 0xce & mask) == 0x8e) {
+ /* Variable bitmap format (can be any length >= 3) */
+ uint16_t orig = 0;
+ struct gsm48_var_bit *r = (struct gsm48_var_bit *)cd;
+
+ if (len < 3)
+ return -EINVAL;
+ orig = (r->orig_arfcn_hi << 9) | (r->orig_arfcn_mid << 1) | r->orig_arfcn_lo;
+ f[orig].mask |= frqt;
+ for (i = 1; 2 + (i >> 3) < len; i++)
+ if ((cd[2 + (i >> 3)] & (0x80 >> (i & 7))))
+ f[(orig + i) % 1024].mask |= frqt;
+
+ return 0;
+ }
+
+ return 0;
+}
+/*! @} */