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-rw-r--r--openbsc/src/libbsc/gsm_04_08_utils.c224
1 files changed, 0 insertions, 224 deletions
diff --git a/openbsc/src/libbsc/gsm_04_08_utils.c b/openbsc/src/libbsc/gsm_04_08_utils.c
index 8ccefd740..8cfe2db84 100644
--- a/openbsc/src/libbsc/gsm_04_08_utils.c
+++ b/openbsc/src/libbsc/gsm_04_08_utils.c
@@ -37,10 +37,6 @@
#include <openbsc/paging.h>
#include <openbsc/signal.h>
-/* should ip.access BTS use direct RTP streams between each other (1),
- * or should OpenBSC always act as RTP relay/proxy in between (0) ? */
-int ipacc_rtp_direct = 1;
-
static int gsm48_sendmsg(struct msgb *msg)
{
if (msg->lchan)
@@ -50,169 +46,6 @@ static int gsm48_sendmsg(struct msgb *msg)
return rsl_data_request(msg, 0);
}
-/* Section 9.1.8 / Table 9.9 */
-struct chreq {
- uint8_t val;
- uint8_t mask;
- enum chreq_type type;
-};
-
-/* If SYSTEM INFORMATION TYPE 4 NECI bit == 1 */
-static const struct chreq chreq_type_neci1[] = {
- { 0xa0, 0xe0, CHREQ_T_EMERG_CALL },
- { 0xc0, 0xe0, CHREQ_T_CALL_REEST_TCH_F },
- { 0x68, 0xfc, CHREQ_T_CALL_REEST_TCH_H },
- { 0x6c, 0xfc, CHREQ_T_CALL_REEST_TCH_H_DBL },
- { 0xe0, 0xe0, CHREQ_T_TCH_F },
- { 0x40, 0xf0, CHREQ_T_VOICE_CALL_TCH_H },
- { 0x50, 0xf0, CHREQ_T_DATA_CALL_TCH_H },
- { 0x00, 0xf0, CHREQ_T_LOCATION_UPD },
- { 0x10, 0xf0, CHREQ_T_SDCCH },
- { 0x80, 0xe0, CHREQ_T_PAG_R_ANY_NECI1 },
- { 0x20, 0xf0, CHREQ_T_PAG_R_TCH_F },
- { 0x30, 0xf0, CHREQ_T_PAG_R_TCH_FH },
- { 0x67, 0xff, CHREQ_T_LMU },
- { 0x60, 0xf9, CHREQ_T_RESERVED_SDCCH },
- { 0x61, 0xfb, CHREQ_T_RESERVED_SDCCH },
- { 0x63, 0xff, CHREQ_T_RESERVED_SDCCH },
- { 0x7f, 0xff, CHREQ_T_RESERVED_IGNORE },
-};
-
-/* If SYSTEM INFORMATION TYPE 4 NECI bit == 0 */
-static const struct chreq chreq_type_neci0[] = {
- { 0xa0, 0xe0, CHREQ_T_EMERG_CALL },
- { 0xc0, 0xe0, CHREQ_T_CALL_REEST_TCH_H },
- { 0xe0, 0xe0, CHREQ_T_TCH_F },
- { 0x50, 0xf0, CHREQ_T_DATA_CALL_TCH_H },
- { 0x00, 0xe0, CHREQ_T_LOCATION_UPD },
- { 0x80, 0xe0, CHREQ_T_PAG_R_ANY_NECI0 },
- { 0x20, 0xf0, CHREQ_T_PAG_R_TCH_F },
- { 0x30, 0xf0, CHREQ_T_PAG_R_TCH_FH },
- { 0x67, 0xff, CHREQ_T_LMU },
- { 0x60, 0xf9, CHREQ_T_RESERVED_SDCCH },
- { 0x61, 0xfb, CHREQ_T_RESERVED_SDCCH },
- { 0x63, 0xff, CHREQ_T_RESERVED_SDCCH },
- { 0x7f, 0xff, CHREQ_T_RESERVED_IGNORE },
-};
-
-static const enum gsm_chan_t ctype_by_chreq[] = {
- [CHREQ_T_EMERG_CALL] = GSM_LCHAN_TCH_F,
- [CHREQ_T_CALL_REEST_TCH_F] = GSM_LCHAN_TCH_F,
- [CHREQ_T_CALL_REEST_TCH_H] = GSM_LCHAN_TCH_H,
- [CHREQ_T_CALL_REEST_TCH_H_DBL] = GSM_LCHAN_TCH_H,
- [CHREQ_T_SDCCH] = GSM_LCHAN_SDCCH,
- [CHREQ_T_TCH_F] = GSM_LCHAN_TCH_F,
- [CHREQ_T_VOICE_CALL_TCH_H] = GSM_LCHAN_TCH_H,
- [CHREQ_T_DATA_CALL_TCH_H] = GSM_LCHAN_TCH_H,
- [CHREQ_T_LOCATION_UPD] = GSM_LCHAN_SDCCH,
- [CHREQ_T_PAG_R_ANY_NECI1] = GSM_LCHAN_SDCCH,
- [CHREQ_T_PAG_R_ANY_NECI0] = GSM_LCHAN_SDCCH,
- [CHREQ_T_PAG_R_TCH_F] = GSM_LCHAN_TCH_F,
- [CHREQ_T_PAG_R_TCH_FH] = GSM_LCHAN_TCH_F,
- [CHREQ_T_LMU] = GSM_LCHAN_SDCCH,
- [CHREQ_T_RESERVED_SDCCH] = GSM_LCHAN_SDCCH,
- [CHREQ_T_RESERVED_IGNORE] = GSM_LCHAN_UNKNOWN,
-};
-
-static const enum gsm_chreq_reason_t reason_by_chreq[] = {
- [CHREQ_T_EMERG_CALL] = GSM_CHREQ_REASON_EMERG,
- [CHREQ_T_CALL_REEST_TCH_F] = GSM_CHREQ_REASON_CALL,
- [CHREQ_T_CALL_REEST_TCH_H] = GSM_CHREQ_REASON_CALL,
- [CHREQ_T_CALL_REEST_TCH_H_DBL] = GSM_CHREQ_REASON_CALL,
- [CHREQ_T_SDCCH] = GSM_CHREQ_REASON_OTHER,
- [CHREQ_T_TCH_F] = GSM_CHREQ_REASON_OTHER,
- [CHREQ_T_VOICE_CALL_TCH_H] = GSM_CHREQ_REASON_CALL,
- [CHREQ_T_DATA_CALL_TCH_H] = GSM_CHREQ_REASON_OTHER,
- [CHREQ_T_LOCATION_UPD] = GSM_CHREQ_REASON_LOCATION_UPD,
- [CHREQ_T_PAG_R_ANY_NECI1] = GSM_CHREQ_REASON_PAG,
- [CHREQ_T_PAG_R_ANY_NECI0] = GSM_CHREQ_REASON_PAG,
- [CHREQ_T_PAG_R_TCH_F] = GSM_CHREQ_REASON_PAG,
- [CHREQ_T_PAG_R_TCH_FH] = GSM_CHREQ_REASON_PAG,
- [CHREQ_T_LMU] = GSM_CHREQ_REASON_OTHER,
- [CHREQ_T_RESERVED_SDCCH] = GSM_CHREQ_REASON_OTHER,
- [CHREQ_T_RESERVED_IGNORE] = GSM_CHREQ_REASON_OTHER,
-};
-
-/* verify that the two tables match */
-osmo_static_assert(sizeof(ctype_by_chreq) ==
- sizeof(((struct gsm_network *) NULL)->ctype_by_chreq), assert_size);
-
-/*
- * Update channel types for request based on policy. E.g. in the
- * case of a TCH/H network/bsc use TCH/H for the emergency calls,
- * for early assignment assign a SDCCH and some other options.
- */
-void gsm_net_update_ctype(struct gsm_network *network)
-{
- /* copy over the data */
- memcpy(network->ctype_by_chreq, ctype_by_chreq, sizeof(ctype_by_chreq));
-
- /*
- * Use TCH/H for emergency calls when this cell allows TCH/H. Maybe it
- * is better to iterate over the BTS/TRX and check if no TCH/F is available
- * and then set it to TCH/H.
- */
- if (network->neci)
- network->ctype_by_chreq[CHREQ_T_EMERG_CALL] = GSM_LCHAN_TCH_H;
-
- if (network->pag_any_tch) {
- if (network->neci) {
- network->ctype_by_chreq[CHREQ_T_PAG_R_ANY_NECI0] = GSM_LCHAN_TCH_H;
- network->ctype_by_chreq[CHREQ_T_PAG_R_ANY_NECI1] = GSM_LCHAN_TCH_H;
- } else {
- network->ctype_by_chreq[CHREQ_T_PAG_R_ANY_NECI0] = GSM_LCHAN_TCH_F;
- network->ctype_by_chreq[CHREQ_T_PAG_R_ANY_NECI1] = GSM_LCHAN_TCH_F;
- }
- }
-}
-
-enum gsm_chan_t get_ctype_by_chreq(struct gsm_network *network, uint8_t ra)
-{
- int i;
- int length;
- const struct chreq *chreq;
-
- if (network->neci) {
- chreq = chreq_type_neci1;
- length = ARRAY_SIZE(chreq_type_neci1);
- } else {
- chreq = chreq_type_neci0;
- length = ARRAY_SIZE(chreq_type_neci0);
- }
-
-
- for (i = 0; i < length; i++) {
- const struct chreq *chr = &chreq[i];
- if ((ra & chr->mask) == chr->val)
- return network->ctype_by_chreq[chr->type];
- }
- LOGP(DRR, LOGL_ERROR, "Unknown CHANNEL REQUEST RQD 0x%02x\n", ra);
- return GSM_LCHAN_SDCCH;
-}
-
-int get_reason_by_chreq(uint8_t ra, int neci)
-{
- int i;
- int length;
- const struct chreq *chreq;
-
- if (neci) {
- chreq = chreq_type_neci1;
- length = ARRAY_SIZE(chreq_type_neci1);
- } else {
- chreq = chreq_type_neci0;
- length = ARRAY_SIZE(chreq_type_neci0);
- }
-
- for (i = 0; i < length; i++) {
- const struct chreq *chr = &chreq[i];
- if ((ra & chr->mask) == chr->val)
- return reason_by_chreq[chr->type];
- }
- LOGP(DRR, LOGL_ERROR, "Unknown CHANNEL REQUEST REASON 0x%02x\n", ra);
- return GSM_CHREQ_REASON_OTHER;
-}
-
/* 7.1.7 and 9.1.7: RR CHANnel RELease */
int gsm48_send_rr_release(struct gsm_lchan *lchan)
{
@@ -250,30 +83,6 @@ int send_siemens_mrpci(struct gsm_lchan *lchan,
return rsl_siemens_mrpci(lchan, &mrpci);
}
-int gsm48_extract_mi(uint8_t *classmark2_lv, int length, char *mi_string, uint8_t *mi_type)
-{
- /* Check the size for the classmark */
- if (length < 1 + *classmark2_lv)
- return -1;
-
- uint8_t *mi_lv = classmark2_lv + *classmark2_lv + 1;
- if (length < 2 + *classmark2_lv + mi_lv[0])
- return -2;
-
- *mi_type = mi_lv[1] & GSM_MI_TYPE_MASK;
- return gsm48_mi_to_string(mi_string, GSM48_MI_SIZE, mi_lv+1, *mi_lv);
-}
-
-int gsm48_paging_extract_mi(struct gsm48_pag_resp *resp, int length,
- char *mi_string, uint8_t *mi_type)
-{
- static const uint32_t classmark_offset =
- offsetof(struct gsm48_pag_resp, classmark2);
- uint8_t *classmark2_lv = (uint8_t *) &resp->classmark2;
- return gsm48_extract_mi(classmark2_lv, length - classmark_offset,
- mi_string, mi_type);
-}
-
int gsm48_handle_paging_resp(struct gsm_subscriber_connection *conn,
struct msgb *msg, struct gsm_subscriber *subscr)
{
@@ -616,36 +425,3 @@ int gsm48_parse_meas_rep(struct gsm_meas_rep *rep, struct msgb *msg)
return 0;
}
-
-struct msgb *gsm48_create_mm_serv_rej(enum gsm48_reject_value value)
-{
- struct msgb *msg;
- struct gsm48_hdr *gh;
-
- msg = gsm48_msgb_alloc();
- if (!msg)
- return NULL;
-
- gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
- gh->proto_discr = GSM48_PDISC_MM;
- gh->msg_type = GSM48_MT_MM_CM_SERV_REJ;
- gh->data[0] = value;
-
- return msg;
-}
-
-struct msgb *gsm48_create_loc_upd_rej(uint8_t cause)
-{
- struct gsm48_hdr *gh;
- struct msgb *msg;
-
- msg = gsm48_msgb_alloc();
- if (!msg)
- return NULL;
-
- gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
- gh->proto_discr = GSM48_PDISC_MM;
- gh->msg_type = GSM48_MT_MM_LOC_UPD_REJECT;
- gh->data[0] = cause;
- return msg;
-}