fixeria has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmocom-bb/+/35584?usp=email )
Change subject: [WIP] mobile: check Bearer Capability
......................................................................
[WIP] mobile: check Bearer Capability
Change-Id: I6ddbe49f453134d08578e35a015f2fd605705987
---
M src/host/layer23/src/mobile/tch_data.c
1 file changed, 54 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/84/35584/1
diff --git a/src/host/layer23/src/mobile/tch_data.c
b/src/host/layer23/src/mobile/tch_data.c
index 21ed1c2..995e491 100644
--- a/src/host/layer23/src/mobile/tch_data.c
+++ b/src/host/layer23/src/mobile/tch_data.c
@@ -305,11 +305,56 @@
return 0;
}
+static int tch_data_check_bcap(const struct gsm_mncc_bearer_cap *bcap)
+{
+ if (bcap == NULL) {
+ LOGP(DL1C, LOGL_ERROR,
+ "%s(): CC transaction without BCap\n",
+ __func__);
+ return -ENODEV;
+ }
+
+ if (bcap->mode != GSM48_BCAP_TMOD_CIRCUIT) {
+ LOGP(DMNCC, LOGL_ERROR,
+ "%s(): Transfer mode 0x%02x is not supported\n",
+ __func__, bcap->mode);
+ return -ENOTSUP;
+ }
+ if (bcap->coding != GSM48_BCAP_CODING_GSM_STD) {
+ LOGP(DMNCC, LOGL_ERROR,
+ "%s(): Coding standard 0x%02x is not supported\n",
+ __func__, bcap->coding);
+ return -ENOTSUP;
+ }
+
+ switch (bcap->transfer) {
+ case GSM48_BCAP_ITCAP_UNR_DIG_INF:
+ case GSM48_BCAP_ITCAP_3k1_AUDIO:
+ /* XXX: sync/async: bcap->data.async */
+ break;
+ case GSM48_BCAP_ITCAP_FAX_G3:
+ /* XXX: sync, transparent */
+ break;
+ default:
+ LOGP(DMNCC, LOGL_ERROR,
+ "%s(): Information transfer capability 0x%02x is not
supported\n",
+ __func__, bcap->transfer);
+ return -ENOTSUP;
+ }
+
+ return 0;
+}
+
int tch_data_state_init(struct gsm_trans *trans,
struct tch_data_state *state)
{
struct osmocom_ms *ms = trans->ms;
const struct gsm_settings *set = &ms->settings;
+ const struct gsm_mncc_bearer_cap *bcap = trans->cc.bcap;
+ int rc;
+
+ if ((rc = tch_data_check_bcap(bcap)) != 0)
+ return rc;
switch (state->handler) {
case TCH_DATA_IOH_UNIX_SOCK:
--
To view, visit https://gerrit.osmocom.org/c/osmocom-bb/+/35584?usp=email
To unsubscribe, or for help writing mail filters, visit
https://gerrit.osmocom.org/settings
Gerrit-Project: osmocom-bb
Gerrit-Branch: master
Gerrit-Change-Id: I6ddbe49f453134d08578e35a015f2fd605705987
Gerrit-Change-Number: 35584
Gerrit-PatchSet: 1
Gerrit-Owner: fixeria <[email protected]>
Gerrit-MessageType: newchange
