[gsm0408] Add parameter to gsm48_send_rr_ciph_mode for controling the response
This parameter controls if the response should include the
IMEISV or not. This will be set by the MSC and this is why
this parameter was added.
diff --git a/openbsc/include/openbsc/gsm_04_08.h b/openbsc/include/openbsc/gsm_04_08.h
index feb445b..485e240 100644
--- a/openbsc/include/openbsc/gsm_04_08.h
+++ b/openbsc/include/openbsc/gsm_04_08.h
@@ -724,7 +724,7 @@
int gsm48_mi_to_string(char *string, const int str_len, const u_int8_t *mi, const int mi_len);
int gsm48_send_rr_release(struct gsm_lchan *lchan);
-int gsm48_send_rr_ciph_mode(struct gsm_lchan *lchan);
+int gsm48_send_rr_ciph_mode(struct gsm_lchan *lchan, int want_imeisv);
int gsm48_send_rr_app_info(struct gsm_lchan *lchan, u_int8_t apdu_id,
u_int8_t apdu_len, u_int8_t *apdu);
diff --git a/openbsc/src/gsm_04_08_utils.c b/openbsc/src/gsm_04_08_utils.c
index 88edc7d..ef9e59c 100644
--- a/openbsc/src/gsm_04_08_utils.c
+++ b/openbsc/src/gsm_04_08_utils.c
@@ -459,7 +459,7 @@
}
/* Chapter 9.1.9: Ciphering Mode Command */
-int gsm48_send_rr_ciph_mode(struct gsm_lchan *lchan)
+int gsm48_send_rr_ciph_mode(struct gsm_lchan *lchan, int want_imeisv)
{
struct msgb *msg = gsm48_msgb_alloc();
struct gsm48_hdr *gh;
@@ -477,7 +477,7 @@
gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
gh->proto_discr = GSM48_PDISC_RR;
gh->msg_type = GSM48_MT_RR_CIPH_M_CMD;
- gh->data[0] = 0x10 | (ciph_mod_set & 0xf);
+ gh->data[0] = (want_imeisv & 0x1) << 4 | (ciph_mod_set & 0xf);
return rsl_encryption_cmd(msg);
}