diff options
author | Neels Hofmeyr <neels@hofmeyr.de> | 2018-09-13 05:19:32 +0200 |
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committer | Neels Hofmeyr <neels@hofmeyr.de> | 2018-09-18 14:34:32 +0200 |
commit | e2209c20c5a9240f7decc112ce23da328528894b (patch) | |
tree | e7b4ab32a1aa72840e24e9f2b98f435895bea9b6 /src/osmo-bsc/gsm_04_08_rr.c | |
parent | ef121b2408f2374f2b2881e698c3f88cdcbb39e8 (diff) |
Implement RR Classmark Enquiry
If the MSC sends a BSSMAP Classmark Request, send an RR Classmark Enquiry to
the MS.
(The reverse direction, i.e. sending a BSSMAP Classmark Update back to the MSC,
is already implemented.)
Related: OS#3043 (A5/3 encryption)
Related: osmo-ttcn3-hacks Idaab4d568cf986b4897ba008f6262c839d1592fb
Change-Id: If5db638fd6e8d9c2ef9e139e99f0fabe1ef16ddf
Diffstat (limited to 'src/osmo-bsc/gsm_04_08_rr.c')
-rw-r--r-- | src/osmo-bsc/gsm_04_08_rr.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/osmo-bsc/gsm_04_08_rr.c b/src/osmo-bsc/gsm_04_08_rr.c index 2b4a1ba18..35044a320 100644 --- a/src/osmo-bsc/gsm_04_08_rr.c +++ b/src/osmo-bsc/gsm_04_08_rr.c @@ -273,6 +273,21 @@ int send_siemens_mrpci(struct gsm_lchan *lchan, return rsl_siemens_mrpci(lchan, &mrpci); } +/* 3GPP 44.018 9.1.12 Classmark Enquiry */ +int gsm48_send_rr_classmark_enquiry(struct gsm_lchan *lchan) +{ + struct msgb *msg = gsm48_msgb_alloc_name("GSM 44.018 Classmark Enquiry"); + struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh)); + + msg->lchan = lchan; + gh->proto_discr = GSM48_PDISC_RR; + gh->msg_type = GSM48_MT_RR_CLSM_ENQ; + + DEBUGP(DRR, "%s TX CLASSMARK ENQUIRY %u\n", gsm_lchan_name(lchan), msgb_length(msg)); + + return gsm48_sendmsg(msg); +} + /* Chapter 9.1.9: Ciphering Mode Command */ int gsm48_send_rr_ciph_mode(struct gsm_lchan *lchan, int want_imeisv) { |