diff options
Diffstat (limited to 'openbsc/src/libbsc/bsc_api.c')
| -rw-r--r-- | openbsc/src/libbsc/bsc_api.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/openbsc/src/libbsc/bsc_api.c b/openbsc/src/libbsc/bsc_api.c index 7613cac90..a7675fbab 100644 --- a/openbsc/src/libbsc/bsc_api.c +++ b/openbsc/src/libbsc/bsc_api.c @@ -2,7 +2,7 @@ /* (C) 2010-2011 by Holger Hans Peter Freyther * (C) 2010-2011 by On-Waves - * (C) 2009 by Harald Welte <laforge@gnumonks.org> + * (C) 2009-2017 by Harald Welte <laforge@gnumonks.org> * * All Rights Reserved * @@ -32,11 +32,13 @@ #include <openbsc/debug.h> #include <openbsc/gsm_04_08.h> #include <openbsc/trau_mux.h> +#include <openbsc/pcu_if.h> #include <osmocom/gsm/protocol/gsm_08_08.h> #include <osmocom/gsm/gsm48.h> #include <osmocom/core/talloc.h> +#include <osmocom/core/byteswap.h> #define GSM0808_T10_VALUE 6, 0 @@ -570,6 +572,30 @@ static void handle_rr_ho_fail(struct msgb *msg) /* FIXME: release allocated new channel */ } +/* TS 44.018 9.1.13b GPRS suspension request */ +static int handle_gprs_susp_req(struct msgb *msg) +{ + struct gsm48_hdr *gh = msgb_l3(msg); + struct gsm48_gprs_susp_req *gsr; + uint32_t tlli; + int rc; + + if (!gh || msgb_l3len(msg) < sizeof(*gh)+sizeof(*gsr)) { + LOGP(DRSL, LOGL_NOTICE, "%s Short GPRS SUSPEND REQ received, ignoring\n", gsm_lchan_name(msg->lchan)); + return -EINVAL; + } + + gsr = (struct gsm48_gprs_susp_req *) gh->data; + tlli = osmo_ntohl(gsr->tlli); + + LOGP(DRSL, LOGL_INFO, "%s Fwd GPRS SUSPEND REQ for TLLI=0x%08x to PCU\n", + gsm_lchan_name(msg->lchan), tlli); + rc = pcu_tx_susp_req(msg->lchan, tlli, gsr->ra_id, gsr->cause); + + msgb_free(msg); + + return rc; +} static void dispatch_dtap(struct gsm_subscriber_connection *conn, uint8_t link_id, struct msgb *msg) @@ -599,8 +625,7 @@ static void dispatch_dtap(struct gsm_subscriber_connection *conn, case GSM48_PDISC_RR: switch (msg_type) { case GSM48_MT_RR_GPRS_SUSP_REQ: - DEBUGP(DRR, "%s\n", - gsm48_rr_msg_name(GSM48_MT_RR_GPRS_SUSP_REQ)); + handle_gprs_susp_req(msg); break; case GSM48_MT_RR_STATUS: LOGP(DRR, LOGL_NOTICE, "%s (cause: %s)\n", |