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authorHolger Hans Peter Freyther <zecke@selfish.org>2010-04-11 19:34:43 +0200
committerHolger Hans Peter Freyther <zecke@selfish.org>2010-04-11 19:34:43 +0200
commit4e23d5f87f4443c5cf01cda968c1aae26ba47dc0 (patch)
treee9ab58841f423e9e8694017960a880d66881d68c /openbsc/src/bsc_init.c
parent434642498719a8ae47013f58a89199f13715d713 (diff)
[bsc_init] When the RSL/OML connection drops, free all lchan
Free all allocated channels on the TRX that failed, go through lchan_free to signal higher layers and then force a reset of the channel. Make the TRX and TS unusable by setting the operational set to 0 (not really defined).
Diffstat (limited to 'openbsc/src/bsc_init.c')
-rw-r--r--openbsc/src/bsc_init.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/openbsc/src/bsc_init.c b/openbsc/src/bsc_init.c
index 5ef22db40..78b575302 100644
--- a/openbsc/src/bsc_init.c
+++ b/openbsc/src/bsc_init.c
@@ -31,6 +31,7 @@
#include <openbsc/system_information.h>
#include <openbsc/paging.h>
#include <openbsc/signal.h>
+#include <openbsc/chan_alloc.h>
#include <osmocore/talloc.h>
/* global pointer to the gsm network data structure */
@@ -901,6 +902,8 @@ static void bootstrap_rsl(struct gsm_bts_trx *trx)
void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
{
+ int ts_no, lchan_no;
+
switch (event) {
case EVT_E1_TEI_UP:
switch (type) {
@@ -915,8 +918,30 @@ void input_event(int event, enum e1inp_sign_type type, struct gsm_bts_trx *trx)
}
break;
case EVT_E1_TEI_DN:
- LOGP(DMI, LOGL_NOTICE, "Lost some E1 TEI link\n");
- /* FIXME: deal with TEI or L1 link loss */
+ LOGP(DMI, LOGL_ERROR, "Lost some E1 TEI link: %d %p\n", type, trx);
+
+ /*
+ * free all allocated channels. change the nm_state so the
+ * trx and trx_ts becomes unusable and chan_alloc.c can not
+ * allocate from it.
+ */
+ for (ts_no = 0; ts_no < ARRAY_SIZE(trx->ts); ++ts_no) {
+ struct gsm_bts_trx_ts *ts = &trx->ts[ts_no];
+
+ for (lchan_no = 0; lchan_no < ARRAY_SIZE(ts->lchan); ++lchan_no) {
+ if (ts->lchan[lchan_no].state != GSM_LCHAN_NONE)
+ lchan_free(&ts->lchan[lchan_no]);
+ lchan_reset(&ts->lchan[lchan_no]);
+ }
+
+ ts->nm_state.operational = 0;
+ ts->nm_state.availability = 0;
+ }
+
+ trx->nm_state.operational = 0;
+ trx->nm_state.availability = 0;
+ trx->bb_transc.nm_state.operational = 0;
+ trx->bb_transc.nm_state.availability = 0;
break;
default:
break;