[SGSN] remove the mmctx->sgsn pointer
We never want to support multiple sgsn's within one process, so
there is no point in passing them around all the time.
diff --git a/openbsc/include/openbsc/gprs_sgsn.h b/openbsc/include/openbsc/gprs_sgsn.h
index f70c6be..b9ed1b2 100644
--- a/openbsc/include/openbsc/gprs_sgsn.h
+++ b/openbsc/include/openbsc/gprs_sgsn.h
@@ -24,15 +24,11 @@
#define MS_RADIO_ACCESS_CAPA
-struct sgsn_instance;
-
/* According to TS 03.60, Table 5: SGSN MM and PDP Contexts */
/* Extended by 3GPP TS 23.060, Table 6: SGSN MM and PDP Contexts */
struct sgsn_mm_ctx {
struct llist_head list;
- struct sgsn_instance *sgsn;
-
char imsi[GSM_IMSI_LENGTH];
enum gprs_mm_state mm_state;
uint32_t p_tmsi;
diff --git a/openbsc/include/openbsc/sgsn.h b/openbsc/include/openbsc/sgsn.h
index 2c4378b..b2625db 100644
--- a/openbsc/include/openbsc/sgsn.h
+++ b/openbsc/include/openbsc/sgsn.h
@@ -32,6 +32,7 @@
struct gsn_t *gsn;
};
+extern struct sgsn_instance *sgsn;
/* sgsn_vty.c */
diff --git a/openbsc/src/gprs/sgsn_libgtp.c b/openbsc/src/gprs/sgsn_libgtp.c
index fcaee8b..e99cb6c 100644
--- a/openbsc/src/gprs/sgsn_libgtp.c
+++ b/openbsc/src/gprs/sgsn_libgtp.c
@@ -99,7 +99,6 @@
int sgsn_create_pdp_ctx(struct ggsn_ctx *ggsn, struct sgsn_mm_ctx *mmctx,
uint16_t nsapi, struct tlv_parsed *tp)
{
- struct sgsn_instance *sgsn = mmctx->sgsn;
struct pdp_t *pdp;
uint64_t imsi_ui64;
int rc;
@@ -184,7 +183,7 @@
LOGP(DGPRS, LOGL_NOTICE, "Create PDP ctx req timed out\n");
if (pdp->version == 1) {
pdp->version = 0;
- gtp_create_context_req(mmctx->sgsn->gsn, pdp, cbp);
+ gtp_create_context_req(sgsn->gsn, pdp, cbp);
return 0;
} else {
pdp_freepdp(pdp);
diff --git a/openbsc/src/gprs/sgsn_main.c b/openbsc/src/gprs/sgsn_main.c
index ac895a2..74efe84 100644
--- a/openbsc/src/gprs/sgsn_main.c
+++ b/openbsc/src/gprs/sgsn_main.c
@@ -59,19 +59,19 @@
void *tall_bsc_ctx;
struct gprs_ns_inst *sgsn_nsi;
-
const char *openbsc_copyright =
"Copyright (C) 2010 Harald Welte and On-Waves\n"
"License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>\n"
"This is free software: you are free to change and redistribute it.\n"
"There is NO WARRANTY, to the extent permitted by law.\n";
-struct sgsn_instance sgsn_inst = {
+static struct sgsn_instance sgsn_inst = {
.config_file = "osmo_sgsn.cfg",
.cfg = {
.gtp_statedir = "./",
},
};
+struct sgsn_instance *sgsn = &sgsn_inst;
/* call-back function for the NS protocol */
static int sgsn_ns_cb(enum gprs_ns_evt event, struct gprs_nsvc *nsvc,