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-rw-r--r--src/gprs/gprs_gmm.c158
1 files changed, 5 insertions, 153 deletions
diff --git a/src/gprs/gprs_gmm.c b/src/gprs/gprs_gmm.c
index 00335e8a8..5700ee503 100644
--- a/src/gprs/gprs_gmm.c
+++ b/src/gprs/gprs_gmm.c
@@ -47,12 +47,6 @@
#include <osmocom/gprs/gprs_bssgp.h>
-#ifdef BUILD_IU
-#include <osmocom/ranap/ranap_ies_defs.h>
-#include <osmocom/ranap/ranap_msg_factory.h>
-#include <osmocom/ranap/iu_client.h>
-#endif
-
#include <osmocom/sgsn/debug.h>
#include <osmocom/sgsn/gprs_llc.h>
#include <osmocom/sgsn/gprs_sgsn.h>
@@ -63,6 +57,7 @@
#include <osmocom/sgsn/gprs_gmm_attach.h>
#include <osmocom/sgsn/signal.h>
#include <osmocom/sgsn/gprs_sndcp.h>
+#include <osmocom/sgsn/gprs_ranap.h>
#include <pdp.h>
@@ -117,14 +112,6 @@ static const struct value_string gprs_pmm_state_names[] = {
{ 0, NULL }
};
-/* On RANAP, Returns pointer to he associated ranap_ue_conn_ctx in msg, filled
- * in by osmo-iuh's iu_recv_cb().
- * On Gb, returns NULL */
-#define MSG_IU_UE_CTX(msg) ((struct ranap_ue_conn_ctx *)(msg)->dst)
-#define MSG_IU_UE_CTX_SET(msg, val) (msg)->dst = (val)
-
-static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx);
-
static void mmctx_change_gtpu_endpoints_to_sgsn(struct sgsn_mm_ctx *mm_ctx)
{
struct sgsn_pdp_ctx *pdp;
@@ -188,7 +175,7 @@ static void mmctx_state_timer_stop(struct sgsn_mm_ctx *mm, unsigned int T)
mm->gb.state_T = 0;
}
-static void mmctx_set_pmm_state(struct sgsn_mm_ctx *ctx, enum gprs_pmm_state state)
+void mmctx_set_pmm_state(struct sgsn_mm_ctx *ctx, enum gprs_pmm_state state)
{
OSMO_ASSERT(ctx->ran_type == MM_CTX_T_UTRAN_Iu);
@@ -245,62 +232,6 @@ static void mmctx_set_mm_state(struct sgsn_mm_ctx *ctx, enum gprs_pmm_state stat
ctx->pmm_state = state;
}
-#ifdef BUILD_IU
-int sgsn_ranap_rab_ass_resp(struct sgsn_mm_ctx *ctx, RANAP_RAB_SetupOrModifiedItemIEs_t *setup_ies);
-int sgsn_ranap_iu_event(struct ranap_ue_conn_ctx *ctx, enum ranap_iu_event_type type, void *data)
-{
- struct sgsn_mm_ctx *mm;
- int rc = -1;
-
- mm = sgsn_mm_ctx_by_ue_ctx(ctx);
-
-#define REQUIRE_MM \
- if (!mm) { \
- LOGIUP(ctx, LOGL_NOTICE, "Cannot find mm ctx for IU event %d\n", type); \
- return rc; \
- }
-
- switch (type) {
- case RANAP_IU_EVENT_RAB_ASSIGN:
- REQUIRE_MM
- rc = sgsn_ranap_rab_ass_resp(mm, (RANAP_RAB_SetupOrModifiedItemIEs_t *)data);
- break;
- case RANAP_IU_EVENT_IU_RELEASE:
- /* fall thru */
- case RANAP_IU_EVENT_LINK_INVALIDATED:
- /* Clean up ranap_ue_conn_ctx here */
- if (mm)
- LOGMMCTXP(LOGL_INFO, mm, "IU release for imsi %s\n", mm->imsi);
- else
- LOGIUP(ctx, LOGL_INFO, "IU release\n");
- if (mm && mm->pmm_state == PMM_CONNECTED)
- mmctx_set_pmm_state(mm, PMM_IDLE);
- rc = 0;
- break;
- case RANAP_IU_EVENT_SECURITY_MODE_COMPLETE:
- REQUIRE_MM
- /* Continue authentication here */
- mm->iu.ue_ctx->integrity_active = 1;
-
- /* FIXME: remove gmm_authorize */
- if (mm->pending_req != GSM48_MT_GMM_ATTACH_REQ)
- gsm48_gmm_authorize(mm);
- else
- osmo_fsm_inst_dispatch(mm->gmm_att_req.fsm, E_IU_SECURITY_CMD_COMPLETE, NULL);
- break;
- default:
- if (mm)
- LOGMMCTXP(LOGL_NOTICE, mm, "Unknown event received: %i\n", type);
- else
- LOGIUP(ctx, LOGL_NOTICE, "Unknown event received: %i\n", type);
- rc = -1;
- break;
- }
- return rc;
-}
-#endif
-
-
/* Our implementation, should be kept in SGSN */
static void mmctx_timer_cb(void *_mm);
@@ -1078,21 +1009,8 @@ static int gsm48_tx_gmm_service_rej(struct sgsn_mm_ctx *mm,
static int gsm48_tx_gmm_ra_upd_ack(struct sgsn_mm_ctx *mm);
-#ifdef BUILD_IU
-/* Send RAB activation requests for all PDP contexts */
-void activate_pdp_rabs(struct sgsn_mm_ctx *ctx)
-{
- struct sgsn_pdp_ctx *pdp;
- if (ctx->ran_type != MM_CTX_T_UTRAN_Iu)
- return;
- llist_for_each_entry(pdp, &ctx->pdp_list, list) {
- iu_rab_act_ps(pdp->nsapi, pdp);
- }
-}
-#endif
-
/* Check if we can already authorize a subscriber */
-static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx)
+int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx)
{
#ifdef BUILD_IU
int rc;
@@ -2061,7 +1979,7 @@ static int gsm48_rx_gmm_status(struct sgsn_mm_ctx *mmctx, struct msgb *msg)
}
/* Rx GPRS Mobility Management. MMCTX can be NULL when called. On !Gb (Iu), llme is NULL */
-static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg,
+int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg,
struct gprs_llc_llme *llme, bool drop_cipherable)
{
struct sgsn_signal_data sig_data;
@@ -2933,7 +2851,7 @@ static void pdpctx_timer_cb(void *_pdp)
/* GPRS Session Management */
-static int gsm0408_rcv_gsm(struct sgsn_mm_ctx *mmctx, struct msgb *msg,
+int gsm0408_rcv_gsm(struct sgsn_mm_ctx *mmctx, struct msgb *msg,
struct gprs_llc_llme *llme)
{
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_gmmh(msg);
@@ -3008,45 +2926,6 @@ int gsm0408_gprs_force_reattach(struct sgsn_mm_ctx *mmctx)
return rc;
}
-/* Main entry point for incoming 04.08 GPRS messages from Iu */
-int gsm0408_gprs_rcvmsg_iu(struct msgb *msg, struct gprs_ra_id *ra_id,
- uint16_t *sai)
-{
- struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_gmmh(msg);
- uint8_t pdisc = gsm48_hdr_pdisc(gh);
- struct sgsn_mm_ctx *mmctx;
- int rc = -EINVAL;
-
- mmctx = sgsn_mm_ctx_by_ue_ctx(MSG_IU_UE_CTX(msg));
- if (mmctx) {
- rate_ctr_inc(&mmctx->ctrg->ctr[GMM_CTR_PKTS_SIG_IN]);
- if (ra_id)
- memcpy(&mmctx->ra, ra_id, sizeof(mmctx->ra));
- }
-
- /* MMCTX can be NULL */
-
- switch (pdisc) {
- case GSM48_PDISC_MM_GPRS:
- rc = gsm0408_rcv_gmm(mmctx, msg, NULL, false);
-#pragma message "set drop_cipherable arg for gsm0408_rcv_gmm() from IuPS?"
- break;
- case GSM48_PDISC_SM_GPRS:
- rc = gsm0408_rcv_gsm(mmctx, msg, NULL);
- break;
- default:
- LOGMMCTXP(LOGL_NOTICE, mmctx,
- "Unknown GSM 04.08 discriminator 0x%02x: %s\n",
- pdisc, osmo_hexdump((uint8_t *)gh, msgb_l3len(msg)));
- /* FIXME: return status message */
- break;
- }
-
- /* MMCTX can be invalid */
-
- return rc;
-}
-
/* Update the MM context state */
static void gsm0408_gprs_notify_pdu_gb(struct sgsn_mm_ctx *mmctx)
{
@@ -3154,30 +3033,3 @@ int gprs_gmm_rx_resume(struct gprs_ra_id *raid, uint32_t tlli,
mmctx->gmm_state = GMM_REGISTERED_NORMAL;
return 0;
}
-
-#ifdef BUILD_IU
-int iu_rab_act_ps(uint8_t rab_id, struct sgsn_pdp_ctx *pdp)
-{
- struct msgb *msg;
- struct sgsn_mm_ctx *mm = pdp->mm;
- struct ranap_ue_conn_ctx *uectx;
- uint32_t ggsn_ip;
- bool use_x213_nsap;
-
- uectx = mm->iu.ue_ctx;
- use_x213_nsap = (uectx->rab_assign_addr_enc == RANAP_NSAP_ADDR_ENC_X213);
-
- /* Get the IP address for ggsn user plane */
- memcpy(&ggsn_ip, pdp->lib->gsnru.v, pdp->lib->gsnru.l);
- ggsn_ip = htonl(ggsn_ip);
-
- LOGP(DRANAP, LOGL_DEBUG, "Assigning RAB: rab_id=%d, ggsn_ip=%x,"
- " teid_gn=%x, use_x213_nsap=%d\n",
- rab_id, ggsn_ip, pdp->lib->teid_gn, use_x213_nsap);
-
- msg = ranap_new_msg_rab_assign_data(rab_id, ggsn_ip,
- pdp->lib->teid_gn, use_x213_nsap);
- msg->l2h = msg->data;
- return ranap_iu_rab_act(uectx, msg);
-}
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 23:19:55 +0000