[GPRS] SNDCP: Implement fragmentation of N-PDUs to SN-PDUs in downlink
Using the code of this commit, it was possible to provision GPRS
services and access a website from a G1 phone (Qualcomm MSM7k baseband chipset)
using a nanoBTS, Osmo-SGSN and OpenGGSN.
There is still no fragment re-assembly in the uplink path yet,
despite the (untested) code present in the gprs_sndcp.c file
diff --git a/openbsc/include/openbsc/sgsn.h b/openbsc/include/openbsc/sgsn.h
index cc24f97..eccfdea 100644
--- a/openbsc/include/openbsc/sgsn.h
+++ b/openbsc/include/openbsc/sgsn.h
@@ -54,6 +54,8 @@
/* Entry point for the SNSM-ACTIVATE.indication */
int sndcp_sm_activate_ind(struct gprs_llc_lle *lle, uint8_t nsapi);
+/* Entry point for the SNSM-DEACTIVATE.indication */
+int sndcp_sm_deactivate_ind(struct gprs_llc_lle *lle, uint8_t nsapi);
/* Called by SNDCP when it has received/re-assembled a N-PDU */
int sgsn_rx_sndcp_ud_ind(uint32_t tlli, uint8_t nsapi, struct msgb *msg,
uint32_t npdu_len, uint8_t *npdu);