sgsn: Convert cch_pdp to host order for libgtp
libgtp is calling gtpie_tv2 which will convert this uint16_t from host
to network order. So far libosmogsm and the sgsn treated the charging
characteristics as opaque data. So when moving from byte array to the
uint16_t do the swapping.
Change-Id: I977aec2e2f8d57802e45f591754e5733562d5c2a
diff --git a/src/gprs/sgsn_libgtp.c b/src/gprs/sgsn_libgtp.c
index 0a0de08..bc2fcd1 100644
--- a/src/gprs/sgsn_libgtp.c
+++ b/src/gprs/sgsn_libgtp.c
@@ -235,11 +235,8 @@
}
/* charging characteristics if present */
- if (TLVP_LEN(tp, OSMO_IE_GSM_CHARG_CHAR) > 0) {
- OSMO_ASSERT(TLVP_LEN(tp, OSMO_IE_GSM_CHARG_CHAR) <= sizeof(pdp->cch_pdp));
- memcpy(&pdp->cch_pdp, TLVP_VAL(tp, OSMO_IE_GSM_CHARG_CHAR),
- TLVP_LEN(tp, OSMO_IE_GSM_CHARG_CHAR));
- }
+ if (TLVP_LEN(tp, OSMO_IE_GSM_CHARG_CHAR) >= sizeof(pdp->cch_pdp))
+ pdp->cch_pdp = tlvp_val16be(tp, OSMO_IE_GSM_CHARG_CHAR);
/* SGSN address for control plane */
pdp->gsnlc.l = sizeof(sgsn->cfg.gtp_listenaddr.sin_addr);