pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/libosmocore/+/35625?usp=email )
Change subject: gsm_04_08_gprs.h: Introduce packed struct gsm48_pdp_address
......................................................................
gsm_04_08_gprs.h: Introduce packed struct gsm48_pdp_address
This can be used in several protocols, such as GTP, GSUP, etc.
Related: OS#6091
Change-Id: I453ced42dd36df3a6ddb5db67093df5a22cad18c
---
M include/osmocom/gsm/protocol/gsm_04_08_gprs.h
1 file changed, 47 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/25/35625/1
diff --git a/include/osmocom/gsm/protocol/gsm_04_08_gprs.h
b/include/osmocom/gsm/protocol/gsm_04_08_gprs.h
index 8799d65..9452b27 100644
--- a/include/osmocom/gsm/protocol/gsm_04_08_gprs.h
+++ b/include/osmocom/gsm/protocol/gsm_04_08_gprs.h
@@ -294,10 +294,11 @@
PDP_S_MODIFY_PENDING,
};
-/* Table 10.5.155/3GPP TS 24.008 */
+/* TS 24.008 Table 10.5.155/3GPP */
enum gsm48_pdp_type_org {
PDP_TYPE_ORG_ETSI = 0x00,
PDP_TYPE_ORG_IETF = 0x01,
+ PDP_TYPE_ORG_EMPTY = 0x0f,
};
enum gsm48_pdp_type_nr {
PDP_TYPE_N_ETSI_RESERVED = 0x00,
@@ -306,6 +307,39 @@
PDP_TYPE_N_IETF_IPv6 = 0x57,
PDP_TYPE_N_IETF_IPv4v6 = 0x8D,
};
+/* TS 24.008 10.5.6.4 "Packet data protocol address" value
+ * Note: This can be reused for 3GPP TS 29.060 7.7.27 "End User Address"
+ * with minor changes in the values, like spare being 1111 instead.
+*/
+struct gsm48_pdp_address {
+#if OSMO_IS_LITTLE_ENDIAN
+uint8_t organization:4, /* enum gsm48_pdp_type_org */
+ spare:4; /* 0000 */
+#elif OSMO_IS_BIG_ENDIAN
+/* auto-generated from the little endian part above
(libosmocore/contrib/struct_endianness.py) */
+uint8_t spare:4, organization:4;
+#endif
+uint8_t type; /* enum gsm48_pdp_type_nr */
+ union {
+ /* PDP_TYPE_ORG_ETSI */
+ union {
+ } etsi;
+ /* PDP_TYPE_ORG_IETF */
+ union {
+ /* PDP_TYPE_N_IETF_IPv4 */
+ uint32_t v4;
+
+ /* PDP_TYPE_N_IETF_IPv6 */
+ uint8_t v6[16];
+
+ /* PDP_TYPE_N_IETF_IPv4v6 */
+ struct {
+ uint32_t v4;
+ uint8_t v6[16];
+ } __attribute__ ((packed)) v4v6;
+ } ietf;
+ };
+} __attribute__ ((packed));
/* Figure 10.5.138/24.008 / Chapter 10.5.6.5 */
enum gsm48_qos_reliab_class {
--
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I453ced42dd36df3a6ddb5db67093df5a22cad18c
Gerrit-Change-Number: 35625
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
Gerrit-MessageType: newchange
