diff options
| author | Pau Espin Pedrol <pespin@sysmocom.de> | 2024-01-19 18:02:05 +0100 |
|---|---|---|
| committer | Pau Espin Pedrol <pespin@sysmocom.de> | 2024-01-20 00:31:23 +0100 |
| commit | f196b889dc913e8682cd990f9b7823122d6e5f51 (patch) | |
| tree | e7bc626369b1127fd3e564c0783d3617f3c93ca9 | |
| parent | 8dfdfc38add5677c79385af94a798006a60b2ee4 (diff) | |
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
| -rw-r--r-- | include/osmocom/gsm/protocol/gsm_04_08_gprs.h | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/include/osmocom/gsm/protocol/gsm_04_08_gprs.h b/include/osmocom/gsm/protocol/gsm_04_08_gprs.h index 8799d654..2671aafb 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 @@ enum gsm48_pdp_state { 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 @@ enum gsm48_pdp_type_nr { 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 { |