diff options
| author | Alexander Couzens <lynxis@fe80.eu> | 2024-02-22 16:28:09 +0100 |
|---|---|---|
| committer | Pau Espin Pedrol <pespin@sysmocom.de> | 2024-02-27 14:30:50 +0100 |
| commit | b6798596363df0deb18eb61c5acd23b2fc21a339 (patch) | |
| tree | 7626a2219c8168c97fe1997fc3887a95b8524822 | |
| parent | 9d73503bd09eb164f781d488bf2c839c0822798a (diff) | |
gsup.h: define newly added PCO IEpespin/gsup
PCO - Protocol Configuration Options 3GPP TS 24.008 / 10.5.6.3.
The PCO will be used by the osmo-epdg to pass PCO internally.
The PCO will be passed towards to the PGW in the Session Request.
Related: OS#6369
Related: osmo-gsm-manuals.git Change-Id Id912ead4e1205f84a40af6505a5ddf050d1e086d
Change-Id: I0f9de90c7c67fe194b441a9d118eba70f09afb5e
| -rw-r--r-- | TODO-RELEASE | 1 | ||||
| -rw-r--r-- | include/osmocom/gsm/gsup.h | 8 | ||||
| -rw-r--r-- | src/gsm/gsup.c | 10 |
3 files changed, 19 insertions, 0 deletions
diff --git a/TODO-RELEASE b/TODO-RELEASE index a8e812bf..63dcff87 100644 --- a/TODO-RELEASE +++ b/TODO-RELEASE @@ -18,3 +18,4 @@ gsm ABI change add T200 timer states to lapdm_datalink gsm ABI change add UI queue to struct lapdm_datalink gsm ADD gsup.h: struct osmo_gsup_pdp_info fields pdp_type_nr, pdp_type_org, deprecate pdp_type. gsm ABI change gsup.h: Add field pdp_address in struct osmo_gsup_pdp_info shifts the struct, and in turn fields in struct osmo_gsup_message. +gsm ABI change gsup.h: Add field pco in struct osmo_gsup_message. Length of the struct osmo_gsup_message increase. diff --git a/include/osmocom/gsm/gsup.h b/include/osmocom/gsm/gsup.h index a17a729c..6ad72d28 100644 --- a/include/osmocom/gsm/gsup.h +++ b/include/osmocom/gsm/gsup.h @@ -61,6 +61,7 @@ /*! Maximum number of octets encoding MSISDN in BCD format */ #define OSMO_GSUP_MAX_MSISDN_LEN 9 #define OSMO_GSUP_MAX_CALLED_PARTY_BCD_LEN 43 /* TS 24.008 10.5.4.7 */ +#define OSMO_GSUP_MAX_PCO_LEN 251 /*! Information Element Identifiers for GSUP IEs */ enum osmo_gsup_iei { @@ -80,6 +81,7 @@ enum osmo_gsup_iei { OSMO_GSUP_ACCESS_POINT_NAME_IE = 0x12, OSMO_GSUP_PDP_QOS_IE = 0x13, OSMO_GSUP_CHARG_CHAR_IE = 0x14, + OSMO_GSUP_PCO_IE = 0x15, OSMO_GSUP_RAND_IE = 0x20, OSMO_GSUP_SRES_IE = 0x21, OSMO_GSUP_KC_IE = 0x22, @@ -406,6 +408,12 @@ struct osmo_gsup_message { enum osmo_rat_type current_rat_type; enum osmo_rat_type supported_rat_types[8]; /*!< arbitrary choice */ size_t supported_rat_types_len; + + /*! PCO protocol option 3GPP TS 24.008 10.5.6.3 / Table 10.5.136. PCO contains Octet 3-ZA */ + const uint8_t *pco; + /*! Number of bytes of the PCO. */ + size_t pco_len; + }; int osmo_gsup_decode(const uint8_t *data, size_t data_len, diff --git a/src/gsm/gsup.c b/src/gsm/gsup.c index 3daf75c8..4f0a1b5f 100644 --- a/src/gsm/gsup.c +++ b/src/gsm/gsup.c @@ -506,6 +506,11 @@ int osmo_gsup_decode(const uint8_t *const_data, size_t data_len, gsup_msg->rand = value; break; + case OSMO_GSUP_PCO_IE: + gsup_msg->pco = value; + gsup_msg->pco_len = value_len; + break; + case OSMO_GSUP_MSISDN_IE: gsup_msg->msisdn_enc = value; gsup_msg->msisdn_enc_len = value_len; @@ -872,6 +877,11 @@ int osmo_gsup_encode(struct msgb *msg, const struct osmo_gsup_message *gsup_msg) if (gsup_msg->rand) msgb_tlv_put(msg, OSMO_GSUP_RAND_IE, 16, gsup_msg->rand); + if (gsup_msg->pco && gsup_msg->pco_len > 0) { + if (gsup_msg->pco_len > OSMO_GSUP_MAX_PCO_LEN) + return -EINVAL; + msgb_tlv_put(msg, OSMO_GSUP_PCO_IE, gsup_msg->pco_len, gsup_msg->pco); + } if (gsup_msg->cn_domain) { uint8_t dn = gsup_msg->cn_domain; msgb_tlv_put(msg, OSMO_GSUP_CN_DOMAIN_IE, 1, &dn); |