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[SMF]: Update stored PCO IE requested over Gn in SMF context 

As per 3GPP TS 29.060 version 15.3.0, section 7.3.3, 7.3.4, 7.3.5 and 7.3.6

Only if PCO IE is included in Update/Delete PDP Context Request then it
must be present in Update/Delete PDP Context Response.

In order to reflect on whether the request contained PCO IE or not
the SMF context containing the GTP request needs to be updated
i.e. update if present else clear the contents
This commit is contained in:
herlesupreeth 2022-08-12 13:53:14 +02:00 committed by Sukchan Lee
parent 16ea972937
commit 7162684486
1 changed files with 18 additions and 0 deletions
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18
src/smf/gn-handler.c
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@ -314,6 +314,18 @@ uint8_t smf_gn_handle_delete_pdp_context_request(
return OGS_GTP1_CAUSE_NO_RESOURCES_AVAILABLE;
}
/* PCO */
if (req->protocol_configuration_options.presence) {
OGS_TLV_STORE_DATA(&sess->gtp.ue_pco,
&req->protocol_configuration_options);
} else {
/*
* Clear contents to reflect whether PCO IE was included or not as part
* of Delete PDP context request
*/
OGS_TLV_CLEAR_DATA(&sess->gtp.ue_pco);
}
ogs_debug(" SGW_S5C_TEID[0x%x] SMF_N4_TEID[0x%x]",
sess->sgw_s5c_teid, sess->smf_n4_teid);
return OGS_GTP1_CAUSE_REQUEST_ACCEPTED;
@ -460,6 +472,12 @@ void smf_gn_handle_update_pdp_context_request(
if (req->protocol_configuration_options.presence) {
OGS_TLV_STORE_DATA(&sess->gtp.ue_pco,
&req->protocol_configuration_options);
} else {
/*
* Clear contents to reflect whether PCO IE was included or not as part
* of Update PDP context request
*/
OGS_TLV_CLEAR_DATA(&sess->gtp.ue_pco);
}
memset(&h, 0, sizeof(ogs_gtp2_header_t));