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srsLTE
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Added UML diagram to docs

This commit is contained in:
Pedro Alvarez 2017-12-22 00:14:42 +00:00
parent ce78d895d5
commit 05604ec6eb
3 changed files with 1619 additions and 36 deletions
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1612
srsepc/docs/source/_imgs/epc-uml.svg Normal file
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30
srsepc/docs/source/epc_design.rst
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@ -6,31 +6,13 @@ Code Structure
The LTE library should include the following functionality that will be common accress multiple nodes.
.. blockdiag::
.. _epc-overall:
blockdiag {
srsLTE -> lib -> src -> upper -> gtpu.cc;
upper -> gtpc.cc;
upper -> s1app.cc;
upper -> diameter.cc;
src -> asn1;
}
.. figure:: _imgs/epc-uml.svg
EPC overall class architecture
The examples should aim to include the following classes
.. blockdiag::
blockdiag {
srsLTE -> srsepc -> src -> mme -> mme.cc;
mme -> main.cc;
src -> hss -> hss.cc;
hss -> main.cc;
src -> spgw -> spgw.cc;
spgw -> main.cc;
srsepc -> src -> main.cc;
src -> epc.cc;
}
MME Design
@ -43,8 +25,6 @@ The main loop of the MME will
HSS Design
**********
S-GW Design
SP-GW Design
***********
P-GW Design
***********

13
srsepc/hdr/mme/s1ap.h
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@ -68,22 +68,13 @@ public:
bool handle_s1ap_rx_pdu(srslte::byte_buffer_t *pdu, struct sctp_sndrcvinfo *enb_sri);
bool handle_initiating_message(LIBLTE_S1AP_INITIATINGMESSAGE_STRUCT *msg, struct sctp_sndrcvinfo *enb_sri);
bool handle_initial_ue_message(LIBLTE_S1AP_MESSAGE_INITIALUEMESSAGE_STRUCT *init_ue, struct sctp_sndrcvinfo *enb_sri);
bool handle_uplink_nas_transport(LIBLTE_S1AP_MESSAGE_UPLINKNASTRANSPORT_STRUCT *ul_xport, struct sctp_sndrcvinfo *enb_sri);
bool handle_ue_context_release_request(LIBLTE_S1AP_MESSAGE_UECONTEXTRELEASEREQUEST_STRUCT *ue_rel, struct sctp_sndrcvinfo *enb_sri);
bool handle_nas_authentication_response(srslte::byte_buffer_t *nas_buffer, srslte::byte_buffer_t *reply_buffer, ue_ctx_t *ue_ctx);
bool handle_nas_security_mode_complete(srslte::byte_buffer_t *nas_msg, srslte::byte_buffer_t *reply_msg, ue_ctx_t *ue_ctx);
bool send_initial_context_setup_request(uint32_t mme_ue_s1ap_id, struct srslte::gtpc_create_session_response *cs_resp, struct srslte::gtpc_f_teid_ie sgw_ctrl_fteid);
bool handle_successful_outcome(LIBLTE_S1AP_SUCCESSFULOUTCOME_STRUCT *msg);
bool handle_ue_context_release_request(LIBLTE_S1AP_MESSAGE_UECONTEXTRELEASEREQUEST_STRUCT *ue_rel, struct sctp_sndrcvinfo *enb_sri);
bool send_initial_context_setup_request(uint32_t mme_ue_s1ap_id, struct srslte::gtpc_create_session_response *cs_resp, struct srslte::gtpc_f_teid_ie sgw_ctrl_fteid);
bool handle_initial_context_setup_response(LIBLTE_S1AP_MESSAGE_INITIALCONTEXTSETUPRESPONSE_STRUCT *in_ctxt_resp);
bool handle_nas_attach_complete(srslte::byte_buffer_t *nas_msg, srslte::byte_buffer_t *reply_msg, ue_ctx_t *ue_ctx);
void activate_eps_bearer(uint32_t mme_s1ap_id, uint8_t ebi);
bool pack_esm_information_request(srslte::byte_buffer_t* reply_msg, srsepc::ue_ctx_t* ue_ctx);
bool handle_esm_information_response(srslte::byte_buffer_t *nas_msg, srslte::byte_buffer_t *reply_msg, ue_ctx_t* ue_ctx);
void print_enb_ctx_info(const std::string &prefix, const enb_ctx_t &enb_ctx);