81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
#define TRACE_MODULE _mme_s11_handler
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#include "core_debug.h"
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#include "gtp_types.h"
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#include "mme_event.h"
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#include "mme_context.h"
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#include "mme_s11_handler.h"
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void mme_s11_handle_create_session_response(
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mme_ue_t *ue, gtp_create_session_response_t *rsp)
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{
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event_t e;
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gtp_f_teid_t *sgw_s11_teid = NULL;
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gtp_f_teid_t *sgw_s1u_teid = NULL;
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mme_esm_t *esm = NULL;
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pdn_t *pdn = NULL;
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d_assert(ue, return, "Null param");
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d_assert(rsp, return, "Null param");
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if (rsp->sender_f_teid_for_control_plane.presence == 0)
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{
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d_error("No GTP TEID");
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return;
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}
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if (rsp->pdn_address_allocation.presence == 0)
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{
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d_error("No PDN Address Allocation");
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return;
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}
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if (rsp->bearer_contexts_created.presence == 0)
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{
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d_error("No Bearer");
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return;
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}
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if (rsp->bearer_contexts_created.eps_bearer_id.presence == 0)
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{
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d_error("No EPS Bearer ID");
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return;
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}
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if (rsp->bearer_contexts_created.s1_u_enodeb_f_teid.presence == 0)
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{
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d_error("No GTP TEID");
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return;
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}
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esm = mme_esm_find_by_ebi(
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ue, rsp->bearer_contexts_created.eps_bearer_id.u8);
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d_assert(esm, return, "No ESM Context");
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pdn = esm->pdn;
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d_assert(pdn, return, "No PDN Context");
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/* Receive Control Plane(UL) : SGW-S11 */
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sgw_s11_teid = rsp->sender_f_teid_for_control_plane.data;
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ue->sgw_s11_teid = ntohl(sgw_s11_teid->teid);
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ue->sgw_s11_addr = sgw_s11_teid->ipv4_addr;
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memcpy(&pdn->paa, rsp->pdn_address_allocation.data,
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rsp->pdn_address_allocation.len);
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if (rsp->protocol_configuration_options.presence)
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{
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esm->pgw_pco_len = rsp->protocol_configuration_options.len;
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memcpy(esm->pgw_pco, rsp->protocol_configuration_options.data,
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esm->pgw_pco_len);
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}
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/* Receive Data Plane(UL) : SGW-S1U */
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sgw_s1u_teid = rsp->bearer_contexts_created.s1_u_enodeb_f_teid.data;
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esm->sgw_s1u_teid = ntohl(sgw_s1u_teid->teid);
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esm->sgw_s1u_addr = sgw_s1u_teid->ipv4_addr;
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event_set(&e, MME_EVT_EMM_BEARER_LO_CREATE_SESSION);
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event_set_param1(&e, (c_uintptr_t)esm->index);
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mme_event_send(&e);
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}
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