2017-03-04 15:54:15 +00:00
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#define TRACE_MODULE _mme_ctx
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2017-02-06 06:30:12 +00:00
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#include "core_debug.h"
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#include "core_pool.h"
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2017-03-23 14:15:55 +00:00
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#include "gtp_path.h"
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2017-03-26 06:34:34 +00:00
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#include "s1ap_message.h"
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2017-04-06 10:20:33 +00:00
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#include "mme_context.h"
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2017-02-06 06:30:12 +00:00
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2017-04-04 05:00:02 +00:00
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#define MAX_CELL_PER_ENB 8
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#define MAX_ERAB_PER_UE 16
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2017-03-05 04:03:11 +00:00
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2017-04-04 05:00:02 +00:00
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#define MAX_NUM_OF_SGW 8
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#define MAX_NUM_OF_ERAB (MAX_NUM_OF_UE * MAX_ERAB_PER_UE)
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2017-03-05 04:03:11 +00:00
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2017-03-23 14:05:40 +00:00
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#define S1AP_SCTP_PORT 36412
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2017-03-04 14:48:04 +00:00
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2017-02-06 06:30:12 +00:00
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static mme_ctx_t self;
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2017-04-04 05:00:02 +00:00
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pool_declare(sgw_pool, sgw_ctx_t, MAX_NUM_OF_SGW);
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pool_declare(enb_pool, enb_ctx_t, MAX_NUM_OF_ENB);
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pool_declare(ue_pool, ue_ctx_t, MAX_NUM_OF_UE);
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2017-02-13 04:19:53 +00:00
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2017-03-24 09:47:05 +00:00
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static int ctx_initialized = 0;
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2017-02-06 06:30:12 +00:00
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2017-03-26 15:48:33 +00:00
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static list_t sgw_list;
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2017-03-24 09:47:05 +00:00
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static list_t enb_list;
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2017-02-13 04:19:53 +00:00
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2017-03-04 16:05:03 +00:00
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status_t mme_ctx_init()
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2017-02-06 06:30:12 +00:00
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{
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2017-03-24 09:47:05 +00:00
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d_assert(ctx_initialized == 0, return CORE_ERROR,
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"MME context already has been ctx_initialized");
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2017-02-06 06:30:12 +00:00
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2017-04-04 05:00:02 +00:00
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pool_init(&sgw_pool, MAX_NUM_OF_SGW);
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pool_init(&enb_pool, MAX_NUM_OF_ENB);
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pool_init(&ue_pool, MAX_NUM_OF_UE);
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2017-02-13 04:19:53 +00:00
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2017-03-26 15:48:33 +00:00
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list_init(&sgw_list);
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2017-03-24 09:47:05 +00:00
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list_init(&enb_list);
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2017-02-13 04:19:53 +00:00
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2017-02-06 06:30:12 +00:00
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/* Initialize MME context */
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memset(&self, 0, sizeof(mme_ctx_t));
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2017-03-26 15:48:33 +00:00
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self.s1ap_addr = inet_addr("127.0.0.1");
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2017-03-24 09:47:05 +00:00
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self.s1ap_port = S1AP_SCTP_PORT;
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2017-02-13 04:19:53 +00:00
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2017-03-27 04:22:42 +00:00
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sgw_ctx_t *sgw = mme_ctx_sgw_add();
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d_assert(sgw, return CORE_ERROR, "Can't add SGW context");
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2017-03-28 07:35:57 +00:00
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self.s11_addr = inet_addr("127.0.0.1");
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self.s11_port = GTPV2_C_UDP_PORT;
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2017-03-27 04:22:42 +00:00
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sgw->gnode.addr = inet_addr("127.0.0.1");
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sgw->gnode.port = GTPV2_C_UDP_PORT+1;
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2017-03-24 13:52:55 +00:00
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/* MCC : 001, MNC : 01 */
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plmn_id_build(&self.plmn_id, 1, 1, 2);
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2017-02-14 00:09:01 +00:00
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self.tracking_area_code = 12345;
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self.default_paging_drx = S1ap_PagingDRX_v64;
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2017-02-06 10:12:10 +00:00
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self.relative_capacity = 0xff;
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2017-02-06 06:30:12 +00:00
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2017-02-06 10:12:10 +00:00
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self.srvd_gummei.num_of_plmn_id = 1;
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2017-03-24 13:52:55 +00:00
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/* MCC : 001, MNC : 01 */
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plmn_id_build(&self.srvd_gummei.plmn_id[0], 1, 1, 2);
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2017-02-06 06:30:12 +00:00
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2017-02-13 05:41:20 +00:00
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self.srvd_gummei.num_of_mme_gid = 1;
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self.srvd_gummei.mme_gid[0] = 2;
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self.srvd_gummei.num_of_mme_code = 1;
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self.srvd_gummei.mme_code[0] = 1;
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2017-02-06 06:30:12 +00:00
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2017-03-07 05:47:17 +00:00
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self.selected_enc_algorithm = NAS_SECURITY_ALGORITHMS_EEA0;
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2017-03-07 00:30:12 +00:00
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self.selected_int_algorithm = NAS_SECURITY_ALGORITHMS_128_EIA1;
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2017-03-24 09:47:05 +00:00
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ctx_initialized = 1;
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2017-02-06 06:30:12 +00:00
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return CORE_OK;
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}
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2017-03-04 16:05:03 +00:00
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status_t mme_ctx_final()
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2017-02-06 06:30:12 +00:00
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{
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2017-03-24 09:47:05 +00:00
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d_assert(ctx_initialized == 1, return CORE_ERROR,
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2017-02-06 06:30:12 +00:00
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"HyperCell context already has been finalized");
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2017-03-27 04:22:42 +00:00
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mme_ctx_sgw_remove_all();
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2017-03-04 16:05:03 +00:00
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mme_ctx_enb_remove_all();
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2017-02-13 04:19:53 +00:00
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2017-03-26 15:48:33 +00:00
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pool_final(&sgw_pool);
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2017-02-13 04:19:53 +00:00
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pool_final(&enb_pool);
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pool_final(&ue_pool);
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2017-03-24 09:47:05 +00:00
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ctx_initialized = 0;
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2017-02-06 06:30:12 +00:00
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return CORE_OK;
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}
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mme_ctx_t* mme_self()
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{
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return &self;
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}
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2017-02-13 04:19:53 +00:00
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2017-03-26 15:48:33 +00:00
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sgw_ctx_t* mme_ctx_sgw_add()
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{
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sgw_ctx_t *sgw = NULL;
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pool_alloc_node(&sgw_pool, &sgw);
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d_assert(sgw, return NULL, "Null param");
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memset(sgw, 0, sizeof(sgw_ctx_t));
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2017-04-03 06:31:57 +00:00
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list_init(&sgw->gnode.local_list);
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list_init(&sgw->gnode.remote_list);
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2017-03-30 12:17:05 +00:00
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2017-03-26 15:48:33 +00:00
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list_append(&sgw_list, sgw);
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return sgw;
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}
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status_t mme_ctx_sgw_remove(sgw_ctx_t *sgw)
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{
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d_assert(sgw, return CORE_ERROR, "Null param");
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list_remove(&sgw_list, sgw);
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pool_free_node(&sgw_pool, sgw);
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return CORE_OK;
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}
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status_t mme_ctx_sgw_remove_all()
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{
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sgw_ctx_t *sgw = NULL, *next_sgw = NULL;
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sgw = mme_ctx_sgw_first();
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while (sgw)
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{
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next_sgw = mme_ctx_sgw_next(sgw);
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mme_ctx_sgw_remove(sgw);
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sgw = next_sgw;
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}
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return CORE_OK;
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}
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sgw_ctx_t* mme_ctx_sgw_find_by_node(gtp_node_t *gnode)
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{
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sgw_ctx_t *sgw = NULL;
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sgw = mme_ctx_sgw_first();
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while (sgw)
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{
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2017-03-27 04:22:42 +00:00
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if (GTP_COMPARE_NODE(&sgw->gnode, gnode))
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2017-03-26 15:48:33 +00:00
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break;
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sgw = mme_ctx_sgw_next(sgw);
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}
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return sgw;
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}
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sgw_ctx_t* mme_ctx_sgw_first()
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{
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return list_first(&sgw_list);
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}
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sgw_ctx_t* mme_ctx_sgw_next(sgw_ctx_t *sgw)
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{
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return list_next(sgw);
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}
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2017-03-04 16:05:03 +00:00
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enb_ctx_t* mme_ctx_enb_add()
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2017-02-13 04:19:53 +00:00
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{
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enb_ctx_t *enb = NULL;
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pool_alloc_node(&enb_pool, &enb);
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2017-03-05 04:03:11 +00:00
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d_assert(enb, return NULL, "Null param");
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2017-02-13 04:19:53 +00:00
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memset(enb, 0, sizeof(enb_ctx_t));
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2017-03-05 04:03:11 +00:00
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list_init(&enb->ue_list);
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2017-03-24 09:47:05 +00:00
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list_append(&enb_list, enb);
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2017-02-13 04:19:53 +00:00
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return enb;
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}
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2017-03-04 16:05:03 +00:00
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status_t mme_ctx_enb_remove(enb_ctx_t *enb)
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2017-02-13 04:19:53 +00:00
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{
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d_assert(enb, return CORE_ERROR, "Null param");
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2017-03-05 04:03:11 +00:00
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mme_ctx_ue_remove_all(enb);
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2017-03-24 09:47:05 +00:00
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list_remove(&enb_list, enb);
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2017-02-13 04:19:53 +00:00
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pool_free_node(&enb_pool, enb);
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return CORE_OK;
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}
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2017-03-04 16:05:03 +00:00
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status_t mme_ctx_enb_remove_all()
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2017-02-13 04:19:53 +00:00
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{
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enb_ctx_t *enb = NULL, *next_enb = NULL;
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2017-03-05 04:03:11 +00:00
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enb = mme_ctx_enb_first();
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2017-02-13 04:19:53 +00:00
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while (enb)
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{
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2017-03-05 04:03:11 +00:00
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next_enb = mme_ctx_enb_next(enb);
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2017-02-13 04:19:53 +00:00
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2017-03-04 16:05:03 +00:00
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mme_ctx_enb_remove(enb);
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2017-02-13 04:19:53 +00:00
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enb = next_enb;
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}
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return CORE_OK;
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}
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2017-03-04 16:05:03 +00:00
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enb_ctx_t* mme_ctx_enb_find_by_sock(net_sock_t *sock)
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2017-02-13 04:19:53 +00:00
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{
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enb_ctx_t *enb = NULL;
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2017-03-05 04:03:11 +00:00
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enb = mme_ctx_enb_first();
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2017-02-13 04:19:53 +00:00
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while (enb)
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{
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2017-03-05 04:03:11 +00:00
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if (sock == enb->s1ap_sock)
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2017-02-13 04:19:53 +00:00
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break;
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2017-03-05 04:03:11 +00:00
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enb = mme_ctx_enb_next(enb);
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2017-02-13 04:19:53 +00:00
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}
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return enb;
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}
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2017-03-05 04:03:11 +00:00
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enb_ctx_t* mme_ctx_enb_find_by_enb_id(c_uint32_t enb_id)
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2017-02-13 04:19:53 +00:00
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{
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enb_ctx_t *enb = NULL;
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2017-03-24 09:47:05 +00:00
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enb = list_first(&enb_list);
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2017-02-13 04:19:53 +00:00
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while (enb)
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{
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2017-03-05 04:03:11 +00:00
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if (enb_id == enb->enb_id)
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2017-02-13 04:19:53 +00:00
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break;
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enb = list_next(enb);
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}
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return enb;
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}
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2017-03-04 16:05:03 +00:00
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enb_ctx_t* mme_ctx_enb_first()
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2017-02-13 04:19:53 +00:00
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{
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2017-03-24 09:47:05 +00:00
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return list_first(&enb_list);
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2017-02-13 04:19:53 +00:00
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}
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2017-03-04 16:05:03 +00:00
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enb_ctx_t* mme_ctx_enb_next(enb_ctx_t *enb)
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2017-02-13 04:19:53 +00:00
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{
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return list_next(enb);
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}
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2017-03-05 04:03:11 +00:00
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ue_ctx_t* mme_ctx_ue_add(enb_ctx_t *enb)
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{
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ue_ctx_t *ue = NULL;
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d_assert(enb, return NULL, "Null param");
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pool_alloc_node(&ue_pool, &ue);
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d_assert(ue, return NULL, "Null param");
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memset(ue, 0, sizeof(ue_ctx_t));
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ue->enb = enb;
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2017-04-06 08:23:18 +00:00
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ue->mme_ue_s1ap_id = NEXT_ID(self.mme_ue_s1ap_id, 0xffffffff);
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2017-03-08 10:10:01 +00:00
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2017-03-05 04:03:11 +00:00
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list_append(&enb->ue_list, ue);
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return ue;
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}
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status_t mme_ctx_ue_remove(ue_ctx_t *ue)
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{
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d_assert(ue, return CORE_ERROR, "Null param");
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d_assert(ue->enb, return CORE_ERROR, "Null param");
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2017-03-27 10:32:24 +00:00
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if (FSM_STATE(&ue->emm_sm))
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{
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fsm_final((fsm_t*)&ue->emm_sm, 0);
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fsm_clear((fsm_t*)&ue->emm_sm);
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}
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if (FSM_STATE(&ue->esm_sm))
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{
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fsm_final((fsm_t*)&ue->esm_sm, 0);
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fsm_clear((fsm_t*)&ue->esm_sm);
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}
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2017-03-05 04:03:11 +00:00
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list_remove(&ue->enb->ue_list, ue);
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pool_free_node(&ue_pool, ue);
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return CORE_OK;
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}
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status_t mme_ctx_ue_remove_all(enb_ctx_t *enb)
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|
|
{
|
|
|
|
ue_ctx_t *ue = NULL, *next_ue = NULL;
|
|
|
|
|
|
|
|
ue = mme_ctx_ue_first(enb);
|
|
|
|
while (ue)
|
|
|
|
{
|
|
|
|
next_ue = mme_ctx_ue_next(ue);
|
|
|
|
|
|
|
|
mme_ctx_ue_remove(ue);
|
|
|
|
|
|
|
|
ue = next_ue;
|
|
|
|
}
|
|
|
|
|
|
|
|
return CORE_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
ue_ctx_t* mme_ctx_ue_find_by_enb_ue_s1ap_id(
|
|
|
|
enb_ctx_t *enb, c_uint32_t enb_ue_s1ap_id)
|
|
|
|
{
|
|
|
|
ue_ctx_t *ue = NULL;
|
|
|
|
|
|
|
|
ue = mme_ctx_ue_first(enb);
|
|
|
|
while (ue)
|
|
|
|
{
|
|
|
|
if (enb_ue_s1ap_id == ue->enb_ue_s1ap_id)
|
|
|
|
break;
|
|
|
|
|
|
|
|
ue = mme_ctx_ue_next(ue);
|
|
|
|
}
|
|
|
|
|
|
|
|
return ue;
|
|
|
|
}
|
|
|
|
|
|
|
|
ue_ctx_t* mme_ctx_ue_first(enb_ctx_t *enb)
|
|
|
|
{
|
|
|
|
return list_first(&enb->ue_list);
|
|
|
|
}
|
|
|
|
|
|
|
|
ue_ctx_t* mme_ctx_ue_next(ue_ctx_t *ue)
|
|
|
|
{
|
|
|
|
return list_next(ue);
|
|
|
|
}
|
|
|
|
|