38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
#include <stdio.h>
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#include <osmocom/core/gsmtap.h>
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#include <osmocom/core/gsmtap_util.h>
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#include <osmocom/core/utils.h>
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#include "diag_log.h"
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#include "protocol/diag_log_umts.h"
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static void handle_nas_msg(struct diag_instance *di, struct log_hdr *lh, struct msgb *msg)
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{
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uint16_t arfcn = 0;
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struct diag_umts_nas_ota_msg *nas = (struct diag_umts_nas_ota_msg *) msgb_data(msg);
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/* track rat, don't duplicate rrc message contents here for != 2g */
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if(di->rat_type != DIAG_INST_RAT_2G)
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return;
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// printf("NAS: %cL %u: %s\n", nas->direction ? 'U':'D', nas->msg_length,
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// osmo_hexdump(msgb_data(msg), nas->msg_length));
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arfcn = nas->direction ? di->umts_arfcn_ul : di->umts_arfcn_dl;
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arfcn = nas->direction ? arfcn | GSMTAP_ARFCN_F_UPLINK: arfcn;
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if (di->gsmtap && di->flags & DIAG_INST_F_GSMTAP_DECODED) {
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gsmtap_send_ex(di->gsmtap, GSMTAP_TYPE_ABIS, arfcn, 0, 0, 0, 0, 0, 0, nas->data, nas->msg_length);
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}
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}
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static const struct diag_log_dispatch_tbl log_tbl[] = {
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{ UMTS(LOG_UMTS_NAS_OTA_MESSAGE_LOG_PACKET_C), handle_nas_msg },
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};
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static __attribute__((constructor)) void on_dso_load_umts(void)
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{
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diag_log_reg_dispatch(log_tbl, ARRAY_SIZE(log_tbl));
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}
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