| /* gprs_bssgp_pcu.h |
| * |
| * Copyright (C) 2012 Ivan Klyuchnikov |
| * Copyright (C) 2013 by Holger Hans Peter Freyther |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef GPRS_BSSGP_PCU_H |
| #define GPRS_BSSGP_PCU_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| #include <osmocom/core/talloc.h> |
| #include <osmocom/core/rate_ctr.h> |
| #include <osmocom/core/logging.h> |
| #include <osmocom/core/signal.h> |
| #include <osmocom/core/application.h> |
| #include <osmocom/gprs/gprs_ns2.h> |
| #include <osmocom/gprs/gprs_bssgp.h> |
| #include <osmocom/gprs/gprs_bssgp_bss.h> |
| #include <osmocom/gprs/gprs_msgb.h> |
| |
| struct bssgp_bvc_ctx *btsctx_alloc(uint16_t bvci, uint16_t nsei); |
| |
| #include <gprs_debug.h> |
| |
| #include <time.h> |
| #include <unistd.h> |
| |
| #define QOS_PROFILE 4 |
| #define BSSGP_HDR_LEN 53 |
| #define NS_HDR_LEN 4 |
| #define IE_LLC_PDU 14 |
| |
| enum sgsn_counter_id { |
| SGSN_CTR_RX_PAGING_CS, |
| SGSN_CTR_RX_PAGING_PS, |
| }; |
| |
| struct gprs_bssgp_pcu { |
| struct bssgp_bvc_ctx *bctx; |
| |
| struct gprs_rlcmac_bts *bts; |
| |
| struct osmo_timer_list bvc_timer; |
| |
| struct rate_ctr_group *ctrs; |
| |
| /* state: is the NSVC unblocked? */ |
| int nsvc_unblocked; |
| |
| /* state: true if bvc signalling needs to be reseted or waiting for reset ack */ |
| int bvc_sig_reset; |
| /* state: true if bvc ptp needs to be reseted or waiting for reset ack */ |
| int bvc_reset; |
| /* state: true if bvc ptp is unblocked */ |
| int bvc_unblocked; |
| |
| /* Flow control */ |
| struct timespec queue_delay_sum; |
| unsigned queue_delay_count; |
| uint8_t fc_tag; |
| unsigned queue_frames_sent; |
| unsigned queue_bytes_recv; |
| unsigned queue_frames_recv; |
| |
| /** callbacks below */ |
| |
| /* The BSSGP has been unblocked */ |
| void (*on_unblock_ack)(struct gprs_bssgp_pcu *pcu); |
| |
| /* When BSSGP data arrives. The msgb is not only for reference */ |
| void (*on_dl_unit_data)(struct gprs_bssgp_pcu *pcu, struct msgb *msg, |
| struct tlv_parsed *tp); |
| }; |
| |
| int gprs_gp_send_cb(void *ctx, struct msgb *msg); |
| int gprs_ns_prim_cb(struct osmo_prim_hdr *oph, void *ctx); |
| void gprs_bssgp_update_queue_delay(const struct timespec *tv_recv, |
| const struct timespec *tv_now); |
| void gprs_bssgp_update_frames_sent(); |
| void gprs_bssgp_update_bytes_received(unsigned bytes_recv, unsigned frames_recv); |
| |
| struct gprs_bssgp_pcu *gprs_bssgp_init( |
| struct gprs_rlcmac_bts *bts, |
| uint16_t nsei, uint16_t bvci, |
| uint16_t mcc, uint16_t mnc, bool mnc_3_digits, |
| uint16_t lac, uint16_t rac, uint16_t cell_id); |
| |
| int gprs_ns_update_config(struct gprs_rlcmac_bts *bts, uint16_t nsei, |
| const struct osmo_sockaddr *local, |
| const struct osmo_sockaddr *remote, |
| uint16_t *nsvci, uint16_t valid); |
| |
| void gprs_bssgp_destroy(struct gprs_rlcmac_bts *bts); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // GPRS_BSSGP_PCU_H |