diff options
Diffstat (limited to 'include/osmo-bts/pcuif_proto.h')
| -rw-r--r-- | include/osmo-bts/pcuif_proto.h | 129 |
1 files changed, 100 insertions, 29 deletions
diff --git a/include/osmo-bts/pcuif_proto.h b/include/osmo-bts/pcuif_proto.h index 2d24c434..04936af0 100644 --- a/include/osmo-bts/pcuif_proto.h +++ b/include/osmo-bts/pcuif_proto.h @@ -2,40 +2,42 @@ #define _PCUIF_PROTO_H #include <osmocom/gsm/l1sap.h> +#include <arpa/inet.h> +#include <osmocom/gsm/protocol/gsm_23_003.h> #define PCU_SOCK_DEFAULT "/tmp/pcu_bts" -#define PCU_IF_VERSION 0x09 +#define PCU_IF_VERSION 0x0c #define TXT_MAX_LEN 128 /* msg_type */ #define PCU_IF_MSG_DATA_REQ 0x00 /* send data to given channel */ -#define PCU_IF_MSG_DATA_CNF 0x01 /* confirm (e.g. transmission on PCH) */ #define PCU_IF_MSG_DATA_IND 0x02 /* receive data from given channel */ #define PCU_IF_MSG_SUSP_REQ 0x03 /* BTS forwards GPRS SUSP REQ to PCU */ -#define PCU_IF_MSG_APP_INFO_REQ 0x04 /* BTS asks PCU to tranmit APP INFO via PACCH */ +#define PCU_IF_MSG_APP_INFO_REQ 0x04 /* BTS asks PCU to transmit APP INFO via PACCH */ #define PCU_IF_MSG_RTS_REQ 0x10 /* ready to send request */ -#define PCU_IF_MSG_DATA_CNF_DT 0x11 /* confirm (with direct tlli) */ +#define PCU_IF_MSG_DATA_CNF_2 0x11 /* confirm (using message id) */ #define PCU_IF_MSG_RACH_IND 0x22 /* receive RACH */ #define PCU_IF_MSG_INFO_IND 0x32 /* retrieve BTS info */ #define PCU_IF_MSG_ACT_REQ 0x40 /* activate/deactivate PDCH */ #define PCU_IF_MSG_TIME_IND 0x52 /* GSM time indication */ +#define PCU_IF_MSG_INTERF_IND 0x53 /* interference report */ #define PCU_IF_MSG_PAG_REQ 0x60 /* paging request */ #define PCU_IF_MSG_TXT_IND 0x70 /* Text indication for BTS */ +#define PCU_IF_MSG_CONTAINER 0x80 /* Transparent container message */ /* sapi */ #define PCU_IF_SAPI_RACH 0x01 /* channel request on CCCH */ -#define PCU_IF_SAPI_AGCH 0x02 /* assignment on AGCH */ -#define PCU_IF_SAPI_PCH 0x03 /* paging/assignment on PCH */ #define PCU_IF_SAPI_BCCH 0x04 /* SI on BCCH */ #define PCU_IF_SAPI_PDTCH 0x05 /* packet data/control/ccch block */ #define PCU_IF_SAPI_PRACH 0x06 /* packet random access channel */ #define PCU_IF_SAPI_PTCCH 0x07 /* packet TA control channel */ -#define PCU_IF_SAPI_AGCH_DT 0x08 /* assignment on AGCH but with additional TLLI */ +#define PCU_IF_SAPI_PCH_2 0x08 /* assignment on PCH (confirmed using message id) */ +#define PCU_IF_SAPI_AGCH_2 0x09 /* assignment on AGCH (confirmed using message id) */ /* flags */ #define PCU_IF_FLAG_ACTIVE (1 << 0)/* BTS is active */ -#define PCU_IF_FLAG_SYSMO (1 << 1)/* access PDCH of sysmoBTS directly */ +#define PCU_IF_FLAG_DIRECT_PHY (1 << 1)/* access PHY directly via dedicated hardware support */ #define PCU_IF_FLAG_CS1 (1 << 16) #define PCU_IF_FLAG_CS2 (1 << 17) #define PCU_IF_FLAG_CS3 (1 << 18) @@ -50,6 +52,25 @@ #define PCU_IF_FLAG_MCS8 (1 << 27) #define PCU_IF_FLAG_MCS9 (1 << 28) +/* NSVC address type */ +#define PCU_IF_ADDR_TYPE_UNSPEC 0x00 /* No address - empty entry */ +#define PCU_IF_ADDR_TYPE_IPV4 0x04 /* IPv4 address */ +#define PCU_IF_ADDR_TYPE_IPV6 0x29 /* IPv6 address */ + +/* BTS model */ +enum gsm_pcuif_bts_model { + PCU_IF_BTS_MODEL_UNSPEC, + PCU_IF_BTS_MODEL_LC15, + PCU_IF_BTS_MODEL_OC2G, + PCU_IF_BTS_MODEL_OCTPHY, + PCU_IF_BTS_MODEL_SYSMO, + PCU_IF_BTS_MODEL_TRX, + PCU_IF_BTS_MODEL_RBS, +}; + +#define PCU_IF_NUM_NSVC 2 +#define PCU_IF_NUM_TRX 8 + enum gsm_pcu_if_text_type { PCU_VERSION, PCU_OML_ALERT, @@ -75,19 +96,10 @@ struct gsm_pcu_if_data { int16_t lqual_cb; /* !< \brief Link quality in centiBel */ } __attribute__ ((packed)); -/* data confirmation with direct tlli (instead of raw mac block with tlli) */ -struct gsm_pcu_if_data_cnf_dt { +/* data confirmation with message id (instead of raw mac block) */ +struct gsm_pcu_if_data_cnf { uint8_t sapi; - uint32_t tlli; - uint32_t fn; - uint16_t arfcn; - uint8_t trx_nr; - uint8_t ts_nr; - uint8_t block_nr; - int8_t rssi; - uint16_t ber10k; /* !< \brief BER in units of 0.01% */ - int16_t ta_offs_qbits; /* !< \brief Burst TA Offset in quarter bits */ - int16_t lqual_cb; /* !< \brief Link quality in centiBel */ + uint32_t msg_id; } __attribute__ ((packed)); struct gsm_pcu_if_rts_req { @@ -108,20 +120,31 @@ struct gsm_pcu_if_rach_ind { uint16_t arfcn; uint8_t is_11bit; uint8_t burst_type; + uint8_t trx_nr; + uint8_t ts_nr; +} __attribute__ ((packed)); + +struct gsm_pcu_if_info_trx_ts { + uint8_t tsc; + uint8_t hopping; + uint8_t hsn; + uint8_t maio; + uint8_t ma_bit_len; + uint8_t ma[8]; } __attribute__ ((packed)); struct gsm_pcu_if_info_trx { uint16_t arfcn; - uint8_t pdch_mask; /* PDCH channels per TS */ + uint8_t pdch_mask; /* PDCH timeslot mask */ uint8_t spare; - uint8_t tsc[8]; /* TSC per channel */ uint32_t hlayer1; + struct gsm_pcu_if_info_trx_ts ts[8]; } __attribute__ ((packed)); struct gsm_pcu_if_info_ind { uint32_t version; uint32_t flags; - struct gsm_pcu_if_info_trx trx[8]; /* TRX infos per BTS */ + struct gsm_pcu_if_info_trx trx[PCU_IF_NUM_TRX]; /* TRX infos per BTS */ uint8_t bsic; /* RAI */ uint16_t mcc, mnc; @@ -150,10 +173,15 @@ struct gsm_pcu_if_info_ind { uint8_t initial_cs; uint8_t initial_mcs; /* NSVC */ - uint16_t nsvci[2]; - uint16_t local_port[2]; - uint16_t remote_port[2]; - uint32_t remote_ip[2]; + uint16_t nsvci[PCU_IF_NUM_NSVC]; + uint16_t local_port[PCU_IF_NUM_NSVC]; + uint16_t remote_port[PCU_IF_NUM_NSVC]; + uint8_t address_type[PCU_IF_NUM_NSVC]; + union { + struct in_addr v4; + struct in6_addr v6; + } remote_ip[PCU_IF_NUM_NSVC]; + uint8_t bts_model; /* enum gsm_pcuif_bts_model */ } __attribute__ ((packed)); struct gsm_pcu_if_act_req { @@ -187,6 +215,48 @@ struct gsm_pcu_if_susp_req { uint8_t cause; } __attribute__ ((packed)); +/* Interference measurements on PDCH timeslots */ +struct gsm_pcu_if_interf_ind { + uint8_t trx_nr; + uint8_t spare[3]; + uint32_t fn; + uint8_t interf[8]; +} __attribute__ ((packed)); + +/* Contains messages transmitted BSC<->PCU, potentially forwarded by BTS via IPA/PCU */ +struct gsm_pcu_if_container { + uint8_t msg_type; + uint8_t spare; + uint16_t length; /* network byte order */ + uint8_t data[0]; +} __attribute__ ((packed)); + +/* Struct to send a (confirmed) IMMEDIATE ASSIGNMENT message via PCH. The struct is sent as a data request + * (data_req) under SAPI PCU_IF_SAPI_PCH_2. */ +struct gsm_pcu_if_pch { + /* message id as reference for confirmation */ + uint32_t msg_id; + /* IMSI (to derive paging group) */ + char imsi[OSMO_IMSI_BUF_SIZE]; + /* GSM mac-block (with immediate assignment message) */ + uint8_t data[GSM_MACBLOCK_LEN]; + /* Set to true in case the receiving end must send a confirmation + * when the MAC block (data) has been sent. */ + bool confirm; +} __attribute__((packed)); + +/* Struct to send a (confirmed) IMMEDIATE ASSIGNMENT message via AGCH. The struct is sent as a data request + * (data_req) under SAPI PCU_IF_SAPI_AGCH_2. */ +struct gsm_pcu_if_agch { + /* message id as reference for confirmation */ + uint32_t msg_id; + /* GSM mac-block (with immediate assignment message) */ + uint8_t data[GSM_MACBLOCK_LEN]; + /* Set to true in case the receiving end must send a confirmation + * when the MAC block (data) has been sent. */ + bool confirm; +} __attribute__((packed)); + struct gsm_pcu_if { /* context based information */ uint8_t msg_type; /* message type */ @@ -195,8 +265,7 @@ struct gsm_pcu_if { union { struct gsm_pcu_if_data data_req; - struct gsm_pcu_if_data data_cnf; - struct gsm_pcu_if_data_cnf_dt data_cnf_dt; + struct gsm_pcu_if_data_cnf data_cnf2; struct gsm_pcu_if_data data_ind; struct gsm_pcu_if_susp_req susp_req; struct gsm_pcu_if_rts_req rts_req; @@ -207,6 +276,8 @@ struct gsm_pcu_if { struct gsm_pcu_if_time_ind time_ind; struct gsm_pcu_if_pag_req pag_req; struct gsm_pcu_if_app_info_req app_info_req; + struct gsm_pcu_if_interf_ind interf_ind; + struct gsm_pcu_if_container container; } u; } __attribute__ ((packed)); |