From bbf9034eaab39ad637ef9a3a1fd935d624dcdba8 Mon Sep 17 00:00:00 2001 From: Andreas Eversberg Date: Fri, 28 Oct 2011 03:55:37 +0200 Subject: gsm/sms: Rewrite of SMC process, extracted from OpenBSC The SMC process is used to transfer RP frames. It is now extracted from OpenBSC. It includes a real state machine now for easier debugging. Written-by: Andreas Eversberg Signed-off-by: Sylvain Munaut --- include/osmocom/gsm/gsm0411_smc.h | 62 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 include/osmocom/gsm/gsm0411_smc.h (limited to 'include/osmocom/gsm/gsm0411_smc.h') diff --git a/include/osmocom/gsm/gsm0411_smc.h b/include/osmocom/gsm/gsm0411_smc.h new file mode 100644 index 00000000..e1508a2d --- /dev/null +++ b/include/osmocom/gsm/gsm0411_smc.h @@ -0,0 +1,62 @@ +#ifndef _GSM0411_SMC_H +#define _GSM0411_SMC_H + +#include + +#define GSM411_MMSMS_EST_REQ 0x310 +#define GSM411_MMSMS_EST_IND 0x312 +#define GSM411_MMSMS_EST_CNF 0x311 +#define GSM411_MMSMS_REL_REQ 0x320 +#define GSM411_MMSMS_REL_IND 0x322 +#define GSM411_MMSMS_DATA_REQ 0x330 +#define GSM411_MMSMS_DATA_IND 0x332 +#define GSM411_MMSMS_UNIT_DATA_REQ 0x340 +#define GSM411_MMSMS_UNIT_DATA_IND 0x342 +#define GSM411_MMSMS_ERR_IND 0x372 + +#define GSM411_MNSMS_ABORT_REQ 0x101 +#define GSM411_MNSMS_DATA_REQ 0x102 +#define GSM411_MNSMS_DATA_IND 0x103 +#define GSM411_MNSMS_EST_REQ 0x104 +#define GSM411_MNSMS_EST_IND 0x105 +#define GSM411_MNSMS_ERROR_IND 0x106 +#define GSM411_MNSMS_REL_REQ 0x107 + +struct gsm411_smc_inst { + int network; /* is this a MO (0) or MT (1) transfer */ + int (*mn_recv) (struct gsm411_smc_inst *inst, int msg_type, + struct msgb *msg); + int (*mm_send) (struct gsm411_smc_inst *inst, int msg_type, + struct msgb *msg, int cp_msg_type); + + enum gsm411_cp_state cp_state; + struct osmo_timer_list cp_timer; + struct msgb *cp_msg; /* store pending message */ + int cp_rel; /* store pending release */ + int cp_retx; /* retry counter */ + int cp_max_retr; /* maximum retry */ + int cp_tc1; /* timer value TC1* */ + +}; + +extern const struct value_string gsm411_cp_cause_strs[]; + +/* init a new instance */ +void gsm411_smc_init(struct gsm411_smc_inst *inst, int network, + int (*mn_recv) (struct gsm411_smc_inst *inst, int msg_type, + struct msgb *msg), + int (*mm_send) (struct gsm411_smc_inst *inst, int msg_type, + struct msgb *msg, int cp_msg_type)); + +/* clear instance */ +void gsm411_smc_clear(struct gsm411_smc_inst *inst); + +/* message from upper layer */ +int gsm411_smc_send(struct gsm411_smc_inst *inst, int msg_type, + struct msgb *msg); + +/* message from lower layer */ +int gsm411_smc_recv(struct gsm411_smc_inst *inst, int msg_type, + struct msgb *msg, int cp_msg_type); + +#endif /* _GSM0411_SMC_H */ -- cgit v1.2.3