diff options
author | Oliver Smith <osmith@sysmocom.de> | 2023-05-12 12:14:22 +0200 |
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committer | Oliver Smith <osmith@sysmocom.de> | 2023-06-20 12:47:05 +0200 |
commit | 1063213b384de2ba030ed41cbde6a8ad47f380f0 (patch) | |
tree | 8bea286dbc3f9288362aec6f9855e78327c5c6a0 /include/osmocom/msc/csd_bs.h | |
parent | 64f3930c7234094233d48b517b2c6be5734b0cad (diff) |
Add initial CSD support with external MNCC
Implement and use CSD bearer service logic (with similar audio codec code):
* csd_filter (codec_filter)
* csd_bs (sdp_audio_codec)
* csd_bs_list (sdp_audio_codecs)
Related: OS#4394
Change-Id: Ide8b8321e0401dcbe35da2ec9cee0abca821d99a
Diffstat (limited to 'include/osmocom/msc/csd_bs.h')
-rw-r--r-- | include/osmocom/msc/csd_bs.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/osmocom/msc/csd_bs.h b/include/osmocom/msc/csd_bs.h new file mode 100644 index 000000000..eee869266 --- /dev/null +++ b/include/osmocom/msc/csd_bs.h @@ -0,0 +1,54 @@ +/* 3GPP TS 122.002 Bearer Services */ +#pragma once + +#include <osmocom/gsm/mncc.h> +#include <osmocom/gsm/protocol/gsm_08_08.h> + +enum csd_bs { + CSD_BS_NONE, + + /* 3.1.1.1.2 */ + CSD_BS_21_T_V110_0k3, + CSD_BS_22_T_V110_1k2, + CSD_BS_24_T_V110_2k4, + CSD_BS_25_T_V110_4k8, + CSD_BS_26_T_V110_9k6, + + /* 3.1.1.2.2 */ + CSD_BS_21_NT_V110_0k3, + CSD_BS_22_NT_V110_1k2, + CSD_BS_24_NT_V110_2k4, + CSD_BS_25_NT_V110_4k8, + CSD_BS_26_NT_V110_9k6, + + /* 3.1.2.1.2 */ + CSD_BS_31_T_V110_1k2, + CSD_BS_32_T_V110_2k4, + CSD_BS_33_T_V110_4k8, + CSD_BS_34_T_V110_9k6, + + CSD_BS_MAX, +}; + +struct csd_bs_list { + unsigned int count; + enum csd_bs bs[CSD_BS_MAX]; +}; + +void csd_bs_list_add_bs(struct csd_bs_list *list, enum csd_bs bs); +int csd_bs_list_to_bearer_cap(struct gsm_mncc_bearer_cap *cap, const struct csd_bs_list *list); +void csd_bs_list_from_bearer_cap(struct csd_bs_list *list, const struct gsm_mncc_bearer_cap *cap); + +int csd_bs_to_str_buf(char *buf, size_t buflen, enum csd_bs bs); +char *csd_bs_to_str_c(void *ctx, enum csd_bs bs); +const char *csd_bs_to_str(enum csd_bs bs); + +int csd_bs_list_to_str_buf(char *buf, size_t buflen, const struct csd_bs_list *list); +char *csd_bs_list_to_str_c(void *ctx, const struct csd_bs_list *list); +const char *csd_bs_list_to_str(const struct csd_bs_list *list); + +void csd_bs_list_add_bs(struct csd_bs_list *list, enum csd_bs bs); +void csd_bs_list_remove(struct csd_bs_list *list, enum csd_bs bs); +void csd_bs_list_intersection(struct csd_bs_list *dest, const struct csd_bs_list *other); + +int csd_bs_list_to_gsm0808_channel_type(struct gsm0808_channel_type *ct, const struct csd_bs_list *list); |