diff options
| -rw-r--r-- | include/osmocom/gsm/protocol/gsm_08_58.h | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/include/osmocom/gsm/protocol/gsm_08_58.h b/include/osmocom/gsm/protocol/gsm_08_58.h index c7a7d8aa..cd28caf8 100644 --- a/include/osmocom/gsm/protocol/gsm_08_58.h +++ b/include/osmocom/gsm/protocol/gsm_08_58.h @@ -31,6 +31,26 @@ * @{ * \file gsm_08_58.h */ +/* Channel Number 9.3.1 */ +union abis_rsl_chan_nr { +#if OSMO_IS_BIG_ENDIAN + uint8_t cbits:5, + tn:3; +#elif OSMO_IS_LITTLE_ENDIAN + uint8_t tn:3, + cbits:5; +#endif + uint8_t chan_nr; +} __attribute__ ((packed)); +#define ABIS_RSL_CHAN_NR_CBITS_Bm_ACCHs 0x01 +#define ABIS_RSL_CHAN_NR_CBITS_Lm_ACCHs(ss) (0x02 + (ss)) +#define ABIS_RSL_CHAN_NR_CBITS_SDCCH4_ACCH(ss) (0x04 + (ss)) +#define ABIS_RSL_CHAN_NR_CBITS_SDCCH8_ACCH(ss) (0x08 + (ss)) +#define ABIS_RSL_CHAN_NR_CBITS_BCCH 0x10 +#define ABIS_RSL_CHAN_NR_CBITS_RACH 0x11 +#define ABIS_RSL_CHAN_NR_CBITS_PCH_AGCH 0x12 +#define ABIS_RSL_CHAN_NR_CBITS_OSMO_PDCH 0x18 /*< non-standard, for dyn TS */ + /* Link Identifier 9.3.2 */ union abis_rsl_link_id { #if OSMO_IS_BIG_ENDIAN @@ -60,7 +80,10 @@ struct abis_rsl_common_hdr { struct abis_rsl_rll_hdr { struct abis_rsl_common_hdr c; uint8_t ie_chan; /*!< \ref RSL_IE_CHAN_NR (tag) */ - uint8_t chan_nr; /*!< RSL channel number (value) */ + union { + uint8_t chan_nr; /* API backward compat */ + union abis_rsl_chan_nr chan_nr_fields; /*!< RSL channel number (value) */ + }; uint8_t ie_link_id; /*!< \ref RSL_IE_LINK_IDENT (tag) */ union { uint8_t link_id; /* API backward compat */ @@ -73,7 +96,10 @@ struct abis_rsl_rll_hdr { struct abis_rsl_dchan_hdr { struct abis_rsl_common_hdr c; uint8_t ie_chan; /*!< \ref RSL_IE_CHAN_NR (tag) */ - uint8_t chan_nr; /*!< RSL channel number (value) */ + union { + uint8_t chan_nr; /* API backward compat */ + union abis_rsl_chan_nr chan_nr_fields; /*!< RSL channel number (value) */ + }; uint8_t data[0]; /*!< message payload data */ } __attribute__ ((packed)); @@ -81,7 +107,10 @@ struct abis_rsl_dchan_hdr { struct abis_rsl_cchan_hdr { struct abis_rsl_common_hdr c; uint8_t ie_chan; /*!< \ref RSL_IE_CHAN_NR (tag) */ - uint8_t chan_nr; /*!< RSL channel number (value) */ + union { + uint8_t chan_nr; /* API backward compat */ + union abis_rsl_chan_nr chan_nr_fields; /*!< RSL channel number (value) */ + }; uint8_t data[0]; /*!< message payload data */ } __attribute__ ((packed)); |