diff options
Diffstat (limited to 'src/osmo-bts-sysmo/tch.c')
-rw-r--r-- | src/osmo-bts-sysmo/tch.c | 69 |
1 files changed, 4 insertions, 65 deletions
diff --git a/src/osmo-bts-sysmo/tch.c b/src/osmo-bts-sysmo/tch.c index e027408c..17469f00 100644 --- a/src/osmo-bts-sysmo/tch.c +++ b/src/osmo-bts-sysmo/tch.c @@ -39,6 +39,7 @@ #include <osmo-bts/logging.h> #include <osmo-bts/bts.h> #include <osmo-bts/gsm_data.h> +#include <osmo-bts/msg_utils.h> #include <osmo-bts/measurement.h> #include <osmo-bts/amr.h> #include <osmo-bts/l1sap.h> @@ -328,16 +329,6 @@ static struct msgb *l1_to_rtppayload_amr(uint8_t *l1_payload, uint8_t payload_le return msg; } -int get_amr_mode_idx(const struct amr_multirate_conf *amr_mrc, uint8_t cmi) -{ - unsigned int i; - for (i = 0; i < amr_mrc->num_modes; i++) { - if (amr_mrc->bts_mode[i].mode == cmi) - return i; - } - return -EINVAL; -} - /*! \brief convert AMR from RTP payload to L1 format * \param[out] l1_payload payload part of L1 buffer * \param[in] rtp_payload pointer to RTP payload data @@ -622,23 +613,9 @@ int l1if_tch_rx(struct gsm_bts_trx *trx, uint8_t chan_nr, struct msgb *l1p_msg) break; } - if (rmsg) { - struct osmo_phsap_prim *l1sap; - - LOGP(DL1C, LOGL_DEBUG, "%s Rx -> RTP: %s\n", - gsm_lchan_name(lchan), osmo_hexdump(rmsg->data, rmsg->len)); - - /* add l1sap header */ - rmsg->l2h = rmsg->data; - msgb_push(rmsg, sizeof(*l1sap)); - rmsg->l1h = rmsg->data; - l1sap = msgb_l1sap_prim(rmsg); - osmo_prim_init(&l1sap->oph, SAP_GSM_PH, PRIM_TCH, PRIM_OP_INDICATION, rmsg); - l1sap->u.tch.chan_nr = chan_nr; - l1sap->u.tch.fn = data_ind->u32Fn; - - return l1sap_up(trx, l1sap); - } + if (rmsg) + return add_l1sap_header(trx, rmsg, lchan, chan_nr, + data_ind->u32Fn); return 0; @@ -649,30 +626,6 @@ err_payload_match: return -EINVAL; } -static inline bool fn_chk(uint8_t *t, uint32_t fn) -{ - uint8_t i; - for (i = 0; i < ARRAY_SIZE(t); i++) - if (fn % 104 == t[i]) - return false; - return true; -} - -static bool dtx_sched_optional(struct gsm_lchan *lchan, uint32_t fn) -{ - /* 3GPP TS 45.008 ยง 8.3 */ - uint8_t f[] = { 52, 53, 54, 55, 56, 57, 58, 59 }, - h0[] = { 0, 2, 4, 6, 52, 54, 56, 58 }, - h1[] = { 14, 16, 18, 20, 66, 68, 70, 72 }; - if (lchan->tch_mode == GSM48_CMODE_SPEECH_V1) { - if (lchan->type == GSM_LCHAN_TCH_F) - return fn_chk(f, fn); - else - return fn_chk(lchan->nr ? h1 : h0, fn); - } - return false; -} - static bool repeat_last_sid(struct gsm_lchan *lchan, struct msgb *msg) { GsmL1_Prim_t *l1p; @@ -694,20 +647,6 @@ static bool repeat_last_sid(struct gsm_lchan *lchan, struct msgb *msg) return false; } -/* store the last SID frame in lchan context */ -void save_last_sid(struct gsm_lchan *lchan, uint8_t *l1_payload, size_t length, - uint32_t fn, bool update) -{ - size_t copy_len = OSMO_MIN(length + 1, - ARRAY_SIZE(lchan->tch.last_sid.buf)); - - lchan->tch.last_sid.len = copy_len; - lchan->tch.last_sid.fn = fn; - lchan->tch.last_sid.is_update = update; - - memcpy(lchan->tch.last_sid.buf, l1_payload, copy_len); -} - struct msgb *gen_empty_tch_msg(struct gsm_lchan *lchan, uint32_t fn) { struct msgb *msg; |