diff options
Diffstat (limited to 'src/pcu_l1_if.cpp')
| -rw-r--r-- | src/pcu_l1_if.cpp | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/src/pcu_l1_if.cpp b/src/pcu_l1_if.cpp index 4fcec319..a615d2ea 100644 --- a/src/pcu_l1_if.cpp +++ b/src/pcu_l1_if.cpp @@ -249,22 +249,6 @@ void pcu_l1if_tx_ptcch(struct gprs_rlcmac_bts *bts, pcu_tx_data_req(bts, trx, ts, PCU_IF_SAPI_PTCCH, arfcn, fn, block_nr, data, data_len); } -void pcu_l1if_tx_agch(struct gprs_rlcmac_bts *bts, bitvec *block, int plen) -{ - /* TODO: When PCUIF v.11 has become mainline, we will use pcu_l1if_tx_agch2() exclusively. - * This will make this function obsolote, so we can remove it. */ - uint8_t data[GSM_MACBLOCK_LEN]; /* prefix PLEN */ - - /* FIXME: why does OpenBTS has no PLEN and no fill in message? */ - bitvec_pack(block, data + 1); - data[0] = (plen << 2) | 0x01; - - if (the_pcu->gsmtap_categ_mask & (1 << PCU_GSMTAP_C_DL_AGCH)) - gsmtap_send(the_pcu->gsmtap, 0, 0, GSMTAP_CHANNEL_AGCH, 0, 0, 0, 0, data, GSM_MACBLOCK_LEN); - - pcu_tx_data_req(bts, 0, 0, PCU_IF_SAPI_AGCH, 0, 0, 0, data, sizeof(data)); -} - /* Send a MAC block via the access grant channel. This will (obviously) only work for MAC blocks that contain * an IMMEDIATE ASSIGNMENT. In case the confirm flag is set, the receiving end is required to send a confirmation * back when the IMMEDIATE ASSIGNMENT has been sent. */ @@ -283,43 +267,6 @@ void pcu_l1if_tx_agch2(struct gprs_rlcmac_bts *bts, bitvec *block, int plen, boo pcu_tx_data_req(bts, 0, 0, PCU_IF_SAPI_AGCH_2, 0, 0, 0, (uint8_t*)&agch, sizeof(agch)); } -#define IMSI_DIGITS_FOR_PAGING 3 -/* Send a MAC block via the paging channel. (See also comment below) */ -void pcu_l1if_tx_pch(struct gprs_rlcmac_bts *bts, bitvec *block, int plen, const char *imsi) -{ - /* TODO: When PCUIF v.11 has become mainline, we will use pcu_l1if_tx_pch2() exclusively. - * This will make this function obsolote, so we can remove it. */ - - uint8_t data[IMSI_DIGITS_FOR_PAGING + GSM_MACBLOCK_LEN]; - - /* prepend last three IMSI digits (if present) from which BTS/BSC will calculate the paging group */ - if (imsi && strlen(imsi) >= IMSI_DIGITS_FOR_PAGING) - memcpy(data, imsi + strlen(imsi) - IMSI_DIGITS_FOR_PAGING, IMSI_DIGITS_FOR_PAGING); - else - memset(data, '0', IMSI_DIGITS_FOR_PAGING); - - /* OS#6097: if strlen(imsi) == 0: We assume the MS is in non-DRX - * mode (TS 44.060 5.5.1.5) and hence it is listening on all CCCH blocks - * (TS 45.002 6.5.3, 6.5.6). - * Hence, pgroup 000 is taken "randomly" to send it over it. This of - * course not optimal since it can actually be sent on any CCCH blocks, - * so we are delaying the ImmAss for no good reason. But anyway, - * pcu_l1if_tx_pch() is deprecated and pcu_l1if_tx_pch2() should be - * used instead, which doesn't suffer from this problem. - */ - - /* block provided by upper layer comes without first byte (plen), prepend it manually: */ - OSMO_ASSERT(sizeof(data) >= IMSI_DIGITS_FOR_PAGING + 1 + block->data_len); - data[IMSI_DIGITS_FOR_PAGING] = (plen << 2) | 0x01; - bitvec_pack(block, data + IMSI_DIGITS_FOR_PAGING + 1); - - if (the_pcu->gsmtap_categ_mask & (1 << PCU_GSMTAP_C_DL_PCH)) - gsmtap_send(the_pcu->gsmtap, 0, 0, GSMTAP_CHANNEL_PCH, 0, 0, 0, 0, - data + IMSI_DIGITS_FOR_PAGING, GSM_MACBLOCK_LEN); - - pcu_tx_data_req(bts, 0, 0, PCU_IF_SAPI_PCH, 0, 0, 0, data, sizeof(data)); -} - /* Send a MAC block via the paging channel. This will (obviously) only work for MAC blocks that contain an * IMMEDIATE ASSIGNMENT or a PAGING COMMAND message. In case the MAC block contains an IMMEDIATE ASSIGNMENT * message, the receiving end is required to confirm when the IMMEDIATE ASSIGNMENT has been sent. */ @@ -556,26 +503,6 @@ static int pcu_rx_data_ind(struct gprs_rlcmac_bts *bts, struct gsm_pcu_if_data * return rc; } -static int pcu_rx_data_cnf(struct gprs_rlcmac_bts *bts, struct gsm_pcu_if_data *data_cnf) -{ - int rc = 0; - - LOGP(DL1IF, LOGL_DEBUG, "Data confirm received: sapi=%d\n", data_cnf->sapi); - - switch (data_cnf->sapi) { - case PCU_IF_SAPI_PCH: - if (data_cnf->data[2] == GSM48_MT_RR_IMM_ASS) - bts_rcv_imm_ass_cnf(bts, data_cnf->data, GSM_RESERVED_TMSI); - break; - default: - LOGP(DL1IF, LOGL_ERROR, "Received PCU data confirm with " - "unsupported sapi %d\n", data_cnf->sapi); - rc = -EINVAL; - } - - return rc; -} - static int pcu_rx_data_cnf2(struct gprs_rlcmac_bts *bts, struct gsm_pcu_if_data_cnf *data_cnf) { int rc = 0; @@ -1294,10 +1221,6 @@ int pcu_rx(struct gsm_pcu_if *pcu_prim, size_t pcu_prim_length) CHECK_IF_MSG_SIZE(pcu_prim_length, pcu_prim->u.data_ind); rc = pcu_rx_data_ind(bts, &pcu_prim->u.data_ind); break; - case PCU_IF_MSG_DATA_CNF: - CHECK_IF_MSG_SIZE(pcu_prim_length, pcu_prim->u.data_cnf); - rc = pcu_rx_data_cnf(bts, &pcu_prim->u.data_cnf); - break; case PCU_IF_MSG_DATA_CNF_2: CHECK_IF_MSG_SIZE(pcu_prim_length, pcu_prim->u.data_cnf2); rc = pcu_rx_data_cnf2(bts, &pcu_prim->u.data_cnf2); |