diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2012-07-13 14:52:50 +0200 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2012-07-13 14:52:50 +0200 |
| commit | 51ab134fa8e7f16b627a038ecbfa2051421261de (patch) | |
| tree | 077aef45b1afc5af547d830e77959799b26199b3 | |
| parent | f298fa87b948b03ed71bc8538c14778b680612dc (diff) | |
Added parsing of multislot class inside BSSGP PDU
| -rw-r--r-- | src/gprs_bssgp_pcu.cpp | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/src/gprs_bssgp_pcu.cpp b/src/gprs_bssgp_pcu.cpp index c4d70afd..5f967eef 100644 --- a/src/gprs_bssgp_pcu.cpp +++ b/src/gprs_bssgp_pcu.cpp @@ -78,6 +78,39 @@ int gprs_bssgp_pcu_rx_dl_ud(struct msgb *msg, struct tlv_parsed *tp) } imsi[j] = '\0'; } + + /* parse ms radio access capability */ + uint8_t ms_class = 0; + if (TLVP_PRESENT(tp, BSSGP_IE_MS_RADIO_ACCESS_CAP)) + { + bitvec *block; + uint8_t cap_len = TLVP_LEN(tp, BSSGP_IE_MS_RADIO_ACCESS_CAP); + uint8_t *cap = (uint8_t *) TLVP_VAL(tp, BSSGP_IE_MS_RADIO_ACCESS_CAP); + unsigned rp = 0; + + block = bitvec_alloc(cap_len); + bitvec_unpack(block, cap); + bitvec_read_field(block, rp, 4); // Access Technology Type + bitvec_read_field(block, rp, 7); // Length of Access Capabilities + bitvec_read_field(block, rp, 3); // RF Power Capability + if (bitvec_read_field(block, rp, 1)) // A5 Bits Present + bitvec_read_field(block, rp, 7); // A5 Bits + bitvec_read_field(block, rp, 1); // ES IND + bitvec_read_field(block, rp, 1); // PS + bitvec_read_field(block, rp, 1); // VGCS + bitvec_read_field(block, rp, 1); // VBS + if (bitvec_read_field(block, rp, 1)) { // Multislot Cap Present + if (bitvec_read_field(block, rp, 1)) // HSCSD Present + bitvec_read_field(block, rp, 5); // Class + if (bitvec_read_field(block, rp, 1)) { // GPRS Present + ms_class = bitvec_read_field(block, rp, 5); // Class + bitvec_read_field(block, rp, 1); // Ext. + } + if (bitvec_read_field(block, rp, 1)) // SMS Present + bitvec_read_field(block, rp, 4); // SMS Value + bitvec_read_field(block, rp, 4); // SMS Value + } + } LOGP(DBSSGP, LOGL_INFO, "LLC [SGSN -> PCU] = TLLI: 0x%08x IMSI: %s len: %d\n", tlli, imsi, len); /* check for existing TBF */ @@ -118,9 +151,8 @@ int gprs_bssgp_pcu_rx_dl_ud(struct msgb *msg, struct tlv_parsed *tp) /* FIXME: send reject */ return -EBUSY; } - /* FIXME: set number of downlink slots according to multislot - * class */ - tbf = tbf_alloc(GPRS_RLCMAC_DL_TBF, tfi, trx, ts, 1); + /* set number of downlink slots according to multislot class */ + tbf = tbf_alloc(GPRS_RLCMAC_DL_TBF, tfi, trx, ts, ms_class); if (!tbf) { LOGP(DRLCMAC, LOGL_NOTICE, "No PDCH ressource\n"); /* FIXME: send reject */ |