diff options
Diffstat (limited to 'src/host/virt_phy/src/virt_prim_traffic.c')
| -rw-r--r-- | src/host/virt_phy/src/virt_prim_traffic.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/host/virt_phy/src/virt_prim_traffic.c b/src/host/virt_phy/src/virt_prim_traffic.c index 5f6b273b..3d2b2b15 100644 --- a/src/host/virt_phy/src/virt_prim_traffic.c +++ b/src/host/virt_phy/src/virt_prim_traffic.c @@ -84,7 +84,8 @@ void l1ctl_tx_traffic_ind(struct l1_model_ms *ms, struct msgb *msg, uint16_t arf struct msgb *l1ctl_msg = NULL; struct l1ctl_traffic_ind * l1ti; struct l1ctl_info_dl * l1dl; - uint8_t *frame, frame_len; + uint8_t *frame; + int frame_len; uint8_t rsl_chan_type, subchan, timeslot; l1ctl_msg = l1ctl_msgb_alloc(L1CTL_TRAFFIC_IND); l1dl = (struct l1ctl_info_dl *) msgb_put(l1ctl_msg, sizeof(*l1dl)); @@ -101,11 +102,16 @@ void l1ctl_tx_traffic_ind(struct l1_model_ms *ms, struct msgb *msg, uint16_t arf l1dl->num_biterr = 0; /* no biterrors */ l1dl->fire_crc = 0; - /* TODO: traffic decoding and decryption */ - - frame_len = msgb_length(msg); + /* The first byte indicates the type of voice frame (enum gsmtap_um_voice_type), + * which we simply ignore here and pass on the frame without that byte. + * TODO: Check for consistency with ms->state.tch_mode ? */ + frame_len = msgb_length(msg) - 1; + if (frame_len < 0) { + msgb_free(l1ctl_msg); + return; + } frame = (uint8_t *) msgb_put(l1ctl_msg, frame_len); - memcpy(frame, msgb_data(msg), frame_len); + memcpy(frame, msgb_data(msg)+1, frame_len); DEBUGPMS(DL1P, ms, "Tx L1CTL_TRAFFIC_IND (chan_nr=0x%02x, link_id=0x%02x)\n", chan_nr, link_id); l1ctl_sap_tx_to_l23_inst(ms, l1ctl_msg); |