diff options
| -rw-r--r-- | openbsc/src/libtrau/rtp_proxy.c | 14 | ||||
| -rw-r--r-- | openbsc/src/libtrau/trau_mux.c | 5 |
2 files changed, 18 insertions, 1 deletions
diff --git a/openbsc/src/libtrau/rtp_proxy.c b/openbsc/src/libtrau/rtp_proxy.c index 52616a0be..82f4063b2 100644 --- a/openbsc/src/libtrau/rtp_proxy.c +++ b/openbsc/src/libtrau/rtp_proxy.c @@ -206,6 +206,7 @@ int rtp_send_frame(struct rtp_socket *rs, struct gsm_data_frame *frame) int payload_type; int payload_len; int duration; /* in samples */ + int is_bfi = 0; if (rs->tx_action != RTP_SEND_DOWNSTREAM) { /* initialize sequences */ @@ -236,6 +237,12 @@ int rtp_send_frame(struct rtp_socket *rs, struct gsm_data_frame *frame) payload_len = frame->data[0]; duration = RTP_GSM_DURATION; break; + case GSM_BAD_FRAME: + payload_type = 0; + payload_len = 0; + duration = RTP_GSM_DURATION; + is_bfi = 1; + break; default: DEBUGPC(DLMUX, "unsupported message type %d\n", frame->msg_type); @@ -248,6 +255,13 @@ int rtp_send_frame(struct rtp_socket *rs, struct gsm_data_frame *frame) return -EINVAL; } + if (is_bfi) { + /* In case of a bad frame, just count and drop packet. */ + rs->transmit.timestamp += duration; + rs->transmit.sequence++; + return 0; + } + msg = msgb_alloc(sizeof(struct rtp_hdr) + payload_len, "RTP-GSM"); if (!msg) return -ENOMEM; diff --git a/openbsc/src/libtrau/trau_mux.c b/openbsc/src/libtrau/trau_mux.c index 3831a80ad..b37c7650e 100644 --- a/openbsc/src/libtrau/trau_mux.c +++ b/openbsc/src/libtrau/trau_mux.c @@ -245,7 +245,10 @@ struct msgb *trau_decode_fr(uint32_t callref, i++; j++; } - frame->msg_type = GSM_TCHF_FRAME; + if (tf->c_bits[11]) /* BFI */ + frame->msg_type = GSM_BAD_FRAME; + else + frame->msg_type = GSM_TCHF_FRAME; frame->callref = callref; msgb_put(msg, sizeof(struct gsm_data_frame) + 33); |