diff options
Diffstat (limited to 'sys/i4b/layer1/i4b_hscx.c')
| -rw-r--r-- | sys/i4b/layer1/i4b_hscx.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/sys/i4b/layer1/i4b_hscx.c b/sys/i4b/layer1/i4b_hscx.c index 29c2f40..4ddf779 100644 --- a/sys/i4b/layer1/i4b_hscx.c +++ b/sys/i4b/layer1/i4b_hscx.c @@ -27,9 +27,9 @@ * i4b - Siemens HSCX chip (B-channel) handling * -------------------------------------------- * - * $Id: i4b_hscx.c,v 1.39 1999/02/14 19:51:01 hm Exp $ + * $Id: i4b_hscx.c,v 1.42 1999/03/17 13:44:50 hm Exp $ * - * last edit-date: [Sun Feb 14 10:26:49 1999] + * last edit-date: [Wed Mar 17 11:59:05 1999] * *---------------------------------------------------------------------------*/ @@ -288,14 +288,23 @@ isic_hscx_irq(register struct isic_softc *sc, u_char ista, int h_chan, u_char ex MPH_Trace_Ind(&hdr, chan->in_mbuf->m_len, chan->in_mbuf->m_data); } - /* move rx'd data to rx queue */ - - IF_ENQUEUE(&chan->rx_queue, chan->in_mbuf); + /* silence detection */ - (*chan->drvr_linktab->bch_rx_data_ready)(chan->drvr_linktab->unit); - if(!(isic_hscx_silence(chan->in_mbuf->m_data, chan->in_mbuf->m_len))) activity = ACT_RX; + + if(!(IF_QFULL(&chan->rx_queue))) + { + IF_ENQUEUE(&chan->rx_queue, chan->in_mbuf); + } + else + { + i4b_Bfreembuf(chan->in_mbuf); + } + + /* signal upper driver that data is available */ + + (*chan->drvr_linktab->bch_rx_data_ready)(chan->drvr_linktab->unit); /* alloc new buffer */ |
