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mISDN: Add E-Channel logging features

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New prim PH_DATA_E_IND.

 - all E-ch frames are indicated by recv_Echannel(), which pushes E-Channel
   frames into dch's rqueue
 - if dchannel is opened with channel nr 0, no E-Channel logging
   is requested
 - if dchannel is opened with channel nr 1, E-Channel logging
   is requested. if layer1 does not support that, -EINVAL
   in return is appropriate

Signed-off-by: Martin Bachem <m.bachem@gmx.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
This commit is contained in:
Martin Bachem
2008-09-03 15:17:45 +02:00
committed by Karsten Keil
parent a9b61830cd
commit 1f28fa19d3
4 changed files with 22 additions and 1 deletions
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drivers/isdn/mISDN/hwchannel.c
+19
View File
@@ -165,6 +165,25 @@ recv_Dchannel(struct dchannel *dch)
}
EXPORT_SYMBOL(recv_Dchannel);
void
recv_Echannel(struct dchannel *ech, struct dchannel *dch)
{
struct mISDNhead *hh;
if (ech->rx_skb->len < 2) { /* at least 2 for sapi / tei */
dev_kfree_skb(ech->rx_skb);
ech->rx_skb = NULL;
return;
}
hh = mISDN_HEAD_P(ech->rx_skb);
hh->prim = PH_DATA_E_IND;
hh->id = get_sapi_tei(ech->rx_skb->data);
skb_queue_tail(&dch->rqueue, ech->rx_skb);
ech->rx_skb = NULL;
schedule_event(dch, FLG_RECVQUEUE);
}
EXPORT_SYMBOL(recv_Echannel);
void
recv_Bchannel(struct bchannel *bch)
{