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mISDN: Added support for fragmentation of E1 interfaces of hfcmulti driver.

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Fragmentation is usefull if multiple devices are connected to an E1
interface. Each fragment will have a subset of the available timeslots.
These devices require a cascde connection or a multiplexer.

Signed-off-by: Andreas Eversberg <jolly@eversberg.eu>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andreas Eversberg
2012-04-24 20:52:14 +00:00
committed by David S. Miller
parent 864fd636b1
commit 07003408fc
2 changed files with 235 additions and 165 deletions
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6
drivers/isdn/hardware/mISDN/hfc_multi.h
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@@ -208,7 +208,10 @@ struct hfc_multi {
u_long ledstate; /* save last state of leds */
int opticalsupport; /* has the e1 board */
/* an optical Interface */
int dslot; /* channel # of d-channel (E1) default 16 */
u_int bmask[32]; /* bitmask of bchannels for port */
u_char dnum[32]; /* array of used dchannel numbers for port */
u_char created[32]; /* what port is created */
u_int activity_tx; /* if there is data TX / RX */
u_int activity_rx; /* bitmask according to port number */
/* (will be cleared after */
@@ -234,7 +237,6 @@ struct hfc_multi {
* the bch->channel is equvalent to the hfc-channel
*/
struct hfc_chan chan[32];
u_char created[8]; /* what port is created */
signed char slot_owner[256]; /* owner channel of slot */
};