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mISDN: Implement MISDN_CTRL_RX_OFF for more drivers

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MISDN_CTRL_RX_OFF is a meachanism to discard RX data in the driver if
the data is not needed by the application. It can be used when playing
mesages, but not recording or with unidirectional protocols.

Signed-off-by: Karsten Keil <kkeil@linux-pingi.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Karsten Keil 2012-05-15 23:51:08 +00:00 • committed by David S. Miller
commit c27b46e7f1
10 changed files with 67 additions and 13 deletions
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3
include/linux/mISDNhw.h
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@ -73,6 +73,8 @@
#define FLG_LL_CONN 25
#define FLG_DTMFSEND 26
#define FLG_TX_EMPTY 27
/* stop sending received data upstream */
#define FLG_RX_OFF 28
/* workq events */
#define FLG_RECVQUEUE 30
#define FLG_PHCHANGE 31
@ -173,6 +175,7 @@ struct bchannel {
int err_crc;
int err_tx;
int err_rx;
int dropcnt;
};
extern int mISDN_initdchannel(struct dchannel *, int, void *);