From 6d1ee48fd0d8d2586aaeda24dacffc426c2be44a Mon Sep 17 00:00:00 2001 From: Karsten Keil Date: Tue, 15 May 2012 23:51:07 +0000 Subject: mISDN: Implement MISDN_CTRL_FILL_EMPTY for more drivers MISDN_CTRL_FILL_EMPTY is a meachanism to send a fixed value (normally silence) as long no data from upper layers is available. It can be used when recording voice messages or with unidirectional protocols. Signed-off-by: Karsten Keil Signed-off-by: David S. Miller --- include/linux/mISDNhw.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'include/linux/mISDNhw.h') diff --git a/include/linux/mISDNhw.h b/include/linux/mISDNhw.h index 226886cf31e7..621184216566 100644 --- a/include/linux/mISDNhw.h +++ b/include/linux/mISDNhw.h @@ -72,7 +72,7 @@ #define FLG_LL_OK 24 #define FLG_LL_CONN 25 #define FLG_DTMFSEND 26 - +#define FLG_TX_EMPTY 27 /* workq events */ #define FLG_RECVQUEUE 30 #define FLG_PHCHANGE 31 @@ -142,6 +142,7 @@ extern int create_l1(struct dchannel *, dchannel_l1callback *); struct layer1; extern int l1_event(struct layer1 *, u_int); +#define MISDN_BCH_FILL_SIZE 4 struct bchannel { struct mISDNchannel ch; @@ -153,6 +154,7 @@ struct bchannel { int slot; /* multiport card channel slot */ struct timer_list timer; /* receive data */ + u8 fill[MISDN_BCH_FILL_SIZE]; struct sk_buff *rx_skb; unsigned short maxlen; unsigned short init_maxlen; /* initial value */ -- cgit v1.2.3