| Karsten Keil | 3712b42 | 2008-07-27 02:02:10 +0200 | [diff] [blame] | 1 | /* |
| 2 | * see notice in l1oip.c |
| 3 | */ |
| 4 | |
| 5 | /* debugging */ |
| 6 | #define DEBUG_L1OIP_INIT 0x00010000 |
| 7 | #define DEBUG_L1OIP_SOCKET 0x00020000 |
| 8 | #define DEBUG_L1OIP_MGR 0x00040000 |
| 9 | #define DEBUG_L1OIP_MSG 0x00080000 |
| 10 | |
| 11 | /* enable to disorder received bchannels by sequence 2143658798... */ |
| 12 | /* |
| 13 | #define REORDER_DEBUG |
| 14 | */ |
| 15 | |
| 16 | /* frames */ |
| 17 | #define L1OIP_MAX_LEN 2048 /* max packet size form l2 */ |
| 18 | #define L1OIP_MAX_PERFRAME 1400 /* max data size in one frame */ |
| 19 | |
| 20 | |
| 21 | /* timers */ |
| 22 | #define L1OIP_KEEPALIVE 15 |
| 23 | #define L1OIP_TIMEOUT 65 |
| 24 | |
| 25 | |
| 26 | /* socket */ |
| 27 | #define L1OIP_DEFAULTPORT 931 |
| 28 | |
| 29 | |
| 30 | /* channel structure */ |
| 31 | struct l1oip_chan { |
| 32 | struct dchannel *dch; |
| 33 | struct bchannel *bch; |
| 34 | u32 tx_counter; /* counts xmit bytes/packets */ |
| 35 | u32 rx_counter; /* counts recv bytes/packets */ |
| 36 | u32 codecstate; /* used by codec to save data */ |
| 37 | #ifdef REORDER_DEBUG |
| 38 | int disorder_flag; |
| 39 | struct sk_buff *disorder_skb; |
| 40 | u32 disorder_cnt; |
| 41 | #endif |
| 42 | }; |
| 43 | |
| 44 | |
| 45 | /* card structure */ |
| 46 | struct l1oip { |
| 47 | struct list_head list; |
| 48 | |
| 49 | /* card */ |
| 50 | int registered; /* if registered with mISDN */ |
| 51 | char name[MISDN_MAX_IDLEN]; |
| 52 | int idx; /* card index */ |
| 53 | int pri; /* 1=pri, 0=bri */ |
| 54 | int d_idx; /* current dchannel number */ |
| 55 | int b_num; /* number of bchannels */ |
| 56 | u32 id; /* id of connection */ |
| 57 | int ondemand; /* if transmis. is on demand */ |
| 58 | int bundle; /* bundle channels in one frm */ |
| 59 | int codec; /* codec to use for transmis. */ |
| 60 | int limit; /* limit number of bchannels */ |
| 61 | |
| 62 | /* timer */ |
| 63 | struct timer_list keep_tl; |
| 64 | struct timer_list timeout_tl; |
| 65 | int timeout_on; |
| 66 | struct work_struct workq; |
| 67 | |
| 68 | /* socket */ |
| 69 | struct socket *socket; /* if set, socket is created */ |
| 70 | struct completion socket_complete;/* completion of sock thread */ |
| 71 | struct task_struct *socket_thread; |
| 72 | spinlock_t socket_lock; /* access sock outside thread */ |
| 73 | u32 remoteip; /* if all set, ip is assigned */ |
| 74 | u16 localport; /* must always be set */ |
| 75 | u16 remoteport; /* must always be set */ |
| 76 | struct sockaddr_in sin_local; /* local socket name */ |
| 77 | struct sockaddr_in sin_remote; /* remote socket name */ |
| 78 | struct msghdr sendmsg; /* ip message to send */ |
| 79 | struct iovec sendiov; /* iov for message */ |
| 80 | |
| 81 | /* frame */ |
| 82 | struct l1oip_chan chan[128]; /* channel instances */ |
| 83 | }; |
| 84 | |
| 85 | extern int l1oip_law_to_4bit(u8 *data, int len, u8 *result, u32 *state); |
| 86 | extern int l1oip_4bit_to_law(u8 *data, int len, u8 *result); |
| 87 | extern int l1oip_alaw_to_ulaw(u8 *data, int len, u8 *result); |
| 88 | extern int l1oip_ulaw_to_alaw(u8 *data, int len, u8 *result); |
| 89 | extern void l1oip_4bit_free(void); |
| 90 | extern int l1oip_4bit_alloc(int ulaw); |
| 91 | |