]>
Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
3712b42d KK |
2 | /* |
3 | * see notice in l1oip.c | |
4 | */ | |
5 | ||
6 | /* debugging */ | |
7 | #define DEBUG_L1OIP_INIT 0x00010000 | |
8 | #define DEBUG_L1OIP_SOCKET 0x00020000 | |
9 | #define DEBUG_L1OIP_MGR 0x00040000 | |
10 | #define DEBUG_L1OIP_MSG 0x00080000 | |
11 | ||
12 | /* enable to disorder received bchannels by sequence 2143658798... */ | |
13 | /* | |
475be4d8 | 14 | #define REORDER_DEBUG |
3712b42d KK |
15 | */ |
16 | ||
17 | /* frames */ | |
18 | #define L1OIP_MAX_LEN 2048 /* max packet size form l2 */ | |
19 | #define L1OIP_MAX_PERFRAME 1400 /* max data size in one frame */ | |
20 | ||
21 | ||
22 | /* timers */ | |
23 | #define L1OIP_KEEPALIVE 15 | |
24 | #define L1OIP_TIMEOUT 65 | |
25 | ||
26 | ||
27 | /* socket */ | |
28 | #define L1OIP_DEFAULTPORT 931 | |
29 | ||
30 | ||
31 | /* channel structure */ | |
32 | struct l1oip_chan { | |
475be4d8 JP |
33 | struct dchannel *dch; |
34 | struct bchannel *bch; | |
3712b42d KK |
35 | u32 tx_counter; /* counts xmit bytes/packets */ |
36 | u32 rx_counter; /* counts recv bytes/packets */ | |
37 | u32 codecstate; /* used by codec to save data */ | |
38 | #ifdef REORDER_DEBUG | |
39 | int disorder_flag; | |
40 | struct sk_buff *disorder_skb; | |
41 | u32 disorder_cnt; | |
42 | #endif | |
43 | }; | |
44 | ||
45 | ||
46 | /* card structure */ | |
47 | struct l1oip { | |
48 | struct list_head list; | |
49 | ||
50 | /* card */ | |
51 | int registered; /* if registered with mISDN */ | |
52 | char name[MISDN_MAX_IDLEN]; | |
53 | int idx; /* card index */ | |
54 | int pri; /* 1=pri, 0=bri */ | |
55 | int d_idx; /* current dchannel number */ | |
56 | int b_num; /* number of bchannels */ | |
57 | u32 id; /* id of connection */ | |
58 | int ondemand; /* if transmis. is on demand */ | |
59 | int bundle; /* bundle channels in one frm */ | |
60 | int codec; /* codec to use for transmis. */ | |
61 | int limit; /* limit number of bchannels */ | |
62 | ||
63 | /* timer */ | |
475be4d8 JP |
64 | struct timer_list keep_tl; |
65 | struct timer_list timeout_tl; | |
3712b42d KK |
66 | int timeout_on; |
67 | struct work_struct workq; | |
68 | ||
69 | /* socket */ | |
475be4d8 JP |
70 | struct socket *socket; /* if set, socket is created */ |
71 | struct completion socket_complete;/* completion of sock thread */ | |
3712b42d | 72 | struct task_struct *socket_thread; |
475be4d8 | 73 | spinlock_t socket_lock; /* access sock outside thread */ |
3712b42d | 74 | u32 remoteip; /* if all set, ip is assigned */ |
475be4d8 JP |
75 | u16 localport; /* must always be set */ |
76 | u16 remoteport; /* must always be set */ | |
3712b42d KK |
77 | struct sockaddr_in sin_local; /* local socket name */ |
78 | struct sockaddr_in sin_remote; /* remote socket name */ | |
79 | struct msghdr sendmsg; /* ip message to send */ | |
8c90e11e | 80 | struct kvec sendiov; /* iov for message */ |
3712b42d KK |
81 | |
82 | /* frame */ | |
83 | struct l1oip_chan chan[128]; /* channel instances */ | |
84 | }; | |
85 | ||
86 | extern int l1oip_law_to_4bit(u8 *data, int len, u8 *result, u32 *state); | |
87 | extern int l1oip_4bit_to_law(u8 *data, int len, u8 *result); | |
88 | extern int l1oip_alaw_to_ulaw(u8 *data, int len, u8 *result); | |
89 | extern int l1oip_ulaw_to_alaw(u8 *data, int len, u8 *result); | |
90 | extern void l1oip_4bit_free(void); | |
91 | extern int l1oip_4bit_alloc(int ulaw); |