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91 lines
2.5 KiB
91 lines
2.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* see notice in l1oip.c |
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*/ |
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/* debugging */ |
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#define DEBUG_L1OIP_INIT 0x00010000 |
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#define DEBUG_L1OIP_SOCKET 0x00020000 |
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#define DEBUG_L1OIP_MGR 0x00040000 |
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#define DEBUG_L1OIP_MSG 0x00080000 |
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/* enable to disorder received bchannels by sequence 2143658798... */ |
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/* |
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#define REORDER_DEBUG |
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*/ |
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/* frames */ |
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#define L1OIP_MAX_LEN 2048 /* max packet size form l2 */ |
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#define L1OIP_MAX_PERFRAME 1400 /* max data size in one frame */ |
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/* timers */ |
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#define L1OIP_KEEPALIVE 15 |
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#define L1OIP_TIMEOUT 65 |
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/* socket */ |
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#define L1OIP_DEFAULTPORT 931 |
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/* channel structure */ |
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struct l1oip_chan { |
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struct dchannel *dch; |
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struct bchannel *bch; |
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u32 tx_counter; /* counts xmit bytes/packets */ |
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u32 rx_counter; /* counts recv bytes/packets */ |
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u32 codecstate; /* used by codec to save data */ |
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#ifdef REORDER_DEBUG |
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int disorder_flag; |
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struct sk_buff *disorder_skb; |
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u32 disorder_cnt; |
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#endif |
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}; |
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/* card structure */ |
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struct l1oip { |
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struct list_head list; |
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/* card */ |
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int registered; /* if registered with mISDN */ |
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char name[MISDN_MAX_IDLEN]; |
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int idx; /* card index */ |
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int pri; /* 1=pri, 0=bri */ |
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int d_idx; /* current dchannel number */ |
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int b_num; /* number of bchannels */ |
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u32 id; /* id of connection */ |
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int ondemand; /* if transmis. is on demand */ |
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int bundle; /* bundle channels in one frm */ |
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int codec; /* codec to use for transmis. */ |
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int limit; /* limit number of bchannels */ |
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/* timer */ |
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struct timer_list keep_tl; |
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struct timer_list timeout_tl; |
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int timeout_on; |
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struct work_struct workq; |
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/* socket */ |
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struct socket *socket; /* if set, socket is created */ |
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struct completion socket_complete;/* completion of sock thread */ |
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struct task_struct *socket_thread; |
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spinlock_t socket_lock; /* access sock outside thread */ |
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u32 remoteip; /* if all set, ip is assigned */ |
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u16 localport; /* must always be set */ |
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u16 remoteport; /* must always be set */ |
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struct sockaddr_in sin_local; /* local socket name */ |
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struct sockaddr_in sin_remote; /* remote socket name */ |
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struct msghdr sendmsg; /* ip message to send */ |
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struct kvec sendiov; /* iov for message */ |
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/* frame */ |
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struct l1oip_chan chan[128]; /* channel instances */ |
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}; |
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extern int l1oip_law_to_4bit(u8 *data, int len, u8 *result, u32 *state); |
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extern int l1oip_4bit_to_law(u8 *data, int len, u8 *result); |
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extern int l1oip_alaw_to_ulaw(u8 *data, int len, u8 *result); |
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extern int l1oip_ulaw_to_alaw(u8 *data, int len, u8 *result); |
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extern void l1oip_4bit_free(void); |
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extern int l1oip_4bit_alloc(int ulaw);
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