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