cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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l1oip.h (2582B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      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/*
     14  #define REORDER_DEBUG
     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 */
     32struct l1oip_chan {
     33	struct dchannel		*dch;
     34	struct bchannel		*bch;
     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 */
     47struct 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 */
     64	struct timer_list	keep_tl;
     65	struct timer_list	timeout_tl;
     66	int			timeout_on;
     67	struct work_struct	workq;
     68
     69	/* socket */
     70	struct socket		*socket;	/* if set, socket is created */
     71	struct completion	socket_complete;/* completion of sock thread */
     72	struct task_struct	*socket_thread;
     73	spinlock_t		socket_lock;	/* access sock outside thread */
     74	u32			remoteip;	/* if all set, ip is assigned */
     75	u16			localport;	/* must always be set */
     76	u16			remoteport;	/* must always be set */
     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 */
     80	struct kvec		sendiov;	/* iov for message */
     81
     82	/* frame */
     83	struct l1oip_chan	chan[128];	/* channel instances */
     84};
     85
     86extern int l1oip_law_to_4bit(u8 *data, int len, u8 *result, u32 *state);
     87extern int l1oip_4bit_to_law(u8 *data, int len, u8 *result);
     88extern int l1oip_alaw_to_ulaw(u8 *data, int len, u8 *result);
     89extern int l1oip_ulaw_to_alaw(u8 *data, int len, u8 *result);
     90extern void l1oip_4bit_free(void);
     91extern int l1oip_4bit_alloc(int ulaw);