patch-2.4.4 linux/include/linux/wanpipe.h

• Lines: 362
• Date: Thu Apr 12 12:11:39 2001
• Orig file: v2.4.3/linux/include/linux/wanpipe.h
• Orig date: Mon Dec 11 13:00:10 2000

diff -u --recursive --new-file v2.4.3/linux/include/linux/wanpipe.h linux/include/linux/wanpipe.h
@@ -5,13 +5,17 @@
 * Author: 	Nenad Corbic <ncorbic@sangoma.com>
 *		Gideon Hack  	
 *
-* Copyright:	(c) 1995-1999 Sangoma Technologies Inc.
+* Copyright:	(c) 1995-2000 Sangoma Technologies Inc.
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 * ============================================================================
+* Nov 3,  2000  Nenad Corbic    Added config_id to sdla_t structure.
+*                               Used to determine the protocol running.
+* Jul 13, 2000  Nenad Corbic	Added SyncPPP Support
+* Feb 24, 2000  Nenad Corbic    Added support for x25api driver
 * Oct 04, 1999  Nenad Corbic    New CHDLC and FRAME RELAY code, SMP support
 * Jun 02, 1999  Gideon Hack	Added 'update_call_count' for Cisco HDLC 
 *				support
@@ -35,10 +39,58 @@
 #ifndef	_WANPIPE_H
 #define	_WANPIPE_H
 
-#include <linux/config.h>
+#include <linux/version.h>
 
-#ifdef CONFIG_SMP
-#include <asm/spinlock.h>       /* Support for SMP Locking */
+#ifndef KERNEL_VERSION
+  #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
+ 
+ #define LINUX_2_4
+ #define netdevice_t struct net_device
+
+ #define FREE_READ 1
+ #define FREE_WRITE 0
+
+ #define stop_net_queue(a) 	netif_stop_queue(a) 
+ #define start_net_queue(a) 	netif_start_queue(a)
+ #define is_queue_stopped(a)	netif_queue_stopped(a)
+ #define wake_net_dev(a)	netif_wake_queue(a)
+ #define is_dev_running(a)	netif_running(a)
+ #define wan_dev_kfree_skb(a,b)	dev_kfree_skb_any(a)
+
+
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
+
+ #define LINUX_2_1
+ #define netdevice_t struct device
+ #define FREE_READ 1
+ #define FREE_WRITE 0
+
+ #define stop_net_queue(a) 	(set_bit(0, &##a->tbusy)) 
+ #define start_net_queue(a) 	(clear_bit(0,&##a->tbusy))
+ #define is_queue_stopped(a)	(##a->tbusy)
+ #define wake_net_dev(a)	{clear_bit(0,&##a->tbusy);mark_bh(NET_BH);}
+ #define is_dev_running(a)	(test_bit(0,&##a->start))
+ #define wan_dev_kfree_skb(a,b)	dev_kfree_skb(a)
+
+#else
+ #define LINUX_2_0
+ #define netdevice_t struct device
+
+ #define test_and_set_bit set_bit
+ #define net_ratelimit() 1 
+
+ #define stop_net_queue(a) 	(set_bit(0, &##a->tbusy)) 
+ #define start_net_queue(a) 	(clear_bit(0,&##a->tbusy))
+ #define is_queue_stopped(a)	(##a->tbusy)
+ #define wake_net_dev(a)	{clear_bit(0,&##a->tbusy);mark_bh(NET_BH);}
+ #define is_dev_running(a)	(test_bit(0,(void*)&##a->start))
+ #define wan_dev_kfree_skb(a,b) dev_kfree_skb(a,b)  		 
+ #define spin_lock_init(a)
+ #define spin_lock(a)
+ #define spin_unlock(a)
 #endif
 
 #include <linux/wanrouter.h>
@@ -49,7 +101,7 @@
 #define	PACKED	__attribute__((packed))
 #endif
 
-#define	WANPIPE_MAGIC	0x414C4453L	/* signatire: 'SDLA' reversed */
+#define	WANPIPE_MAGIC	0x414C4453L	/* signature: 'SDLA' reversed */
 
 /* IOCTL numbers (up to 16) */
 #define	WANPIPE_DUMP	(ROUTER_USER+0)	/* dump adapter's memory */
@@ -64,6 +116,51 @@
 #define UDPMGMT_REPLY	0x02
 #define UDP_OFFSET	12
 
+#define MAX_CMD_BUFF 	10
+#define MAX_X25_LCN 	255	/* Maximum number of x25 channels */
+#define MAX_LCN_NUM	4095	/* Maximum lcn number */
+#define MAX_FT1_RETRY 	100
+
+#ifdef LINUX_2_4
+  #ifndef AF_WANPIPE
+	#define AF_WANPIPE 25
+	#ifndef PF_WANPIPE
+		#define PF_WANPIPE AF_WANPIPE
+	#endif
+  #endif
+
+#else
+  #ifndef AF_WANPIPE
+	#define AF_WANPIPE 24
+	#ifndef PF_WANPIPE
+		#define PF_WANPIPE AF_WANPIPE
+	#endif
+  #endif
+#endif
+
+
+#define TX_TIMEOUT 5*HZ
+
+/* General Critical Flags */
+#define SEND_CRIT	0x00
+#define PERI_CRIT	0x01
+
+/* Chdlc and PPP polling critical flag */
+#define POLL_CRIT	0x03
+
+/* Frame Relay Tx IRQ send critical flag */
+#define SEND_TXIRQ_CRIT 0x02
+
+/* Frame Relay ARP critical flag */
+#define ARP_CRIT	0x03
+
+/* Bit maps for dynamic interface configuration
+ * DYN_OPT_ON : turns this option on/off 
+ * DEV_DOWN   : device was shutdown by the driver not
+ *              by user 
+ */
+#define DYN_OPT_ON	0x00
+#define DEV_DOWN	0x01
 
 /*
  * Data structures for IOCTL calls.
@@ -197,6 +294,9 @@
 } pipe_mgmt_stat_t;
 
 
+typedef struct {
+	struct sk_buff *skb;
+} bh_data_t, cmd_data_t;
 
 #define MAX_LGTH_UDP_MGNT_PKT 2000
  
@@ -210,11 +310,27 @@
 #define	WUM_KILL	0x50
 #define	WUM_EXEC	0x51
 
+#define WANPIPE		0x00
+#define API		0x01
+#define BRIDGE		0x02
+#define BRIDGE_NODE	0x03
+
 #ifdef	__KERNEL__
 /****** Kernel Interface ****************************************************/
 
 #include <linux/sdladrv.h>	/* SDLA support module API definitions */
 #include <linux/sdlasfm.h>	/* SDLA firmware module definitions */
+#include <linux/tqueue.h>
+#ifdef LINUX_2_4
+  #include <linux/serial.h>
+  #include <linux/serialP.h>
+  #include <linux/serial_reg.h>
+  #include <asm/serial.h>
+#endif
+#include <linux/tty.h>
+#include <linux/tty_driver.h>
+#include <linux/tty_flip.h>
+
 
 #ifndef	min
 #define min(a,b) (((a)<(b))?(a):(b))
@@ -230,6 +346,7 @@
 	 	  ((ch)>=(unsigned)'a'&&(ch)<=(unsigned)'f')||\
 	 	  ((ch)>=(unsigned)'A'&&(ch)<=(unsigned)'F'))?1:0)
 
+
 /****** Data Structures *****************************************************/
 
 /* Adapter Data Space.
@@ -241,6 +358,7 @@
 	char devname[WAN_DRVNAME_SZ+1];	/* card name */
 	sdlahw_t hw;			/* hardware configuration */
 	wan_device_t wandev;		/* WAN device data space */
+	
 	unsigned open_cnt;		/* number of open interfaces */
 	unsigned long state_tick;	/* link state timestamp */
 	unsigned intr_mode;		/* Type of Interrupt Mode */
@@ -248,30 +366,71 @@
 	char buff_int_mode_unbusy;	/* flag for carrying out dev_tint */  
 	char dlci_int_mode_unbusy;	/* flag for carrying out dev_tint */
 	char configured;		/* flag for previous configurations */
+	
 	unsigned short irq_dis_if_send_count; /* Disabling irqs in if_send*/
 	unsigned short irq_dis_poll_count;   /* Disabling irqs in poll routine*/
 	unsigned short force_enable_irq;
 	char TracingEnabled;		/* flag for enabling trace */
 	global_stats_t statistics;	/* global statistics */
-#ifdef CONFIG_SMP
-	spinlock_t lock;                /* Support for SMP Locking */
-#endif
 	void* mbox;			/* -> mailbox */
 	void* rxmb;			/* -> receive mailbox */
 	void* flags;			/* -> adapter status flags */
 	void (*isr)(struct sdla* card);	/* interrupt service routine */
 	void (*poll)(struct sdla* card); /* polling routine */
 	int (*exec)(struct sdla* card, void* u_cmd, void* u_data);
-
-	struct sdla *next;		/* Secondary Port Device: Piggibacking */
+					/* Used by the listen() system call */		
+	/* Wanpipe Socket Interface */
+	int   (*func) (struct sk_buff *, struct sock *);
+	struct sock *sk;
+
+	/* Shutdown function */
+	void (*disable_comm) (struct sdla *card);
+
+	/* Secondary Port Device: Piggibacking */
+	struct sdla *next;
+
+	/* TTY driver variables */
+	unsigned char tty_opt;
+	struct tty_struct *tty;
+	unsigned int tty_minor;
+	unsigned int tty_open;
+	unsigned char *tty_buf;
+	unsigned char *tty_rx;
+	struct tq_struct tty_task_queue;
+	
 	union
 	{
 		struct
 		{			/****** X.25 specific data **********/
-			unsigned lo_pvc;
-			unsigned hi_pvc;
-			unsigned lo_svc;
-			unsigned hi_svc;
+			u32 lo_pvc;
+			u32 hi_pvc;
+			u32 lo_svc;
+			u32 hi_svc;
+			netdevice_t *svc_to_dev_map[MAX_X25_LCN];
+			netdevice_t *pvc_to_dev_map[MAX_X25_LCN];
+			netdevice_t *tx_dev;
+			netdevice_t *cmd_dev;
+			u32 no_dev;
+			volatile u8 *hdlc_buf_status;
+			u32 tx_interrupts_pending;
+                        u16 timer_int_enabled;
+			netdevice_t *poll_device;
+			atomic_t command_busy;
+
+			u16 udp_pkt_lgth;
+                        u32 udp_type;
+                        u8  udp_pkt_src;
+			u32 udp_lcn;
+                        netdevice_t * udp_dev;
+                        s8 udp_pkt_data[MAX_LGTH_UDP_MGNT_PKT];
+
+		 	u8 LAPB_hdlc;		/* Option to turn off X25 and run only LAPB */
+			u8 logging;		/* Option to log call messages */
+			u8 oob_on_modem;	/* Option to send modem status to the api */
+			u16 num_of_ch;		/* Number of channels configured by the user */
+
+			struct tq_struct x25_poll_task;
+			struct timer_list x25_timer;
 		} x;
 		struct
 		{			/****** frame relay specific data ***/
@@ -281,7 +440,7 @@
 			unsigned rx_top;	/* S508 receive buffer end */
 			unsigned short node_dlci[100];
 			unsigned short dlci_num;
-                        struct net_device *dlci_to_dev_map[991 + 1];
+                        netdevice_t *dlci_to_dev_map[991 + 1];
                         unsigned tx_interrupts_pending;
                         unsigned short timer_int_enabled;
                         unsigned short udp_pkt_lgth;
@@ -289,11 +448,13 @@
                         char udp_pkt_src;
                         unsigned udp_dlci;
                         char udp_pkt_data[MAX_LGTH_UDP_MGNT_PKT];
-                        void* trc_el_base;      /* first trace element */
-                        void* trc_el_last;      /* last trace element */
-                        void *curr_trc_el;      /* current trace element */
-                        unsigned short trc_bfr_space; /* trace buffer space */
+                        void* trc_el_base;      		/* first trace element */
+                        void* trc_el_last;      		/* last trace element */
+                        void *curr_trc_el;      		/* current trace element */
+                        unsigned short trc_bfr_space; 		/* trace buffer space */
 			unsigned char  update_comms_stats;
+			netdevice_t *arp_dev;
+			spinlock_t if_send_lock;
 		} f;
 		struct			/****** PPP-specific data ***********/
 		{
@@ -307,6 +468,10 @@
 			unsigned rx_top;	/* S508 receive buffer end */
 			char ip_mode;		/* STATIC/HOST/PEER IP Mode */
 			char authenticator;	/* Authenticator for PAP/CHAP */
+			unsigned char comm_enabled; /* Is comm enabled or not */
+			unsigned char peer_route;   /* Process Peer Route */	
+			unsigned long *txbuf_next;  /* Next Tx buffer to use */ 
+			unsigned long *rxbuf_next;  /* Next Rx buffer to use */
 		} p;
 		struct			/* Cisco HDLC-specific data */
 		{
@@ -324,6 +489,7 @@
 			void* rxbuf_last;	/* -> last Rx buffer */
 			unsigned rx_base;	/* S508 receive buffer base */
 			unsigned rx_top;	/* S508 receive buffer end */
+			unsigned char receive_only; /* high speed receivers */
 			unsigned short protocol_options;
 			unsigned short kpalv_tx;	/* Tx kpalv timer */
 			unsigned short kpalv_rx;	/* Rx kpalv timer */
@@ -332,6 +498,19 @@
 			unsigned state;			/* state of the link */
 			unsigned char api_status;
 			unsigned char update_call_count;
+			unsigned short api_options;	/* for async config */
+			unsigned char  async_mode;
+		        unsigned short tx_bits_per_char;
+		        unsigned short rx_bits_per_char;
+		        unsigned short stop_bits;
+		        unsigned short parity;
+			unsigned short break_timer;
+		        unsigned short inter_char_timer;
+		        unsigned short rx_complete_length;
+		        unsigned short xon_char;
+		        unsigned short xoff_char;
+			unsigned char comm_enabled; /* Is comm enabled or not */
+			unsigned char backup;
 		} c;
 		struct
 		{
@@ -368,6 +547,18 @@
 int bsc_init (sdla_t* card, wandev_conf_t* conf);	/* BSC streaming */
 int hdlc_init(sdla_t* card, wandev_conf_t* conf);	/* HDLC support */
 int wpft1_init (sdla_t* card, wandev_conf_t* conf);     /* FT1 Config support */
+int wsppp_init (sdla_t* card, wandev_conf_t* conf);	/* Sync PPP on top of RAW CHDLC */
+
+extern sdla_t * wanpipe_find_card(char *);
+extern sdla_t * wanpipe_find_card_num (int);
+
+extern void wanpipe_queue_tq (struct tq_struct *);
+extern void wanpipe_mark_bh (void);
+extern void wakeup_sk_bh (netdevice_t *);
+extern int change_dev_flags (netdevice_t *, unsigned); 
+extern unsigned long get_ip_address (netdevice_t *dev, int option);
+extern void add_gateway(sdla_t *, netdevice_t *);
+
 
 #endif	/* __KERNEL__ */
 #endif	/* _WANPIPE_H */