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Diffstat (limited to 'pfinet/linux-src/include/linux/wanpipe.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/wanpipe.h | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/wanpipe.h b/pfinet/linux-src/include/linux/wanpipe.h new file mode 100644 index 00000000..aa3cb84a --- /dev/null +++ b/pfinet/linux-src/include/linux/wanpipe.h @@ -0,0 +1,218 @@ +/***************************************************************************** +* wanpipe.h WANPIPE(tm) Multiprotocol WAN Link Driver. +* User-level API definitions. +* +* Author: Gene Kozin <genek@compuserve.com> +* Jaspreet Singh <jaspreet@sangoma.com> +* +* Copyright: (c) 1995-1997 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 26, 1997 Jaspreet Singh Added 'load_sharing' structure. Also added +* 'devs_struct','dev_to_devtint_next' to 'sdla_t' +* Nov 24, 1997 Jaspreet Singh Added 'irq_dis_if_send_count', +* 'irq_dis_poll_count' to 'sdla_t'. +* Nov 06, 1997 Jaspreet Singh Added a define called 'INTR_TEST_MODE' +* Oct 20, 1997 Jaspreet Singh Added 'buff_intr_mode_unbusy' and +* 'dlci_intr_mode_unbusy' to 'sdla_t' +* Oct 18, 1997 Jaspreet Singh Added structure to maintain global driver +* statistics. +* Jan 15, 1997 Gene Kozin Version 3.1.0 +* o added UDP management stuff +* Jan 02, 1997 Gene Kozin Version 3.0.0 +*****************************************************************************/ +#ifndef _WANPIPE_H +#define _WANPIPE_H + +#include <linux/wanrouter.h> + +/* Defines */ + +#ifndef PACKED +#define PACKED __attribute__((packed)) +#endif + +#define WANPIPE_MAGIC 0x414C4453L /* signatire: 'SDLA' reversed */ + +/* IOCTL numbers (up to 16) */ +#define WANPIPE_DUMP (ROUTER_USER+0) /* dump adapter's memory */ +#define WANPIPE_EXEC (ROUTER_USER+1) /* execute firmware command */ + +/* + * Data structures for IOCTL calls. + */ + +typedef struct sdla_dump /* WANPIPE_DUMP */ +{ + unsigned long magic; /* for verification */ + unsigned long offset; /* absolute adapter memory address */ + unsigned long length; /* block length */ + void* ptr; /* -> buffer */ +} sdla_dump_t; + +typedef struct sdla_exec /* WANPIPE_EXEC */ +{ + unsigned long magic; /* for verification */ + void* cmd; /* -> command structure */ + void* data; /* -> data buffer */ +} sdla_exec_t; + +/* UDP management stuff */ + +typedef struct wum_header +{ + unsigned char signature[8]; /* 00h: signature */ + unsigned char type; /* 08h: request/reply */ + unsigned char command; /* 09h: commnand */ + unsigned char reserved[6]; /* 0Ah: reserved */ +} wum_header_t; + +/************************************************************************* + Data Structure for global statistics +*************************************************************************/ + +typedef struct global_stats +{ + unsigned long isr_entry; + unsigned long isr_already_critical; + unsigned long isr_rx; + unsigned long isr_tx; + unsigned long isr_intr_test; + unsigned long isr_spurious; + unsigned long isr_enable_tx_int; + unsigned long rx_intr_corrupt_rx_bfr; + unsigned long rx_intr_on_orphaned_DLCI; + unsigned long rx_intr_dev_not_started; + unsigned long tx_intr_dev_not_started; + unsigned long poll_entry; + unsigned long poll_already_critical; + unsigned long poll_processed; + unsigned long poll_tbusy_bad_status; + unsigned long poll_host_disable_irq; + unsigned long poll_host_enable_irq; + +} global_stats_t; + +/* This structure is used for maitaining a circular linked list of all + * interfaces(devices) per card. It is used in the Interrupt Service routine + * for a transmit interrupt where the start of the loop to dev_tint all + * interfaces changes. + */ +typedef struct load_sharing +{ + struct device* dev_ptr; + struct load_sharing* next; +} load_sharing_t; + +/* This is used for interrupt testing */ +#define INTR_TEST_MODE 0x02 + +#define WUM_SIGNATURE_L 0x50495046 +#define WUM_SIGNATURE_H 0x444E3845 + +#define WUM_KILL 0x50 +#define WUM_EXEC 0x51 + +#ifdef __KERNEL__ +/****** Kernel Interface ****************************************************/ + +#include <linux/sdladrv.h> /* SDLA support module API definitions */ +#include <linux/sdlasfm.h> /* SDLA firmware module definitions */ + +#ifndef min +#define min(a,b) (((a)<(b))?(a):(b)) +#endif +#ifndef max +#define max(a,b) (((a)>(b))?(a):(b)) +#endif + +#define is_digit(ch) (((ch)>=(unsigned)'0'&&(ch)<=(unsigned)'9')?1:0) +#define is_alpha(ch) ((((ch)>=(unsigned)'a'&&(ch)<=(unsigned)'z')||\ + ((ch)>=(unsigned)'A'&&(ch)<=(unsigned)'Z'))?1:0) +#define is_hex_digit(ch) ((((ch)>=(unsigned)'0'&&(ch)<=(unsigned)'9')||\ + ((ch)>=(unsigned)'a'&&(ch)<=(unsigned)'f')||\ + ((ch)>=(unsigned)'A'&&(ch)<=(unsigned)'F'))?1:0) + +/****** Data Structures *****************************************************/ + +/* Adapter Data Space. + * This structure is needed because we handle multiple cards, otherwise + * static data would do it. + */ +typedef struct sdla +{ + 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 */ + char in_isr; /* interrupt-in-service flag */ + char buff_int_mode_unbusy; /* flag for carrying out dev_tint */ + char dlci_int_mode_unbusy; /* flag for carrying out dev_tint */ + unsigned short irq_dis_if_send_count; /* Disabling irqs in if_send*/ + unsigned short irq_dis_poll_count; /* Disabling irqs in poll routine*/ + global_stats_t statistics; /* global statistics */ + + /* The following is used as a pointer to the structure in our + circular linked list which changes the start of the loop for + dev_tint of all interfaces */ + + load_sharing_t* dev_to_devtint_next; + load_sharing_t* devs_struct; + + 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); + union + { + struct + { /****** X.25 specific data **********/ + unsigned lo_pvc; + unsigned hi_pvc; + unsigned lo_svc; + unsigned hi_svc; + } x; + struct + { /****** frame relay specific data ***/ + void* rxmb_base; /* -> first Rx buffer */ + void* rxmb_last; /* -> last Rx buffer */ + unsigned rx_base; /* S508 receive buffer base */ + unsigned rx_top; /* S508 receive buffer end */ + unsigned short node_dlci[100]; + unsigned short dlci_num; + } f; + struct /****** PPP-specific data ***********/ + { + char if_name[WAN_IFNAME_SZ+1]; /* interface name */ + void* txbuf; /* -> current Tx buffer */ + void* txbuf_base; /* -> first Tx buffer */ + void* txbuf_last; /* -> last Tx buffer */ + void* rxbuf_base; /* -> first Rx buffer */ + void* rxbuf_last; /* -> last Rx buffer */ + unsigned rx_base; /* S508 receive buffer base */ + unsigned rx_top; /* S508 receive buffer end */ + } p; + } u; +} sdla_t; + +/****** Public Functions ****************************************************/ + +void wanpipe_open (sdla_t* card); /* wpmain.c */ +void wanpipe_close (sdla_t* card); /* wpmain.c */ +void wanpipe_set_state (sdla_t* card, int state); /* wpmain.c */ + +int wpx_init (sdla_t* card, wandev_conf_t* conf); /* wpx.c */ +int wpf_init (sdla_t* card, wandev_conf_t* conf); /* wpf.c */ +int wpp_init (sdla_t* card, wandev_conf_t* conf); /* wpp.c */ + +#endif /* __KERNEL__ */ +#endif /* _WANPIPE_H */ + |