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Diffstat (limited to 'include/linux/wanpipe.h')
| -rw-r--r-- | include/linux/wanpipe.h | 492 |
1 files changed, 492 insertions, 0 deletions
diff --git a/include/linux/wanpipe.h b/include/linux/wanpipe.h new file mode 100644 index 00000000000..167d956c492 --- /dev/null +++ b/include/linux/wanpipe.h @@ -0,0 +1,492 @@ +/***************************************************************************** +* wanpipe.h WANPIPE(tm) Multiprotocol WAN Link Driver. +* User-level API definitions. +* +* Author: Nenad Corbic <ncorbic@sangoma.com> +* Gideon Hack +* +* 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 +* Jun 26, 1998 David Fong Added 'ip_mode' in sdla_t.u.p for dynamic IP +* routing mode configuration +* Jun 12, 1998 David Fong Added Cisco HDLC union member in sdla_t +* Dec 08, 1997 Jaspreet Singh Added 'authenticator' in union of 'sdla_t' +* 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 /* signature: '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 */ + +#define TRACE_ALL 0x00 +#define TRACE_PROT 0x01 +#define TRACE_DATA 0x02 + +/* values for request/reply byte */ +#define UDPMGMT_REQUEST 0x01 +#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 + +#ifndef AF_WANPIPE + #define AF_WANPIPE 25 + #ifndef PF_WANPIPE + #define PF_WANPIPE AF_WANPIPE + #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. + */ + +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; + + +typedef struct{ + unsigned short udp_src_port PACKED; + unsigned short udp_dst_port PACKED; + unsigned short udp_length PACKED; + unsigned short udp_checksum PACKED; +} udp_pkt_t; + + +typedef struct { + unsigned char ver_inet_hdr_length PACKED; + unsigned char service_type PACKED; + unsigned short total_length PACKED; + unsigned short identifier PACKED; + unsigned short flags_frag_offset PACKED; + unsigned char ttl PACKED; + unsigned char protocol PACKED; + unsigned short hdr_checksum PACKED; + unsigned long ip_src_address PACKED; + unsigned long ip_dst_address PACKED; +} ip_pkt_t; + + +typedef struct { + unsigned char signature[8] PACKED; + unsigned char request_reply PACKED; + unsigned char id PACKED; + unsigned char reserved[6] PACKED; +} wp_mgmt_t; + +/************************************************************************* + Data Structure for if_send statistics +*************************************************************************/ +typedef struct if_send_stat{ + unsigned long if_send_entry; + unsigned long if_send_skb_null; + unsigned long if_send_broadcast; + unsigned long if_send_multicast; + unsigned long if_send_critical_ISR; + unsigned long if_send_critical_non_ISR; + unsigned long if_send_tbusy; + unsigned long if_send_tbusy_timeout; + unsigned long if_send_PIPE_request; + unsigned long if_send_wan_disconnected; + unsigned long if_send_dlci_disconnected; + unsigned long if_send_no_bfrs; + unsigned long if_send_adptr_bfrs_full; + unsigned long if_send_bfr_passed_to_adptr; + unsigned long if_send_protocol_error; + unsigned long if_send_bfr_not_passed_to_adptr; + unsigned long if_send_tx_int_enabled; + unsigned long if_send_consec_send_fail; +} if_send_stat_t; + +typedef struct rx_intr_stat{ + unsigned long rx_intr_no_socket; + unsigned long rx_intr_dev_not_started; + unsigned long rx_intr_PIPE_request; + unsigned long rx_intr_bfr_not_passed_to_stack; + unsigned long rx_intr_bfr_passed_to_stack; +} rx_intr_stat_t; + +typedef struct pipe_mgmt_stat{ + unsigned long UDP_PIPE_mgmt_kmalloc_err; + unsigned long UDP_PIPE_mgmt_direction_err; + unsigned long UDP_PIPE_mgmt_adptr_type_err; + unsigned long UDP_PIPE_mgmt_adptr_cmnd_OK; + unsigned long UDP_PIPE_mgmt_adptr_cmnd_timeout; + unsigned long UDP_PIPE_mgmt_adptr_send_passed; + unsigned long UDP_PIPE_mgmt_adptr_send_failed; + unsigned long UDP_PIPE_mgmt_not_passed_to_stack; + unsigned long UDP_PIPE_mgmt_passed_to_stack; + unsigned long UDP_PIPE_mgmt_no_socket; + unsigned long UDP_PIPE_mgmt_passed_to_adptr; +} pipe_mgmt_stat_t; + + +typedef struct { + struct sk_buff *skb; +} bh_data_t, cmd_data_t; + +#define MAX_LGTH_UDP_MGNT_PKT 2000 + + +/* 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 + +#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/workqueue.h> +#include <linux/serial.h> +#include <linux/serialP.h> +#include <linux/serial_reg.h> +#include <asm/serial.h> +#include <linux/tty.h> +#include <linux/tty_driver.h> +#include <linux/tty_flip.h> + + +#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 */ + struct wan_device 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 */ + long 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 */ + 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); + /* 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 work_struct tty_work; + + union + { + struct + { /****** X.25 specific data **********/ + u32 lo_pvc; + u32 hi_pvc; + u32 lo_svc; + u32 hi_svc; + struct net_device *svc_to_dev_map[MAX_X25_LCN]; + struct net_device *pvc_to_dev_map[MAX_X25_LCN]; + struct net_device *tx_dev; + struct net_device *cmd_dev; + u32 no_dev; + volatile u8 *hdlc_buf_status; + u32 tx_interrupts_pending; + u16 timer_int_enabled; + struct net_device *poll_device; + atomic_t command_busy; + + u16 udp_pkt_lgth; + u32 udp_type; + u8 udp_pkt_src; + u32 udp_lcn; + struct net_device *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 work_struct x25_poll_work; + struct timer_list x25_timer; + } 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; + struct net_device *dlci_to_dev_map[991 + 1]; + unsigned tx_interrupts_pending; + unsigned short timer_int_enabled; + unsigned short udp_pkt_lgth; + int udp_type; + 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 */ + unsigned char update_comms_stats; + struct net_device *arp_dev; + spinlock_t if_send_lock; + } 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 */ + 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 */ + { + char if_name[WAN_IFNAME_SZ+1]; /* interface name */ + unsigned char comm_port;/* Communication Port O or 1 */ + unsigned char usedby; /* Used by WANPIPE or API */ + void* rxmb; /* Receive mail box */ + void* flags; /* flags */ + void* tx_status; /* Tx status element */ + void* rx_status; /* Rx status element */ + 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 */ + 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 */ + unsigned short kpalv_err; /* Error tolerance */ + unsigned short slarp_timer; /* SLARP req timer */ + 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 + { + void* tx_status; /* Tx status element */ + void* rx_status; /* Rx status element */ + void* trace_status; /* Trace status element */ + 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 */ + void* tracebuf; /* -> current Trace buffer */ + void* tracebuf_base; /* -> current Trace buffer */ + void* tracebuf_last; /* -> current Trace buffer */ + unsigned rx_base; /* receive buffer base */ + unsigned rx_end; /* receive buffer end */ + unsigned trace_base; /* trace buffer base */ + unsigned trace_end; /* trace buffer end */ + + } h; + } 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 */ +int wpc_init (sdla_t* card, wandev_conf_t* conf); /* Cisco HDLC */ +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_work (struct work_struct *); +extern void wanpipe_mark_bh (void); +extern void wakeup_sk_bh(struct net_device *dev); +extern int change_dev_flags(struct net_device *dev, unsigned flags); +extern unsigned long get_ip_address(struct net_device *dev, int option); +extern void add_gateway(sdla_t *card, struct net_device *dev); + + +#endif /* __KERNEL__ */ +#endif /* _WANPIPE_H */ + |