need the lapd_addr struct for the netdev stuff
This commit is contained in:
Chrisian Richter
parent
c684d5e96d
commit
790b0fb2e8
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/*
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* vISDN LAPD/q.921 protocol implementation
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*
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* Copyright (C) 2004-2006 Daniele Orlandi
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*
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* Authors: Daniele "Vihai" Orlandi <daniele@orlandi.com>
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*
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* This program is free software and may be modified and distributed
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* under the terms and conditions of the GNU General Public License.
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*
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*/
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#ifndef _LAPD_H
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#define _LAPD_H
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#include <linux/types.h>
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#ifdef __KERNEL__
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#include <linux/socket.h>
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#else
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#include <sys/socket.h>
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#endif
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#ifndef ARPHRD_LAPD
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#define ARPHRD_LAPD 8445
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#endif
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#ifndef ETH_P_LAPD
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#define ETH_P_LAPD 0x0030 /* LAPD pseudo type */
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#endif
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#ifndef AF_LAPD
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#define AF_LAPD 30
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#endif
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#ifndef PF_LAPD
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#define PF_LAPD AF_LAPD
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#endif
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#ifndef SOL_LAPD
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#define SOL_LAPD 300
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#endif
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#define LAPD_SAPI_Q931 0x00
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#define LAPD_SAPI_X25 0x0f
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#define LAPD_SAPI_MGMT 0x10
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#define LAPD_BROADCAST_TEI 127
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#define LAPD_DYNAMIC_TEI 255
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#define LAPD_DEV_IOC_ACTIVATE _IOR(0xd0, 0x00, unsigned int)
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#define LAPD_DEV_IOC_DEACTIVATE _IOR(0xd0, 0x01, unsigned int)
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enum
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{
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LAPD_INTF_TYPE = 0,
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LAPD_INTF_MODE = 1,
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LAPD_INTF_ROLE = 2,
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LAPD_TEI = 3,
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LAPD_SAPI = 4,
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LAPD_TEI_MGMT_STATUS = 5,
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LAPD_TEI_MGMT_T201 = 6,
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LAPD_TEI_MGMT_N202 = 7,
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LAPD_TEI_MGMT_T202 = 8,
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LAPD_DLC_STATE = 9,
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LAPD_T200 = 10,
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LAPD_N200 = 11,
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LAPD_T203 = 12,
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LAPD_N201 = 13,
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LAPD_K = 14,
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};
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enum lapd_intf_type
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{
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LAPD_INTF_TYPE_BRA = 0,
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LAPD_INTF_TYPE_PRA = 1,
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};
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enum lapd_intf_mode
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{
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LAPD_INTF_MODE_POINT_TO_POINT = 0,
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LAPD_INTF_MODE_MULTIPOINT = 1
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};
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enum lapd_intf_role
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{
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LAPD_INTF_ROLE_TE = 0,
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LAPD_INTF_ROLE_NT = 1
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};
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struct sockaddr_lapd
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{
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sa_family_t sal_family;
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__u8 sal_tei;
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};
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enum lapd_primitive_type
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{
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LAPD_PH_DATA_REQUEST = 1,
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LAPD_PH_DATA_INDICATION,
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LAPD_PH_ACTIVATE_INDICATION,
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LAPD_PH_DEACTIVATE_INDICATION,
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LAPD_PH_ACTIVATE_REQUEST,
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LAPD_MPH_ERROR_INDICATION,
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LAPD_MPH_ACTIVATE_INDICATION,
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LAPD_MPH_DEACTIVATE_INDICATION,
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LAPD_MPH_DEACTIVATE_REQUEST,
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LAPD_MPH_INFORMATION_INDICATION,
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};
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enum lapd_mph_information_indication
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{
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LAPD_MPH_II_CONNECTED,
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LAPD_MPH_II_DISCONNECTED,
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};
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struct lapd_prim_hdr
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{
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__u8 primitive_type;
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__u8 reserved[3];
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};
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struct lapd_ctrl_hdr
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{
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__u8 param;
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};
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#ifdef __KERNEL__
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#include <asm/atomic.h>
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#include <linux/types.h>
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#include <linux/netdevice.h>
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#include <linux/version.h>
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#include <net/sock.h>
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#define lapd_MODULE_NAME "lapd"
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#define LAPD_HASHBITS 8
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#define LAPD_HASHSIZE ((1 << LAPD_HASHBITS) - 1)
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#define LAPD_SK_STATE_NULL TCP_LAST_ACK
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#define LAPD_SK_STATE_LISTEN TCP_LISTEN
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#define LAPD_SK_STATE_NORMAL_DLC TCP_ESTABLISHED
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#define LAPD_SK_STATE_NORMAL_DLC_CLOSING TCP_CLOSING
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#define LAPD_SK_STATE_BROADCAST_DLC TCP_SYN_SENT
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#define LAPD_SK_STATE_MGMT TCP_SYN_RECV
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#define LAPD_SK_STATE_CLOSE TCP_CLOSE
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#ifdef DEBUG_CODE
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#define lapd_debug(format, arg...) \
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printk(KERN_DEBUG \
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"lapd: " \
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format, \
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## arg)
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#define lapd_debug_ls(ls, format, arg...) \
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SOCK_DEBUG(&ls->sk, \
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"lapd: " \
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"%s " \
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format, \
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(ls)->dev ? (ls)->dev->dev->name : "", \
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## arg)
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#else
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#define lapd_debug(ls, format, arg...) do { } while (0)
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#define lapd_debug_ls(ls, format, arg...) do { } while (0)
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#define lapd_debug_dev(ls, format, arg...) do { } while (0)
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#endif
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#define lapd_msg(lvl, format, arg...) \
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printk(lvl "lapd: " \
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format, \
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## arg)
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#define lapd_msg_ls(ls, lvl, format, arg...) \
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printk(lvl "lapd: " \
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"%s: " \
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format, \
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(ls)->dev ? (ls)->dev->dev->name : "", \
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## arg)
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extern struct hlist_head lapd_hash[LAPD_HASHSIZE];
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extern rwlock_t lapd_hash_lock;
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// Do not changes these values, user mode binary compatibility needs them
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enum lapd_datalink_state
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{
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LAPD_DLS_NULL = 0,
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LAPD_DLS_1_TEI_UNASSIGNED = 1,
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LAPD_DLS_2_AWAITING_TEI = 2,
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LAPD_DLS_3_ESTABLISH_AWAITING_TEI = 3,
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LAPD_DLS_4_TEI_ASSIGNED = 4,
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LAPD_DLS_5_AWAITING_ESTABLISH = 5,
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LAPD_DLS_6_AWAITING_RELEASE = 6,
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LAPD_DLS_7_LINK_CONNECTION_ESTABLISHED = 7,
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LAPD_DLS_8_TIMER_RECOVERY = 8,
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LAPD_DLS_LISTENING = 0xFF,
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};
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enum lapd_mdl_error_indications
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{
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LAPD_MDL_ERROR_INDICATION_A = (1 << 0),
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LAPD_MDL_ERROR_INDICATION_B = (1 << 1),
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LAPD_MDL_ERROR_INDICATION_C = (1 << 2),
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LAPD_MDL_ERROR_INDICATION_D = (1 << 3),
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LAPD_MDL_ERROR_INDICATION_E = (1 << 4),
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LAPD_MDL_ERROR_INDICATION_F = (1 << 5),
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LAPD_MDL_ERROR_INDICATION_G = (1 << 6),
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LAPD_MDL_ERROR_INDICATION_H = (1 << 7),
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LAPD_MDL_ERROR_INDICATION_I = (1 << 8),
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LAPD_MDL_ERROR_INDICATION_J = (1 << 9),
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LAPD_MDL_ERROR_INDICATION_K = (1 << 10),
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LAPD_MDL_ERROR_INDICATION_L = (1 << 11),
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LAPD_MDL_ERROR_INDICATION_M = (1 << 12),
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LAPD_MDL_ERROR_INDICATION_N = (1 << 13),
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LAPD_MDL_ERROR_INDICATION_O = (1 << 14),
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};
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enum lapd_format_errors
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{
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LAPD_FE_LENGTH,
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LAPD_FE_N201,
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LAPD_FE_UNDEFINED_COMMAND,
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LAPD_FE_I_FIELD_NOT_PERMITTED,
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};
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struct lapd_sap
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{
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atomic_t refcnt;
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// SAP parameters
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int k;
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int N200;
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int N201;
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int T200;
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int T203;
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};
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//#include "device.h"
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struct lapd_new_dlc
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{
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struct hlist_node node;
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struct lapd_sock *lapd_sock;
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};
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static inline struct lapd_sap *lapd_sap_alloc(void)
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{
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return kmalloc(sizeof(struct lapd_sap), GFP_ATOMIC);
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}
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static inline void lapd_sap_hold(
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struct lapd_sap *entity)
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{
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atomic_inc(&entity->refcnt);
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}
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static inline void lapd_sap_put(
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struct lapd_sap *entity)
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{
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if (atomic_dec_and_test(&entity->refcnt))
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kfree(entity);
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}
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struct lapd_sock
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{
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struct sock sk;
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struct lapd_device *dev;
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struct sk_buff_head u_queue;
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int retrans_cnt;
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struct timer_list timer_T200;
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struct timer_list timer_T203;
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u8 v_s;
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u8 v_r;
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u8 v_a;
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enum lapd_datalink_state state;
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int peer_receiver_busy;
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int own_receiver_busy;
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int reject_exception;
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int acknowledge_pending;
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int layer_3_initiated;
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// ------------------
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struct lapd_sap *sap;
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struct lapd_utme *usr_tme;
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int tei;
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int sapi;
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struct hlist_head new_dlcs;
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};
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#define to_lapd_sock(obj) container_of(obj, struct lapd_sock, sk)
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enum lapd_dl_primitive_type
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{
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LAPD_DL_RELEASE_INDICATION,
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LAPD_DL_RELEASE_CONFIRM,
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LAPD_DL_ESTABLISH_INDICATION,
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LAPD_DL_ESTABLISH_CONFIRM,
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};
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struct lapd_dl_primitive
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{
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enum lapd_dl_primitive_type type;
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int param;
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};
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struct lapd_sock *lapd_new_sock(
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struct lapd_sock *parent_lapd_sock,
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u8 tei, int sapi);
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void lapd_mdl_error_indication(
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struct lapd_sock *lapd_sock,
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unsigned long indication);
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void lapd_dl_primitive(
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struct lapd_sock *lapd_sock,
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enum lapd_dl_primitive_type type,
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int param);
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int lapd_dl_unit_data_indication(
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struct lapd_sock *lapd_sock,
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struct sk_buff *skb);
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void lapd_dl_data_indication(
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struct lapd_sock *lapd_sock,
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struct sk_buff *skb);
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#endif
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#endif
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