59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* These are the public elements of the Linux LAPB module.
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*/
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#ifndef LAPB_KERNEL_H
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#define LAPB_KERNEL_H
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#define LAPB_OK 0
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#define LAPB_BADTOKEN 1
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#define LAPB_INVALUE 2
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#define LAPB_CONNECTED 3
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#define LAPB_NOTCONNECTED 4
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#define LAPB_REFUSED 5
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#define LAPB_TIMEDOUT 6
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#define LAPB_NOMEM 7
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#define LAPB_STANDARD 0x00
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#define LAPB_EXTENDED 0x01
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#define LAPB_SLP 0x00
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#define LAPB_MLP 0x02
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#define LAPB_DTE 0x00
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#define LAPB_DCE 0x04
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struct lapb_register_struct {
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void (*connect_confirmation)(struct net_device *dev, int reason);
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void (*connect_indication)(struct net_device *dev, int reason);
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void (*disconnect_confirmation)(struct net_device *dev, int reason);
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void (*disconnect_indication)(struct net_device *dev, int reason);
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int (*data_indication)(struct net_device *dev, struct sk_buff *skb);
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void (*data_transmit)(struct net_device *dev, struct sk_buff *skb);
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};
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struct lapb_parms_struct {
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unsigned int t1;
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unsigned int t1timer;
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unsigned int t2;
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unsigned int t2timer;
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unsigned int n2;
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unsigned int n2count;
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unsigned int window;
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unsigned int state;
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unsigned int mode;
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};
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extern int lapb_register(struct net_device *dev,
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const struct lapb_register_struct *callbacks);
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extern int lapb_unregister(struct net_device *dev);
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extern int lapb_getparms(struct net_device *dev, struct lapb_parms_struct *parms);
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extern int lapb_setparms(struct net_device *dev, struct lapb_parms_struct *parms);
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extern int lapb_connect_request(struct net_device *dev);
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extern int lapb_disconnect_request(struct net_device *dev);
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extern int lapb_data_request(struct net_device *dev, struct sk_buff *skb);
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extern int lapb_data_received(struct net_device *dev, struct sk_buff *skb);
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#endif
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