| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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| 2 | /* atmarp.h - ATM ARP protocol and kernel-demon interface definitions */ |
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| 3 | |
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| 4 | /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ |
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| 5 | |
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| 6 | |
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| 7 | #ifndef _LINUX_ATMARP_H |
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| 8 | #define _LINUX_ATMARP_H |
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| 9 | |
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| 10 | #include <linux/types.h> |
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| 11 | #include <linux/atmapi.h> |
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| 12 | #include <linux/atmioc.h> |
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| 13 | |
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| 14 | |
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| 15 | #define ATMARP_RETRY_DELAY 30 /* request next resolution or forget |
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| 16 | NAK after 30 sec - should go into |
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| 17 | atmclip.h */ |
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| 18 | #define ATMARP_MAX_UNRES_PACKETS 5 /* queue that many packets while |
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| 19 | waiting for the resolver */ |
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| 20 | |
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| 21 | |
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| 22 | #define ATMARPD_CTRL _IO('a',ATMIOC_CLIP+1) /* become atmarpd ctrl sock */ |
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| 23 | #define ATMARP_MKIP _IO('a',ATMIOC_CLIP+2) /* attach socket to IP */ |
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| 24 | #define ATMARP_SETENTRY _IO('a',ATMIOC_CLIP+3) /* fill or hide ARP entry */ |
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| 25 | #define ATMARP_ENCAP _IO('a',ATMIOC_CLIP+5) /* change encapsulation */ |
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| 26 | |
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| 27 | |
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| 28 | enum atmarp_ctrl_type { |
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| 29 | act_invalid, /* catch uninitialized structures */ |
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| 30 | act_need, /* need address resolution */ |
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| 31 | act_up, /* interface is coming up */ |
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| 32 | act_down, /* interface is going down */ |
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| 33 | act_change /* interface configuration has changed */ |
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| 34 | }; |
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| 35 | |
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| 36 | struct atmarp_ctrl { |
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| 37 | enum atmarp_ctrl_type type; /* message type */ |
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| 38 | int itf_num;/* interface number (if present) */ |
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| 39 | __be32 ip; /* IP address (act_need only) */ |
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| 40 | }; |
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| 41 | |
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| 42 | #endif |
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| 43 | |
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