include/linux/atmarp.h

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