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 42