/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* atmarp.h - ATM ARP protocol and kernel-demon interface definitions */ /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ #ifndef _LINUX_ATMARP_H #define _LINUX_ATMARP_H #include #include #include #define ATMARP_RETRY_DELAY 30 /* request next resolution or forget NAK after 30 sec - should go into atmclip.h */ #define ATMARP_MAX_UNRES_PACKETS 5 /* queue that many packets while waiting for the resolver */ #define ATMARPD_CTRL _IO('a',ATMIOC_CLIP+1) /* become atmarpd ctrl sock */ #define ATMARP_MKIP _IO('a',ATMIOC_CLIP+2) /* attach socket to IP */ #define ATMARP_SETENTRY _IO('a',ATMIOC_CLIP+3) /* fill or hide ARP entry */ #define ATMARP_ENCAP _IO('a',ATMIOC_CLIP+5) /* change encapsulation */ enum atmarp_ctrl_type { act_invalid, /* catch uninitialized structures */ act_need, /* need address resolution */ act_up, /* interface is coming up */ act_down, /* interface is going down */ act_change /* interface configuration has changed */ }; struct atmarp_ctrl { enum atmarp_ctrl_type type; /* message type */ int itf_num;/* interface number (if present) */ __be32 ip; /* IP address (act_need only) */ }; #endif