1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  *  Copyright (C) 1997 Martin Mares
4  *
5  *  Automatic IP Layer Configuration
6  */
7 
8 /* The following are initdata: */
9 
10 #include <linux/types.h>
11 
12 extern int ic_proto_enabled;	/* Protocols enabled (see IC_xxx) */
13 extern int ic_set_manually;	/* IPconfig parameters set manually */
14 
15 extern __be32 ic_myaddr;		/* My IP address */
16 extern __be32 ic_gateway;		/* Gateway IP address */
17 
18 extern __be32 ic_servaddr;		/* Boot server IP address */
19 
20 extern __be32 root_server_addr;	/* Address of NFS server */
21 extern u8 root_server_path[];	/* Path to mount as root */
22 
23 
24 /* bits in ic_proto_{enabled,used} */
25 #define IC_PROTO	0xFF	/* Protocols mask: */
26 #define IC_BOOTP	0x01	/*   BOOTP (or DHCP, see below) */
27 #define IC_RARP		0x02	/*   RARP */
28 #define IC_USE_DHCP    0x100	/* If on, use DHCP instead of BOOTP */
29