|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | /* | 
|  | *  Copyright (C) 1997 Martin Mares | 
|  | * | 
|  | *  Automatic IP Layer Configuration | 
|  | */ | 
|  |  | 
|  | /* The following are initdata: */ | 
|  |  | 
|  | extern int ic_proto_enabled;	/* Protocols enabled (see IC_xxx) */ | 
|  | extern int ic_set_manually;	/* IPconfig parameters set manually */ | 
|  |  | 
|  | extern __be32 ic_myaddr;		/* My IP address */ | 
|  | extern __be32 ic_gateway;		/* Gateway IP address */ | 
|  |  | 
|  | extern __be32 ic_servaddr;		/* Boot server IP address */ | 
|  |  | 
|  | extern __be32 root_server_addr;	/* Address of NFS server */ | 
|  | extern u8 root_server_path[];	/* Path to mount as root */ | 
|  |  | 
|  |  | 
|  | /* bits in ic_proto_{enabled,used} */ | 
|  | #define IC_PROTO	0xFF	/* Protocols mask: */ | 
|  | #define IC_BOOTP	0x01	/*   BOOTP (or DHCP, see below) */ | 
|  | #define IC_RARP		0x02	/*   RARP */ | 
|  | #define IC_USE_DHCP    0x100	/* If on, use DHCP instead of BOOTP */ |