2 * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
3 * James Leu (jleu@mindspring.net).
4 * Copyright (C) 2001 by various other people who didn't put their name here.
5 * Licensed under the GPL.
8 #include "linux/kernel.h"
9 #include "linux/init.h"
10 #include "linux/netdevice.h"
11 #include "linux/etherdevice.h"
21 void daemon_init(struct net_device
*dev
, void *data
)
23 struct uml_net_private
*pri
;
24 struct daemon_data
*dpri
;
25 struct daemon_init
*init
= data
;
28 dpri
= (struct daemon_data
*) pri
->user
;
29 dpri
->sock_type
= init
->sock_type
;
30 dpri
->ctl_sock
= init
->ctl_sock
;
35 printk("daemon backend (uml_switch version %d) - %s:%s",
36 SWITCH_VERSION
, dpri
->sock_type
, dpri
->ctl_sock
);
40 static int daemon_read(int fd
, struct sk_buff
**skb
,
41 struct uml_net_private
*lp
)
43 *skb
= ether_adjust_skb(*skb
, ETH_HEADER_OTHER
);
44 if(*skb
== NULL
) return(-ENOMEM
);
45 return(net_recvfrom(fd
, (*skb
)->mac
.raw
,
46 (*skb
)->dev
->mtu
+ ETH_HEADER_OTHER
));
49 static int daemon_write(int fd
, struct sk_buff
**skb
,
50 struct uml_net_private
*lp
)
52 return(daemon_user_write(fd
, (*skb
)->data
, (*skb
)->len
,
53 (struct daemon_data
*) &lp
->user
));
56 static struct net_kern_info daemon_kern_info
= {
58 .protocol
= eth_protocol
,
60 .write
= daemon_write
,
63 int daemon_setup(char *str
, char **mac_out
, void *data
)
65 struct daemon_init
*init
= data
;
68 *init
= ((struct daemon_init
)
69 { .sock_type
= "unix",
70 .ctl_sock
= "/tmp/uml.ctl" });
72 remain
= split_if_spec(str
, mac_out
, &init
->sock_type
, &init
->ctl_sock
,
75 printk(KERN_WARNING
"daemon_setup : Ignoring data socket "
81 static struct transport daemon_transport
= {
82 .list
= LIST_HEAD_INIT(daemon_transport
.list
),
84 .setup
= daemon_setup
,
85 .user
= &daemon_user_info
,
86 .kern
= &daemon_kern_info
,
87 .private_size
= sizeof(struct daemon_data
),
88 .setup_size
= sizeof(struct daemon_init
),
91 static int register_daemon(void)
93 register_transport(&daemon_transport
);
97 __initcall(register_daemon
);
100 * Overrides for Emacs so that we follow Linus's tabbing style.
101 * Emacs will notice this stuff at the end of the file and automatically
102 * adjust the settings for this buffer only. This must remain at the end
104 * ---------------------------------------------------------------------------
106 * c-file-style: "linux"