mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 04:34:11 +08:00
dbddf429dc
Convert files to use SPDX header. All files are licensed under the GPLv2. Signed-off-by: Alex Dewar <alex.dewar@gmx.co.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
114 lines
2.5 KiB
C
114 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/netdevice.h>
|
|
#include <net_kern.h>
|
|
#include "pcap_user.h"
|
|
|
|
struct pcap_init {
|
|
char *host_if;
|
|
int promisc;
|
|
int optimize;
|
|
char *filter;
|
|
};
|
|
|
|
void pcap_init(struct net_device *dev, void *data)
|
|
{
|
|
struct uml_net_private *pri;
|
|
struct pcap_data *ppri;
|
|
struct pcap_init *init = data;
|
|
|
|
pri = netdev_priv(dev);
|
|
ppri = (struct pcap_data *) pri->user;
|
|
ppri->host_if = init->host_if;
|
|
ppri->promisc = init->promisc;
|
|
ppri->optimize = init->optimize;
|
|
ppri->filter = init->filter;
|
|
|
|
printk("pcap backend, host interface %s\n", ppri->host_if);
|
|
}
|
|
|
|
static int pcap_read(int fd, struct sk_buff *skb, struct uml_net_private *lp)
|
|
{
|
|
return pcap_user_read(fd, skb_mac_header(skb),
|
|
skb->dev->mtu + ETH_HEADER_OTHER,
|
|
(struct pcap_data *) &lp->user);
|
|
}
|
|
|
|
static int pcap_write(int fd, struct sk_buff *skb, struct uml_net_private *lp)
|
|
{
|
|
return -EPERM;
|
|
}
|
|
|
|
static const struct net_kern_info pcap_kern_info = {
|
|
.init = pcap_init,
|
|
.protocol = eth_protocol,
|
|
.read = pcap_read,
|
|
.write = pcap_write,
|
|
};
|
|
|
|
int pcap_setup(char *str, char **mac_out, void *data)
|
|
{
|
|
struct pcap_init *init = data;
|
|
char *remain, *host_if = NULL, *options[2] = { NULL, NULL };
|
|
int i;
|
|
|
|
*init = ((struct pcap_init)
|
|
{ .host_if = "eth0",
|
|
.promisc = 1,
|
|
.optimize = 0,
|
|
.filter = NULL });
|
|
|
|
remain = split_if_spec(str, &host_if, &init->filter,
|
|
&options[0], &options[1], mac_out, NULL);
|
|
if (remain != NULL) {
|
|
printk(KERN_ERR "pcap_setup - Extra garbage on "
|
|
"specification : '%s'\n", remain);
|
|
return 0;
|
|
}
|
|
|
|
if (host_if != NULL)
|
|
init->host_if = host_if;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(options); i++) {
|
|
if (options[i] == NULL)
|
|
continue;
|
|
if (!strcmp(options[i], "promisc"))
|
|
init->promisc = 1;
|
|
else if (!strcmp(options[i], "nopromisc"))
|
|
init->promisc = 0;
|
|
else if (!strcmp(options[i], "optimize"))
|
|
init->optimize = 1;
|
|
else if (!strcmp(options[i], "nooptimize"))
|
|
init->optimize = 0;
|
|
else {
|
|
printk(KERN_ERR "pcap_setup : bad option - '%s'\n",
|
|
options[i]);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static struct transport pcap_transport = {
|
|
.list = LIST_HEAD_INIT(pcap_transport.list),
|
|
.name = "pcap",
|
|
.setup = pcap_setup,
|
|
.user = &pcap_user_info,
|
|
.kern = &pcap_kern_info,
|
|
.private_size = sizeof(struct pcap_data),
|
|
.setup_size = sizeof(struct pcap_init),
|
|
};
|
|
|
|
static int register_pcap(void)
|
|
{
|
|
register_transport(&pcap_transport);
|
|
return 0;
|
|
}
|
|
|
|
late_initcall(register_pcap);
|